CN103543503B - A kind of optical devices with monolithic optical module based on total internal reflection surface - Google Patents
A kind of optical devices with monolithic optical module based on total internal reflection surface Download PDFInfo
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- CN103543503B CN103543503B CN201210289095.4A CN201210289095A CN103543503B CN 103543503 B CN103543503 B CN 103543503B CN 201210289095 A CN201210289095 A CN 201210289095A CN 103543503 B CN103543503 B CN 103543503B
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Abstract
There are optical devices for the monolithic optical module based on total internal reflection surface, in order to the input beam of a branch of or more bundle is separated at least two bundle output beams.Its principal character shows that the input beam of a branch of or more bundle is separated through at least two pieces of total internal reflection surface in monomer optical coupler module.Light separation rate between the output beam of two bundles or more bundle can carry out presetting according at least one physical characteristics of the total internal reflection surface of two pieces or more blocks.
Description
Technical field
The present invention relates to a kind of optical devices and assembly thereof, particularly relate to a kind of optical devices with light disjoint paths.
Background technology
Current vertical-cavity surface-emitting body laser (vertical-cavitysurface-emittinglasers, VCSEL), the glass reflector tilted is used to the light part of launching to reflex to is located at the other device for testing light (monitorphotodetector, MPD) of VCSEL.As shown in Figure 1, the VCSEL assembly of its display comprises transistor outer seat (transistoroutline), the transistor enclosing cover with light separation of glasses, pipe shaft and camera lens etc., and described described assembly makes complex structure and cost intensive.
US Patent No. 6,888,988 propose a kind of monomer all-polymer module.As shown in Figure 2, separated light is separated described module realizes light separation function by the clearance in polymkeric substance, to simplify encapsulation process and to reduce costs.But, because of when the surface reflection that light transmission tilts, different from transverse magnetic wave light reflectance for transverse electric wave, therefore separation rate cannot simply adjust.
Therefore, a kind of can providing is needed to realize separation rate adjustment easily, simplify package program, reduce component count and save the optical devices of assembly cost.
Summary of the invention
Subject application is the U.S. Patent application the 13/211st in application, and No. 028, the applying date is on August 16th, 2011, and denomination of invention is the partial continuous case of the application case of " the monomer optical coupler module based on total internal reflection surface ".Described 13/211st, No. 028 patent application claims U.S. Patent application the 61/462nd, No. 334, the applying date is on February 1st, 2011, and denomination of invention is the right of priority of the application case of " the monomer optical coupler modules based on two adjacent total internal reflection surface ".Above-mentioned two pieces patent application case is incited somebody to action and reference in this case.The enforcement kenel that the present invention discloses to allow the adjustment of light separation rate be implemented easily.
Implement kenel according to one of the present invention and be to provide a kind of optical devices, comprise monolithic optical module, described monolithic optical module comprises the first first type surface, second first type surface, first total internal reflection surface, and adjacent to the second total internal reflection surface of described first total internal reflection surface, the outside surface (exteriorsurface) of described first total internal reflection surface and the outside surface of described second total internal reflection surface form recess V-shaped haply in described monolithic optical module, when at least a branch of first input beam enters described monolithic optical module from the position of the recess aiming at described V-type by described first first type surface, the Part I of at least a branch of the first described input beam is through described first total internal reflection surface reflection, advance with first direction as at least a branch of first light beam, and can be used as the first output beam of a branch of or more bundle, described monolithic optical module is left by described second first type surface, in addition, the Part II of at least a branch of the first described input beam is through described second total internal reflection surface reflection, advance with second direction as at least a branch of second light beam.
In an embodiment, the beam separation rate of described monolithic optical module presets according at least one physical characteristics of at least one in described first total internal reflection surface and described second total internal reflection surface.
In an embodiment, at least one physical characteristics described comprises profile and the direction of described first total internal reflection surface or described second total internal reflection surface.
In an embodiment, described monolithic optical module is made up of polymkeric substance.
In an embodiment, described optical devices also can comprise at least one light source of the recess aiming at described V-type, and light source described in each launches each the first described input beam, and enters described monolithic optical module by described first first type surface.Described optical devices also can comprise at least one first optical fiber, first optical fiber described in each can be configured to make the first output beam when described a branch of or more bundle, when leaving described monolithic optical module by described second first type surface, be optically coupled to each described first output beam.Described optical devices also can comprise a plurality of first collimation lens, and the first collimation lens described in each can be configured to make to enter described monolithic optical module when described at least a branch of first input beam, collimates each described first input beam.Described optical devices also can comprise a plurality of second collimation lens, and described in each, the second collimation lens set is formed, and when the first output beam of described a branch of or more bundle leaves described monolithic optical module, collimate each the first output beam.
In an embodiment, described optical devices also can comprise the 3rd total internal reflection surface being adjacent to described second total internal reflection surface, described second total internal reflection surface is between described first total internal reflection surface and described 3rd total internal reflection surface, described 3rd total internal reflection surface can be configured to reflect at least a branch of the second described light beam, the second output beam as a branch of or more bundle is advanced with third direction, leaves described monolithic optical module by described first first type surface.Described optical devices also can comprise at least one first device for testing light, first device for testing light described in each can be configured to, when the second output beam of described a branch of or more bundle leaves described monolithic optical module by described first first type surface, detect each described second output beam.Described optical devices also can comprise a plurality of 3rd collimation lens, and the 3rd collimation lens described in each can be configured to make, when the second output beam of described a branch of or more bundle leaves described monolithic optical module, collimate each described second output beam.
In an embodiment, described optical devices also can comprise the 4th total internal reflection surface between described second total internal reflection surface and described 3rd total internal reflection surface, described 4th total internal reflection surface can be configured to the Part I of the second light beam of reflects one or more bundle, accordingly, the Part I of the second light beam of described a branch of or more bundle, the 3rd output beam as a branch of or more bundle is advanced with fourth direction, leaves described monolithic optical module by described first first type surface.Described optical devices also can comprise at least one second device for testing light, second device for testing light described in each can be configured to make, when the 3rd output beam of described a branch of or more bundle leaves described monolithic optical module by described first first type surface, detect each described 3rd output beam.Described optical devices also can comprise a plurality of 4th collimation lens, and the 4th collimation lens described in each can be configured to make, when the 3rd output beam of described a branch of or more bundle leaves described monolithic optical module, collimate each described 3rd output beam.
In an embodiment, described optical devices also can comprise at least one second optical fiber, it is coupled to described monolithic optical module, in order at least a branch of second input beam is inputed to described monolithic optical module, accordingly, described at least a branch of second input beam enters described monolithic optical module by the second described first type surface, and through described first total internal reflection surface reflection, the 4th output beam as a branch of or more bundle is advanced with the 5th direction.Described optical devices also can comprise at least one device for testing light, device for testing light described in each can be configured to make, when the 4th output beam of described a branch of or more bundle leaves described monolithic optical module by described first first type surface, detect each described 4th output beam.Described optical devices also can comprise a plurality of 5th collimation lens, and the 5th collimation lens described in each can be configured to make, when described at least a branch of second input beam enters described monolithic optical module, to collimate each described second input beam.Described optical devices also can comprise a plurality of 6th collimation lens, and the 6th collimation lens described in each is arranged so that, when the 4th output beam of described a branch of or more bundle leaves described monolithic optical module, to collimate each described 4th output beam.
According to another kind of kenel of the present invention, provide a kind of optical devices, can comprise monolithic optical module, described monolithic optical module comprises the first first type surface; Second first type surface; First total internal reflection surface; Adjacent to described first total internal reflection surface second total internal reflection surface; And adjacent to the 3rd total internal reflection surface of described second total internal reflection surface, accordingly, described second total internal reflection surface is between described first total internal reflection surface and described 3rd total internal reflection surface.The outside surface of described first total internal reflection surface and the outside surface of described second total internal reflection surface form recess V-shaped haply in described monolithic optical module.When at least a branch of first input beam enters described monolithic optical module from the position of the recess aiming at described V-type by described first first type surface, the Part I of described at least a branch of first input beam is through described first total internal reflection surface reflection, the first light beam as a branch of or more bundle is advanced with first direction, and as the first output beam of a branch of or more bundle, leave described monolithic optical module by described second first type surface.The Part II of described at least a branch of first input beam is through described second total internal reflection surface reflection, and the second light beam as a branch of or more bundle is advanced with second direction.Second light beam of described a branch of or more bundle of advancing with second direction, reflect through the 3rd described total internal reflection surface and advance with third direction, and as the second output beam of a branch of or more bundle, leave described monolithic optical module by described first first type surface.
In an embodiment, the bundle separation rate of described monolithic optical module presets according at least one physical characteristics of at least one in described first total internal reflection surface and described second total internal reflection surface.At least one physical characteristics described comprises profile and the direction of described first total internal reflection surface or described second total internal reflection surface.
In an embodiment, described monolithic optical module is made up of polymkeric substance.
In an embodiment, described optical devices also can comprise at least one light source of the recess aiming at described V-type, and light source described in each launches each described first input beam, and enters described monolithic optical module by described first first type surface.Described optical devices also can comprise at least one first optical fiber, first optical fiber described in each can be configured to make the first output beam when described a branch of or more bundle, when leaving described monolithic optical module by described second first type surface, be optically coupled to each described first output beam.Described optical devices also can comprise at least one first device for testing light, first device for testing light described in each can be configured to make, when the second output beam of described a branch of or more bundle leaves described monolithic optical module by described first first type surface, detect each described second output beam.Described optical devices also can comprise a plurality of first collimation lens, and the first collimation lens described in each can be configured to make to enter described monolithic optical module when described at least a branch of first input beam, collimates each described first input beam.Described optical devices also can comprise a plurality of second collimation lens, and the second collimation lens described in each can be configured to make, when the first output beam of described a branch of or more bundle leaves described monolithic optical module, collimate each the first output beam.Described optical devices also can comprise a plurality of 3rd collimation lens, and the 3rd collimation lens described in each can be configured to make, when the second output beam of described a branch of or more bundle leaves described monolithic optical module, collimate each described second output beam.
In an embodiment, described optical devices also can comprise the 4th total internal reflection surface between described second total internal reflection surface and described 3rd total internal reflection surface, described 4th total internal reflection surface can be configured to the Part I of the second light beam of reflects one or more bundle, accordingly, the Part I of the second light beam of described a branch of or more bundle, the 3rd output beam as a branch of or more bundle is advanced with fourth direction, leaves described monolithic optical module by described first first type surface.Described optical devices also can comprise at least one second device for testing light, second device for testing light described in each can be configured to make, when the 3rd output beam of described a branch of or more bundle leaves described monolithic optical module by described first first type surface, detect each described 3rd output beam.Described optical devices also can comprise a plurality of 4th collimation lens, and the 4th collimation lens described in each can be configured to make described a branch of or restraint more 3rd output beam when leaving described monolithic optical module, collimates each described 3rd output beam.
In an embodiment, described optical devices also can comprise at least one second optical fiber, it is coupled to described monolithic optical module, in order at least a branch of second input beam is inputed to described monolithic optical module, accordingly, described at least a branch of second input beam enters described monolithic optical module by described second first type surface, and through described first total internal reflection surface reflection, the 4th output beam as a branch of or more bundle is advanced with the 5th direction.Described optical devices also can comprise at least one device for testing light, device for testing light described in each can be configured to make, when the 4th output beam of described a branch of or more bundle leaves described monolithic optical module by described first first type surface, detect each described 4th output beam.Described optical devices also can comprise a plurality of 5th collimation lens, and the 5th collimation lens described in each can be configured to make, when the second input beam of described a branch of or more bundle enters described monolithic optical module, collimate each described second input beam.Described optical devices also can comprise a plurality of 6th collimation lens, and described in each, the 6th collimation lens can organize formation, when the 4th output beam of described a branch of or more bundle leaves described monolithic optical module, collimate each described 4th output beam.
According to another kind of kenel of the present invention, provide a kind of optical devices, comprise monolithic optical module, described monolithic optical module comprises the first first type surface; Second first type surface; First total internal reflection surface; And second total internal reflection surface.When at least a branch of first input beam enters described monolithic optical module from the position of the first total internal reflection surface described in aligning by described first first type surface, described at least a branch of first input beam is through described first total internal reflection surface reflection, and the first light beam as a branch of or more bundle is advanced with first direction.The Part I of the first light beam of described a branch of or more bundle through described second total internal reflection surface reflection, and is advanced with second direction, and as the first output beam of a branch of or more bundle, leaves described monolithic optical module by described first first type surface.The Part II of the first light beam of described a branch of or more bundle is not through described second total internal reflection surface reflection, and maintenance is advanced with first direction, and as the second output beam of a branch of or more bundle, leave described monolithic optical module by described second first type surface.
In an embodiment, the beam separation rate of described monolithic optical module presets according at least one physical characteristics of described second total internal reflection surface.
In an embodiment, at least one physical characteristics described comprises profile and the direction of described second total internal reflection surface.
In an embodiment, described monolithic optical module is made up of polymkeric substance.
In an embodiment, described optical devices also can comprise at least one light source aiming at described first total internal reflection surface, and light source described in each launches each described first input beam, and enters described monolithic optical module by described first first type surface.Described optical devices also can comprise at least one first device for testing light, first device for testing light described in each can be configured to make, when the first output beam of described a branch of or more bundle leaves described monolithic optical module by described first first type surface, detect each described first output beam.Described optical devices also can comprise at least one first optical fiber, first optical fiber described in each can be configured to make the second output beam when described a branch of or more bundle, when leaving described monolithic optical module by described second first type surface, be optically coupled to each described second output beam.Described optical devices also can comprise a plurality of first collimation lens, and the first collimation lens described in each can be configured to make, when the first input beam of described a branch of or more bundle enters described monolithic optical module, collimate each described first input beam.Described optical devices also can comprise a plurality of second collimation lens, and the second collimation lens described in each can be configured to make, when the first output beam of described a branch of or more bundle leaves described monolithic optical module, collimate each the first output beam.Described optical devices also can comprise a plurality of 3rd collimation lens, and the 3rd collimation lens described in each can be configured to make, when the second output beam of described a branch of or more bundle leaves described monolithic optical module, collimate each described second output beam.
In an embodiment, described optical devices also can comprise the 3rd total internal reflection surface, and it is adjacent to described second total internal reflection surface.Described optical devices also can comprise at least one second optical fiber, it is coupled to described monolithic optical module, in order at least a branch of second input beam is inputed to described monolithic optical module, accordingly, described at least a branch of second input beam enters described monolithic optical module by described second first type surface, and through described 3rd total internal reflection surface reflection, the 3rd output beam as a branch of or more bundle is advanced with third direction.Described optical devices also can comprise at least one device for testing light, device for testing light described in each can be configured to make, when the 3rd output beam of described a branch of or more bundle leaves described monolithic optical module by described first first type surface, detect each described 3rd output beam.Described optical devices also can comprise a plurality of 4th collimation lens, and the 4th collimation lens described in each can be configured to make, when described at least a branch of second input beam enters described monolithic optical module, to collimate each described second input beam.Described optical devices also can comprise a plurality of 5th collimation lens, and the 5th collimation lens described in each can be configured to make, when the 3rd output beam of described a branch of or more bundle leaves described monolithic optical module, collimate each described 3rd output beam.
Accompanying drawing explanation
Graphic explanation appended by application form is more readily understood in order to allow the present invention, and becomes the part of this instructions.Graphic description taken in conjunction instructions in order to illustrate embodiments of the invention, and explains creation principle of the present invention.
Fig. 1 shows the sectional view of existing VCSEL assembly;
Fig. 2 shows the sectional view of another kind of existing VCSEL assembly;
Fig. 3 shows the sectional view of the optical devices of one of the present invention embodiment;
Fig. 4 shows the sectional view of the optical devices of another embodiment of the present invention;
Fig. 5 shows the sectional view of the optical devices of the another embodiment of the present invention;
Fig. 6 shows the three-dimensional view of the optical devices of one of the present invention embodiment;
Fig. 7 shows the three-dimensional view of the optical devices of another embodiment of the present invention;
Fig. 8 shows the three-dimensional view of the multi-channel optical device of one of the present invention embodiment; And
Fig. 9 shows the three-dimensional view of the double-channel optical devices of another embodiment of the present invention.
Drawing reference numeral illustrates:
10 optical devices
15 optical devices
100 monolithic optical modules
110 first total internal reflection surface
120 second total internal reflection surface
125 first inner light beam separating interfaces
130 the 3rd total internal reflection surface
140 first optical ports
145 first collimation lenses
150 second optical ports
155 second collimation lenses
160 the 3rd optical ports
165 the 3rd collimation lenses
170 first device for testing light
180 light sources
182 first light beams
184 second light beams
186 the 3rd light beams
188 the 4th light beams
190 optical fiber
20 optical devices
200 monolithic optical modules
210 first total internal reflection surface
220 second total internal reflection surface
225 first inner light beam separating interfaces
230 surfaces
240 first optical ports
245 first collimation lenses
250 second optical ports
255 second collimation lenses
260 the 3rd optical ports
265 the 3rd collimation lenses
270 light sources
272 first light beams
274 second light beams
276 the 3rd light beams
278 the 4th light beams
280 device for testing light
290 optical fiber
30 optical devices
300 monolithic optical modules
310 first total internal reflection surface
320 second total internal reflection surface
325 first inner light beam separating interfaces
330 the 3rd total internal reflection surface
340 the 4th total internal reflection surface
352 the 4th optical ports
354 the 3rd optical ports
356 first optical ports
358 second optical ports
362 the 4th collimation lenses
364 the 3rd collimation lenses
366 first collimation lenses
368 second collimation lenses
372 second device for testing light
374 first device for testing light
376 light sources
380 first light beams
382 second light beams
384 the 3rd light beams
386 the 4th light beams
388 the 5th light beams
390 optical fiber
Embodiment
General introduction:
The invention provides a kind of optical devices with monolithic optical module based on total internal reflection surface.The light of part from such as the light source of VCSEL emits, after the total internal reflection surface reflection of at least two, then with coupling fiber.At least another part of the light emitted from described light source is reflected onto device for testing light.Be be predetermined to be meet specific demand according to physical characteristics between conducting to the light separation rate between optical fiber and conducting to device for testing light, described physical characteristics can be such as shape and/or the direction of at least two total internal reflection surface.Because the light reflectivity on described at least two total reflection surfaces can be 100%, thus insensitive for light polarization between the light separation rate of the total internal reflection surface of at least two.According to this design, the luminous energy launched from light source is separated at least two device for testing light.
Monolithic optical module provided by the present invention can be ejection formation and can be all-polymer.According to the combination of aforementioned at least two total internal reflection surface, the light not needing extra component can realize described design turns to and is separated with light.Accordingly, the design contributes to reducing component count, simplifying encapsulation complexity and save manufacturing cost.
In addition, according to the present invention, the light separation rate of adjustment arbitrarily can be designed and Implemented in monomer module.Utilize the method for clearance separated light when light separation rate is greater than 20% in prior art, the problem of interdependent loss (PolarizationDependentLoss, PDL) of polarizing can be faced.In order to use described optical module when being greater than 20% smooth separation rate, coarse output surface or additive method must be utilized will to export optical attenuation (dropped).And relative, embodiments of the invention can realize the light separation rate of adjustment arbitrarily, and described smooth separation rate is to polarization insensitive.
Embodiment:
Fig. 3 shows the sectional view of the optical devices 10 of one embodiment of the invention.
Optical devices 10 comprise monolithic optical module 100, first total internal reflection surface 110, the second total internal reflection surface 120 of adjacent first total internal reflection surface 110 and the 3rd total internal reflection surface 130 adjacent to the second total internal reflection surface 120.Second total internal reflection surface 120 is arranged between the first total internal reflection surface 110 and the 3rd total internal reflection surface 130.As long as other surface or structure can not stop light beam, can be arranged between the first total internal reflection surface 110 and the 3rd total internal reflection surface 130.The first inner light beam separating interface 125 is formed between the interface of the first total internal reflection surface 110 and the second total internal reflection surface 120.As shown in Figure 3, the outside surface of the first total internal reflection surface 110 and the outside surface of the second total internal reflection surface 120 form recess V-shaped haply in monolithic optical module 100.
Monolithic optical module 100 also comprises the first optical port 140, second optical port 150 and the 3rd optical port 160.
First optical port 140 aims at the first inner light beam separating interface 125.First light beam 182 enters monolithic optical module 100 by the first optical port 140 and is incident on the first inner light beam separation interface 125, wherein, segment beam reflects through the first total internal reflection surface 110, advance towards first direction as the second light beam 184, and segment beam reflects through the second total internal reflection surface 120, advance towards second direction as the 3rd light beam 186.Second direction is contrary with first direction haply.
Second optical port 150 aims at the first total internal reflection surface 110, and the second light beam 184 leaves monolithic optical module 100 by the second optical port 150 accordingly.
At least part of light beam that 3rd optical port 160 aims at the 3rd total internal reflection surface the 130, three light beam 186 reflects through the 3rd total internal reflection surface 130, advances towards third direction as the 4th light beam 188.4th light beam 188 leaves monolithic optical module 100 by the 3rd optical port 160.
In an embodiment, optical module 10 also can comprise the light source 180 of aligning first optical port 140.Light source 180 can be emitted through the first light beam 182 that the first optical port 140 enters monolithic optical module 100.Light source 180 can be such as VCSEL, light emitting diode (LED), laser diode or other fellows.
In another embodiment, optical devices 10 also can comprise the optical fiber 190 being coupled to the second optical port 150, and accordingly, the second light beam 184 being left monolithic optical module 100 by the second optical port 150 can be coupled to optical fiber 190.
In another embodiment, optical devices 10 also comprise the first device for testing light 170 of aligning the 3rd optical port 160.First device for testing light 170, when the 4th light beam 188 enters or leave monolithic optical module 100 by the 3rd optical port 160, can detect the 4th light beam 188.
The beam separation rate of monolithic optical module 100 can preset according at least one physical characteristics, and described physical characteristics can be such as shape and/or the direction of at least one in the first total internal reflection surface 110 and the second total internal reflection surface 120.
In an embodiment, monolithic optical module 100 can be made up of polymkeric substance.In other words, monolithic optical module 100 can be all-polymer monolithic optical module.
In an embodiment, optical devices 10 also can comprise the first collimation lens (collimatinglens) 145, and it is coupled in the first optical port 140, to collimate the light beam being entered or left monolithic optical module 100 by the first optical port 140; Second collimation lens 155, it is coupled in the second optical port 150, to collimate the light beam being entered or left monolithic optical module 100 by the second optical port 150; 3rd collimation lens 165, it is coupled in the 3rd optical port 160, to collimate the light beam being entered or left monolithic optical module 100 by the 3rd optical port 160.
In the enforcement kenel shown in Fig. 3, light source 180 launches the first light beam 182.First light beam 182 enters monolithic optical module 100 by the first optical port 140, after collimating through the first collimation lens 145, is incident on the first inner light beam separating interface 125.Accordingly, the first light beam 182 is separated into second light beam 184 of advancing with first direction and the 3rd light beam 186 of advancing with second direction, and second direction is roughly contrary with first direction.3rd light beam 186 is incident to the 3rd total internal reflection surface 130, advance with third direction after using certain angle of being transferred by the 3rd light beam 186, monolithic optical module 100 is left again through the 3rd optical port 160, utilize collimation lens 165 to collimate the 3rd light beam 186 leaving monolithic optical module 100, and utilize device for testing light 170 to detect.The second light beam 184 leaving monolithic optical module 100 by the second optical port 150 collimates through the second collimation lens 155 and is coupled to optical fiber 190.
Fig. 4 is the sectional view of the optical devices 20 of display another embodiment of the present invention.
Optical devices 20 comprise monolithic optical module 200, and monolithic optical module 200 comprises the first total internal reflection surface 210 and the second total internal reflection surface 220.First light beam 272 is incident to the first total internal reflection surface 210, advance with first direction as the second light beam 274, accordingly, the Part I of the second light beam 274 reflects through the second total internal reflection surface 220, advance with second direction as the 3rd light beam 276, and the Part II of the second light beam 274 does not reflect through the second total internal reflection surface 220, maintain first direction as the 4th light beam 278 and advance.
In an embodiment, monolithic optical module 200 also comprise adjacent to the second total internal reflection surface 220 surface 230, second total internal reflection surface 220 the first total internal reflection surface 210 and surface 230 between.In some embodiment, surface 230 can be total internal reflection surface, and in other embodiments, surface 230 also can be non-total internal reflection surface.Other surface or structure can be arranged between the first total internal reflection surface and the second total internal reflection surface, as long as described surface or structure can not stop light beam.
The beam separation rate of monolithic optical module 200 can preset according at least the second total internal reflection surface 220 and at least one physical characteristics of at least one in surface 230.
In an embodiment, monolithic optical module 200 also comprises the first optical port 240, second optical port 250 and the 3rd optical port 260.When the first light beam 272 enters monolithic optical module 200 by the first optical port 240, be incident in the first total internal reflection surface 210.3rd light beam 276 leaves monolithic optical module 200 by the second optical port 250.4th light beam 278 leaves monolithic optical module 200 by the 3rd optical port 260.
In an embodiment, optical devices 20 also can comprise the light source 270 of aligning first optical port 240.Light source 270 can be launched the first light beam 272, first light beam 272 and enter monolithic optical module 200 by the first optical port 240.Light source 270 can be such as VCSEL, light emitting diode, laser diode or other fellows.
In another embodiment, optical devices 20 also can comprise the device for testing light 280 of aligning second optical port 250.When the 3rd light beam 276 leaves monolithic optical module 200 by the second optical port 250, device for testing light 280 can detect the 3rd light beam 276.
In another embodiment, optical devices 20 also can comprise the optical fiber 290 being coupled to the 3rd optical port 260, and accordingly, the 4th light beam 278 being left monolithic optical module 200 by the 3rd optical port 260 is coupled to optical fiber 290.
In an embodiment, optical devices 20 also can comprise the first collimation lens 245, second collimation lens 255 and the 3rd collimation lens 265.Before the first light beam 272 enters monolithic optical module 200 by the first optical port 240, the first collimation lens 245 collimates the first light beam 272.After the 3rd light beam 276 leaves monolithic optical module 200 by the second optical port 250, the second collimation lens 255 collimates the 3rd light beam 276.After the 4th light beam 278 leaves monolithic optical module 200, before being coupled with optical fiber 290, the 3rd collimation lens 265 collimates the 4th light beam 278.
In an embodiment, monolithic optical module 200 can be made up of polymkeric substance.In other words, monolithic optical module 200 can be all-polymer monolithic optical module.
Fig. 5 shows the sectional view of the optical devices 30 of the another embodiment of the present invention.
Optical devices 30 comprise monolithic optical module 300, and monolithic optical module 300 comprises the first total internal reflection surface 310, the second total internal reflection surface 320 of adjacent first total internal reflection surface 310 and the 3rd total internal reflection surface 330 adjacent to the second total internal reflection surface 320.Second total internal reflection surface 320 is arranged between the first total internal reflection surface 310 and the 3rd total internal reflection surface 330.The first inner light beam separating interface 325 is formed between the interface of the second total internal reflection surface 320 of the first total internal reflection surface 310.As shown in Figure 5, the outside surface of the first total internal reflection surface 310 and the outside surface of the second total internal reflection surface 320 form recess V-shaped haply in monolithic optical module 300.
Monolithic optical module 300 also comprises the first optical port 356, second optical port 358 and the 3rd optical port 354.
First optical port 356 aims at the first inner light beam separating interface 325.First light beam 380 enters monolithic optical module 300 by the first optical port 356 and is incident on the first inner light beam separating interface 325, wherein, segment beam reflects through the first total internal reflection surface 310, advance towards first direction as the second light beam 382, and segment beam reflects through the second total internal reflection surface 320, advance towards second direction as the 3rd light beam 384.Second direction is contrary with first direction haply.
Second optical port 358 aims at the first total internal reflection surface 310, and accordingly, the second light beam 382 leaves monolithic optical module 300 by the second optical port 358.
3rd optical port 354 aims at the 3rd total internal reflection surface 330.3rd light beam 384 can reflect through the 3rd total internal reflection surface 330 at least in part, to advance as the 4th light beam 386 in third direction.4th light beam 386 leaves monolithic optical module 300 by the 3rd optical port 354.
As shown in Figure 5, monolithic optical module 300 also can comprise the 4th total internal reflection surface 340 and aim at the 4th optical port 352 of the 4th total internal reflection surface 340.The part of the 3rd light beam 384 is advanced with second direction and is not reflected through the 3rd total internal reflection surface 330, and maintains second direction as the 5th light beam 388 and advance.5th light beam 388 can pass through the 4th total internal reflection surface 340 and reflects, and advances with fourth direction as the 6th light beam 389.6th light beam 389 leaves monolithic optical module 300 by the 4th optical port 352.
In an embodiment, optical devices 30 also can comprise the light source 376 of aligning first optical port 356.Light source 376 can be launched the first light beam 380, first light beam 380 and enter monolithic optical module 300 by the first optical port 356.Light source 376 can be such as VCSEL, light emitting diode, laser diode or other fellows.
In another embodiment, optical devices 30 also can comprise the optical fiber 390 being coupled to the second optical port 358, and accordingly, the second light beam 382 leaves monolithic optical module 300 by the second optical port 358, and can be coupled to optical fiber 390.
In another embodiment, optical devices 30 also can comprise the first device for testing light 374 of aligning the 3rd optical port 354.When the 4th light beam 386 leaves monolithic optical module 300 by the 3rd optical port 354, the first device for testing light 374 can detect the 4th light beam 386.
In an embodiment again, optical devices 30 also can comprise the second device for testing light 372 of aligning the 4th optical port 352.When the 6th light beam 389 leaves monolithic optical module 300 by the 4th optical port 352, the second device for testing light 372 can detect the 6th light beam 389.
The beam separation rate of monolithic optical module 300 can preset according at least one physical characteristics, and described physical characteristics can be such as shape and/or the direction of at least one in the first total internal reflection surface 310, second total internal reflection surface 320 and the 3rd total internal reflection surface 330.
In an embodiment, monolithic optical module 300 can be made up of polymkeric substance.In other words, monolithic optical module 300 can be all-polymer monolithic optical module.
In an embodiment, optical devices 30 also can comprise the first collimation lens 366, and it is coupled in the first optical port 356, to collimate the light beam being entered or left monolithic optical module 300 by the first optical port 356; Second collimation lens 368, it is coupled in the second optical port 358, to collimate the light beam being entered or left monolithic optical module 300 by the second optical port 358; 3rd collimation lens 364, it is coupled in the 3rd optical port 354, to collimate the light beam being entered or left monolithic optical module 300 by the 3rd optical port 354; 4th collimation lens 362, it is coupled in the 4th optical port 352, to collimate the light beam being entered or left monolithic optical module 300 by the 4th optical port 352.
In the embodiment shown in Fig. 5, light source 376 launches the first optical port 380.First light beam 380, after collimating through the first collimation lens 366, enters monolithic optical module 300 by the first smooth optical port 356, and is incident on the first inner light beam separating interface 325.Then, the first light beam 380 is separated into second light beam 382 of advancing with first direction and the 3rd light beam 384 of advancing with second direction, and second direction is contrary with first direction haply.The Part I of the 3rd light beam 384 is incident to the 3rd total internal reflection surface 330, advance as the 4th light beam 386 with third direction after using an angle of being transferred by the 3rd light beam 384, monolithic optical module 300 is left again through the 3rd optical port 354, and utilize the 3rd collimation lens 364 collimation to leave the 4th light beam 386 of monolithic optical module 300, and the first device for testing light 374 is utilized to detect.The Part II of the 3rd light beam 384 does not reflect through the 3rd total internal reflection surface 330, maintains second direction advance as the 5th light beam 388, until be incident to the 4th total internal reflection surface 340.Through the reflection of the 4th total internal reflection surface 340, the 5th light beam 388 through reflection is advanced with fourth direction as the 6th light beam 389, monolithic optical module 300 is left again through the 4th optical port 352, and utilize the 4th collimation lens 362 collimation to leave the 6th light beam 389 of monolithic optical module 300, and the second device for testing light 372 is utilized to detect.Second light beam 382 leaves monolithic optical module 300 through the second optical port 358, recycles the second collimation lens 368 collimation and leaves the second light beam 382 of monolithic optical module 300 and be coupled to optical fiber 190.
Fig. 6 shows the three-dimensional view of one embodiment of the present of invention optical devices 10.Fig. 7 shows the three-dimensional view of the optical devices 15 of another embodiment of the present invention, the optical devices 15 of Fig. 7 can be the alternate embodiment of the optical devices 10 of Fig. 6, it can have the outside surface of the total internal reflection surface of a different profile and between two adjacent total internal reflection surface, comprise the inner light beam separating interface of a plurality of beam path (line), to replace the straight line path shown in Fig. 6.Fig. 6 and Fig. 7 shows two in order to form the typical structure of the spatial structure of monolithic optical module, and can realize the adjustment of light splitting separation rate in this two smooth separation architecture.
As previously coordinated the explanation of Fig. 3 to Fig. 5, light beam through the one or more total internal reflection surface reflections in monolithic optical module, and was finally separated to optical fiber and one or more device for testing light.Square separation rate between optical fiber and one or more device for testing light can be designed according to physical characteristics, and described physical characteristics can be such as shape and/or the direction of total internal reflection surface.Because the light reflectivity in total internal reflection surface is 100%, between total internal reflection surface, light separation rate is completely insensitive for light polarization.By this kind of design, the light launched from light source is separable to one or more device for testing light.In Fig. 5, what the light from light source was separated enters two device for testing light.If be increased to by band filter between collimation lens with corresponding device for testing light, then wavelength shift can be monitored.
There is many optical channels and provide the monolithic optical module transmitted with glazing signal more than can be assembled according to the framework shown in Fig. 3 to Fig. 5.For example, Fig. 8 shows the three-dimensional view of the multi-channel optical module of one embodiment of the invention.Multi-channel optical module is based on the light separation architecture of the single channel optical module 100 shown in Fig. 6.Multi-channel optical module comprises the advantage of the following stated to be simply seated in together by a plurality of single channel optical module.The first, significantly can reduce manufacturing cost through the type and quantity reducing optical module.The second, can packaging cost be reduced by the encapsulation flow process simplified.In multi-channel optical module, do not need to calibrate each assembly, resin adds (add-resin), ultraviolet curing (UV-curing) or heat curing.Finally, multi-channel optical module package can be become less specification.
Fig. 9 shows the three-dimensional view of the monolithic optical module of one embodiment of the invention, and it can transmit light signal to first optical fiber with optical power monitoring function, and receives light signal by the second optical fiber simultaneously.The separation architecture of light shown in Fig. 3 to Fig. 5 can be used for transmitting light signal to the first optical fiber.For example, in Fig. 9, optical module 100 shown in Fig. 7 can be used for light signal to be sent to the first optical fiber.As shown in Figure 9, as VCSEL, Fei Buli-Pei Ruo (Fabry-Perot, FP) source emissioning light of laser or LED is to optical module bottom lens, the light transmission first total internal reflection surface reflection of part is coupled to the first optical fiber again, light transmission second total internal reflection surface of another part reflects and marches to the 3rd total internal reflection surface, then reflexes to the low speed device for testing light be positioned at below optical module through the 3rd total internal reflection surface.For receiving light signal, the input light signal from the second optical fiber is coupled to optical module, and light signal then reflexes to the high speed device for testing light be positioned at below optical module through the first total internal reflection surface.Light signal can be converted to High-speed Electric signal and receive message according to this by high speed device for testing light.Mat is optical module as shown in Figure 9, only needs an optical module to receive light signal and to transmit the light signal that another has luminous power measuring ability simultaneously.The encapsulation of this optical module more simply, easily manufactured and volume is separated compared with two single channel optical module is little.Accordingly, can significantly reduce costs.
Fig. 9 shows the three-dimensional view of described monolithic optical module, and shown optically-coupled framework easily extensible is monolithic optical module, uses the light signal providing and transfer more than and the light signal simultaneously received more than.
Although more than disclose the embodiment of part, and be not used to limit the scope of the invention.Have in the technology of the present invention field and usually know that the knowledgeable all under the spirit and category of this creation, can carry out modifying to above-described embodiment and change.Therefore, the rights protection scope of this creation, should be as is described in the claims.
Claims (20)
1. there are optical devices for the monolithic optical module based on total internal reflection surface, comprise:
Monolithic optical module, described monolithic optical module comprises:
First first type surface;
Second first type surface, is different from this first first type surface;
First total internal reflection surface; And
Second total internal reflection surface, it is adjacent to the first described total internal reflection surface, and the outside surface of described first total internal reflection surface and the outside surface of described second total internal reflection surface form recess V-shaped haply in described monolithic optical module; And
3rd surface, it is adjacent to described second total internal reflection surface, described second total internal reflection surface is between described first total internal reflection surface and described 3rd surface, the outside surface of described first total internal reflection surface and the outside surface of described second total internal reflection surface and described 3rd surface Z-shaped haply in described monolithic optical module
Wherein, the first described total internal reflection surface and the second total internal reflection surface, and the first described first type surface and the second described first type surface are arranged so that when at least a branch of first input beam enters described monolithic optical module from the recess location of the V-type described in aiming at by described first first type surface, the Part I of at least a branch of the first described input beam is through described first total internal reflection surface reflection, advance with first direction as the first at least a branch of light beam, and as the first at least a branch of output beam, described monolithic optical module is left by described second first type surface, the Part II of at least a branch of the first described input beam is through described second total internal reflection surface reflection, advance towards the 3rd surface with the second direction being different from first direction as the second at least a branch of light beam.
2. optical devices according to claim 1, is characterized in that, the beam separation rate of described monolithic optical module presets according at least one physical characteristics of at least one in the first described total internal reflection surface and the second total internal reflection surface.
3. optical devices according to claim 2, is characterized in that, at least one described physical characteristics comprises profile and the direction of the first described total internal reflection surface or the second total internal reflection surface.
4. optical devices according to claim 1, is characterized in that, described monolithic optical module is made up of polymkeric substance.
5. optical devices according to claim 1, also comprise:
At least one aims at the recess light source of described V-type, the first input beam described in each self-emission of light source described in each, and described first input beam enters described monolithic optical module by described first first type surface;
At least one first optical fiber, the first optic fiber configureing described in each becomes to make ought at least a branch of the first described output beam, when leaving described monolithic optical module by described second first type surface, is optically coupled to each the first described output beam;
A plurality of first collimation lens, the first collimation lens described in each is arranged to enter described monolithic optical module by least a branch of the first described input beam, collimates each described first input beam; And
A plurality of second collimation lens, the second collimation lens described in each is arranged so that, when at least a branch of the first described output beam leaves described monolithic optical module, to collimate each the first output beam.
6. optical devices according to claim 1, it is characterized in that, the 3rd described surface comprises the 3rd total internal reflection surface, and the 3rd described total internal reflection surface is configured to reflect at least a branch of the second described light beam, advance with third direction as at least a branch of second output beam, leave described monolithic optical module by described first first type surface, also comprise:
At least one first device for testing light, the first device for testing light described in each is arranged so that, when at least a branch of the second described output beam leaves described monolithic optical module by described first first type surface, to detect each the second described output beam; And
A plurality of 3rd collimation lens, the 3rd collimation lens described in each is arranged so that, when at least a branch of the second described output beam leaves described monolithic optical module, to collimate each the second described output beam.
7. optical devices according to claim 6, also comprise:
4th total internal reflection surface, described 3rd total internal reflection surface is between described second total internal reflection surface and described 4th total internal reflection surface, the 4th described total internal reflection surface is configured to the Part I of the second light beam at least a branch of described in reflection, accordingly, the Part I of at least a branch of the second described light beam, the 3rd output beam as a branch of or more bundle is advanced with fourth direction, leaves described monolithic optical module by the first described first type surface;
At least one second device for testing light, the second device for testing light described in each is arranged so that, when at least a branch of the 3rd described output beam leaves described monolithic optical module by the first described first type surface, to detect each the 3rd described output beam; And
A plurality of 4th collimation lens, the 4th collimation lens described in each is arranged so that, when at least a branch of the 3rd described output beam leaves described monolithic optical module, to collimate each the 3rd described output beam.
8. optical devices according to claim 1, also comprise:
At least one second optical fiber, it is coupled to described monolithic optical module, in order at least a branch of second input beam is inputed to described monolithic optical module, accordingly, described at least a branch of second input beam enters described monolithic optical module by the second described first type surface, and through described first total internal reflection surface reflection, the 4th output beam as a branch of or more bundle is advanced with the 5th direction;
At least one device for testing light, the device for testing light described in each is arranged so that, when at least a branch of the 4th described output beam leaves described monolithic optical module by described first first type surface, to detect each described 4th output beam;
A plurality of 5th collimation lens, the 5th collimation lens described in each is arranged so that, when at least a branch of the second described input beam enters described monolithic optical module, to collimate each described second input beam; And
A plurality of 6th collimation lens, the 6th collimation lens described in each is arranged so that, when at least a branch of the 4th described output beam leaves described monolithic optical module, to collimate each described 4th output beam.
9. there are optical devices for the monolithic optical module based on total internal reflection surface, comprise:
Monolithic optical module, comprises:
First first type surface;
Second first type surface;
First total internal reflection surface;
Second total internal reflection surface, it is adjacent to the first described total internal reflection surface, and the outside surface of the first described total internal reflection surface and the outside surface of described second total internal reflection surface form recess V-shaped haply in described monolithic optical module; And
3rd total internal reflection surface, it is adjacent to the second described total internal reflection surface, accordingly, the second described total internal reflection surface between described first total internal reflection surface and described 3rd total internal reflection surface,
Wherein, the first described total internal reflection surface, second total internal reflection surface, 3rd total internal reflection surface, and the first described first type surface is arranged so that when at least a branch of first input beam enters described monolithic optical module from the position of the recess aiming at described V-type by described first first type surface with the second first type surface, the Part I of at least a branch of the first described input beam is through the first described total internal reflection surface reflection, the first light beam as a branch of or more bundle is advanced with first direction, and as the first output beam of a branch of or more bundle, described monolithic optical module is left by the second described first type surface, the Part II of at least a branch of the first described input beam is through described second total internal reflection surface reflection, the second light beam as a branch of or more bundle is advanced with second direction, and
Wherein with at least a branch of the second described light beam that second direction is advanced, reflect through the 3rd described total internal reflection surface and advance with third direction, and as the second output beam of a branch of or more bundle, leave described monolithic optical module by the first described first type surface.
10. optical devices according to claim 9, it is characterized in that, the beam separation rate of described monolithic optical module presets according at least one physical characteristics of at least one in described first total internal reflection surface and described second total internal reflection surface, and at least one described physical characteristics comprises profile and the direction of described first total internal reflection surface or described second total internal reflection surface.
11. optical devices according to claim 9, is characterized in that, described monolithic optical module is made up of polymkeric substance.
12. optical devices according to claim 9, also comprise:
At least one aims at the light source of the recess of described V-type, and the light source described in each launches the first described separately input beam, and enters described monolithic optical module by the first described first type surface;
At least one first optical fiber, the first optic fiber configureing described in each becomes to make ought at least a branch of the first described output beam, when leaving described monolithic optical module by described second first type surface, is optically coupled to respectively this first output beam;
At least one first device for testing light, the first device for testing light described in each is arranged so that when the second output beam of at least a branch of described bundle leaves described monolithic optical module by described first first type surface, detects each the second described output beam;
A plurality of first collimation lens, the first collimation lens described in each is arranged to enter described monolithic optical module by least a branch of the first described input beam, collimates each described first input beam;
A plurality of second collimation lens, the second collimation lens described in each is arranged to leave described monolithic optical module by least a branch of the first described output beam, collimates each the first output beam; And
A plurality of 3rd collimation lens, the 3rd collimation lens described in each is configured to, when at least a branch of the second described output beam leaves described monolithic optical module, collimate each described second output beam.
13. optical devices according to claim 9, also comprise:
The 4th total internal reflection surface between the second described total internal reflection surface and the 3rd total internal reflection surface, described 4th total internal reflection surface is configured to reflect the Part I of at least a branch of second light beam, accordingly, the Part I of described at least a branch of second light beam, the 3rd output beam as a branch of or more bundle is advanced with fourth direction, leaves described monolithic optical module by the first described first type surface;
At least one second device for testing light, the second device for testing light described in each is arranged so that, when at least a branch of the 3rd described output beam leaves described monolithic optical module by the first described first type surface, to detect each described 3rd output beam; And
A plurality of 4th collimation lens, the 4th collimation lens described in each is arranged so that, when at least a branch of the 3rd described output beam leaves described monolithic optical module, to collimate each described 3rd output beam.
14. optical devices according to claim 9, also comprise:
At least one second optical fiber, it is coupled to described monolithic optical module, in order at least a branch of second input beam is inputed to described monolithic optical module, accordingly, at least a branch of the second described input beam enters described monolithic optical module by described second first type surface, and through described first total internal reflection surface reflection, the 4th output beam as a branch of or more bundle is advanced with the 5th direction;
At least one device for testing light, device for testing light described in each is arranged so that, when at least a branch of the 4th described output beam leaves described monolithic optical module by described first first type surface, to detect each the 4th described output beam;
A plurality of 5th collimation lens, the 5th collimation lens described in each is arranged so that, when at least a branch of the second described input beam enters described monolithic optical module, to collimate each described second input beam; And
A plurality of 6th collimation lens, described in each, the 6th collimation lens set is formed, and when at least a branch of the 4th described output beam leaves described monolithic optical module, collimates each described 4th output beam.
15. 1 kinds of optical devices with the monolithic optical module based on total internal reflection surface, comprise:
Monolithic optical module, comprises:
First first type surface;
Second first type surface, is different from the first first type surface;
First total internal reflection surface;
Second total internal reflection surface; And
3rd surface,
Wherein, the first described total internal reflection surface, the second total internal reflection surface, the first first type surface, described second first type surface and the 3rd surface, make when at least a branch of first input beam enters described monolithic optical module from the position of the first total internal reflection surface described in aligning by described first first type surface by the configuration of its shape and structure, at least a branch of the first described input beam is through described first total internal reflection surface reflection, advance with first direction as at least a branch of first light beam
Wherein, the Part I of at least a branch of the first described light beam through described second total internal reflection surface reflection, and is advanced with second direction, and as the first output beam of a branch of or more bundle, described monolithic optical module is left by described first first type surface, and
Wherein, 3rd surface forms V-structure with the second total internal reflection surface, and the structural allocation of described V-structure and the first total internal reflection surface, the Part II of at least a branch of the first described light beam is not through described second total internal reflection surface reflection, edge along V-structure also maintains advances with first direction, and as the second output beam of a branch of or more bundle, leave described monolithic optical module by the second described first type surface.
16. optical devices according to claim 15, is characterized in that, the beam separation rate of described monolithic optical module presets according at least one physical characteristics of described second total internal reflection surface.
17. optical devices according to claim 15, is characterized in that, at least one described physical characteristics comprises profile and the direction of described second total internal reflection surface.
18. optical devices according to claim 15, is characterized in that, described monolithic optical module is made up of polymkeric substance.
19. optical devices according to claim 15, also comprise:
At least one aims at the light source of described first total internal reflection surface, and the light source described in each launches each the first described input beam, and enters described monolithic optical module by described first first type surface;
At least one first device for testing light, the first device for testing light described in each is arranged so that, when at least a branch of the first described output beam leaves described monolithic optical module by described first first type surface, to detect each described first output beam;
At least one first optical fiber, the first optic fiber configureing described in each becomes to make ought at least a branch of the second described output beam, when leaving described monolithic optical module by described second first type surface, is optically coupled to each the second described output beam;
A plurality of first collimation lens, the first collimation lens described in each is arranged to enter described monolithic optical module by least a branch of the first described input beam, collimates each described first input beam;
A plurality of second collimation lens, the second collimation lens described in each is arranged to leave described monolithic optical module by least a branch of the first described output beam, collimates each the first output beam; And
A plurality of 3rd collimation lens, described in each, the 3rd collimation lens set is formed, and when at least a branch of the second described output beam leaves described monolithic optical module, collimates each described second output beam.
20. optical devices according to claim 15, also comprise:
3rd total internal reflection surface, it is adjacent to the second described total internal reflection surface;
At least one second optical fiber, it is coupled to described monolithic optical module, in order at least a branch of second input beam is inputed to described monolithic optical module, accordingly, at least a branch of the second described input beam enters described monolithic optical module by described second first type surface, and through described 3rd total internal reflection surface reflection, the 3rd output beam as a branch of or more bundle is advanced with third direction;
At least one device for testing light, device for testing light described in each is arranged so that, when at least a branch of the 3rd described output beam leaves described monolithic optical module by described first first type surface, to detect each described 3rd output beam;
A plurality of 4th collimation lens, the 4th collimation lens described in each is arranged so that, when at least a branch of the second described input beam enters described monolithic optical module, to collimate each described second input beam; And
A plurality of 5th collimation lens, the 5th collimation lens described in each is arranged so that, when at least a branch of the 3rd described output beam leaves described monolithic optical module, to collimate each described 3rd output beam.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/211,028 | 2011-08-16 | ||
| US13/211,028 US9304270B2 (en) | 2011-02-01 | 2011-08-16 | Monolithic optical coupling module based on total internal reflection surfaces |
| USUS13/211,028 | 2011-08-16 | ||
| US13/527,234 | 2012-06-19 | ||
| US13/527,234 US8933391B2 (en) | 2011-02-01 | 2012-06-19 | Monolithic optical coupling module based on total internal reflection surfaces |
| USUS13/527,234 | 2012-06-19 |
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| CN103543503A CN103543503A (en) | 2014-01-29 |
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| JP6532236B2 (en) | 2015-01-28 | 2019-06-19 | 株式会社エンプラス | Optical receptacle and optical module |
| US10884198B2 (en) | 2015-03-24 | 2021-01-05 | Samtec, Inc | Optical block with textured surface |
| CN105629404A (en) * | 2016-04-08 | 2016-06-01 | 四川华拓光通信股份有限公司 | Coupling lens device applied to vertical cavity surface emitting laser |
| TWI667505B (en) * | 2016-07-27 | 2019-08-01 | 光環科技股份有限公司 | Optical couping module and light communication apparatus using the same |
| CN109407234A (en) * | 2018-12-17 | 2019-03-01 | 周口师范学院 | A kind of optical assembly with backlight monitoring |
| CN109491027A (en) * | 2019-01-08 | 2019-03-19 | 中航海信光电技术有限公司 | A kind of parallel optical module |
| US10900867B2 (en) * | 2019-03-25 | 2021-01-26 | Ultra Communications, Inc. | Bidirectional coupling optic |
| CN111965769A (en) * | 2020-09-18 | 2020-11-20 | 深圳市都乐精密制造有限公司 | Coupling lens capable of realizing light incidence and light return detection |
| CN112925070A (en) * | 2021-01-27 | 2021-06-08 | 江西欧迈斯微电子有限公司 | Optical device and optical module |
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