CN103744149B - Optical assembly - Google Patents
Optical assembly Download PDFInfo
- Publication number
- CN103744149B CN103744149B CN201410046932.XA CN201410046932A CN103744149B CN 103744149 B CN103744149 B CN 103744149B CN 201410046932 A CN201410046932 A CN 201410046932A CN 103744149 B CN103744149 B CN 103744149B
- Authority
- CN
- China
- Prior art keywords
- convex lens
- pedestal
- laser instrument
- optoisolator
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4296—Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4207—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms with optical elements reducing the sensitivity to optical feedback
- G02B6/4208—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms with optical elements reducing the sensitivity to optical feedback using non-reciprocal elements or birefringent plates, i.e. quasi-isolators
- G02B6/4209—Optical features
Abstract
The invention provides a kind of optical assembly, this optical assembly comprises the body element and pedestal be made up of light-transmitting materials; Body element offers a mounting groove, pedestal inserts in mounting groove, and embed an optoisolator in pedestal inside, the light launched to make laser instrument is unidirectional to be incident in optical fiber.Optical assembly provided by the invention, body element is offered a mounting groove, the pedestal of embedded optoisolator is inserted with in this mounting groove, optoisolator can be isolated the light that profile of optic fibre reflects, the light that laser instrument is launched can unidirectionally be incident in optical fiber, to prevent this reflected light from entering laser instrument, thus the impact of the light that laser instrument can be avoided to be reflected, hinge structure can improve the performance of laser instrument.In addition, because the volume of optoisolator is comparatively large, be embedded into the restriction that then can not be subject to convergence of rays hole size in mounting groove, therefore, be convenient to install, improve the installation effectiveness of optical assembly.
Description
Technical field
The present invention relates to Fibre Optical Communication Technology, particularly relate to a kind of optical assembly.
Background technology
In fiber optic communication field, need use optical assembly, optical assembly is a kind of optical device realizing photoelectricity or electro-optic conversion.
Fig. 1 is a kind of optical assembly in prior art, and this optical assembly comprises body element 1, laser instrument 2, optical interface 4.Body element 1 is made up of light transmissive material, and body element 1 one end is provided with cavity 5, and cavity 5 is equipped with laser instrument 2, and optical interface 4 is arranged on body element 1 other end, in optical interface 4, be provided with optical fiber.Be provided with a convergence of rays hole (not shown in FIG.) in optical interface 4 side, the body element 1 of one end, convergence of rays hole is curved-surface structure, forms convex lens 3.Generally from the only diverging light that laser instrument 2 is launched, enter body element 1, planoconvex lens 3 assembles rear coupled into optical fibres.
But present inventor is in the process realizing invention technical scheme in the embodiment of the present application, find that above-mentioned technology at least exists following technical matters:
The light that laser instrument sends is in the process being coupled to optical fiber, understand some to reflect through profile of optic fibre, the light reflected is understood some and is again entered into laser instrument, if laser instrument adopts the DFP laser instrument of 1310 and 1550nm, the impact of the light so reflected can be larger, causes the degradation of laser instrument luminescence.
And optoisolator is the necessary device ensureing light one-way transmission, between lasing light emitter and optical fiber, an optoisolator is installed, the harmful effect that reflected light produces the spectral output power stability of light source can be reduced to a great extent, also can eliminate the additional noise that reverse transfer light produces.So just need to add optoisolator in the structure shown here.
If arrange optoisolator in optical assembly; those skilled in the art usually can in the following way: optoisolator is arranged on the position before coupling light in body element enters optical fiber; namely in the convergence of rays hole in structure shown in Fig. 1; but because the volume of optoisolator is larger; by the restriction of convergence of rays hole size, cannot be arranged in convergence of rays hole.
Summary of the invention
The invention provides a kind of optical assembly, for the defect existed under overcoming prior art structure, realize the installation of optoisolator in prior art structure.
The invention provides a kind of optical assembly, this optical assembly comprises the body element and pedestal be made up of light-transmitting materials;
Described body element offers a mounting groove, described pedestal inserts in described mounting groove, and embed an optoisolator in described pedestal inside, the light launched to make laser instrument is unidirectional to be incident in optical fiber.
A kind of embodiment as above-described embodiment:
Described body element is provided with a cavity, described laser instrument is arranged in described cavity, described mounting groove and described cavity connects, be provided with the first convex lens towards the side of described laser instrument in described pedestal and described first convex lens is exposed in described cavity, the light launched to make described laser instrument enters in described optoisolator after described first convex lens collimates.
One of improvement project as above-mentioned embodiment:
Described laser instrument, described first convex lens and described optoisolator are coaxially arranged.
Improvement project two as above-mentioned embodiment:
The side that described pedestal is relative with described first convex lens offers blind hole, and described optoisolator is arranged in described blind hole.
Improvement project three as above-mentioned embodiment:
In described pedestal towards the side of described laser instrument, above described first convex lens, be provided with boss, so that the described pedestal being provided with described first convex lens plugs in described mounting groove.
Preferably:
Described boss, relative to the vertical range of the pedestal side at place, is more than or equal to the vertical range of described first convex lens relative to described side.
Another kind of embodiment as above-described embodiment:
Be provided with optical fiber mounting hole in described body element, described optical fiber is arranged in affiliated optical fiber mounting hole; Be provided with convergence of rays hole in the side of described optical fiber mounting hole in described body element, described convergence of rays hole is communicated with described optical fiber mounting hole.
Improvement project further as above-mentioned embodiment:
Described convergence of rays hole is blind hole, and the body element of one end, described convergence of rays hole is curved-surface structure, forms the second convex lens, enters in described convergence of rays hole after described second convex lens is assembled to make the light of described first convex lens collimation.
Preferred version as above-mentioned embodiment:
Described optoisolator and described convergence of rays hole and described optical fiber mounting hole coaxial.
On the basis of above-described embodiment:
Be provided with pad in the cavity of described body element, described laser instrument is arranged on described pad.
Optical assembly provided by the invention, part in body element between laser instrument and optical fiber offers a mounting groove, the pedestal of embedded optoisolator is inserted with in this mounting groove, optoisolator can be isolated the light that profile of optic fibre reflects, the light that laser instrument is launched can unidirectionally be incident in optical fiber, to prevent this reflected light from entering laser instrument, thus the impact of the light that laser instrument can be avoided to be reflected, hinge structure can improve the performance of laser instrument.In addition, because the volume of optoisolator is comparatively large, be embedded into the restriction that then can not be subject to convergence of rays hole size in mounting groove, therefore, be convenient to install, improve the installation effectiveness of optical assembly.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art;
The optical assembly structural representation that Fig. 2 provides for the embodiment of the present invention one;
The front view of pedestal in the optical assembly that Fig. 3 provides for the embodiment of the present invention one;
Fig. 4 is the right view of Fig. 3;
Fig. 5 is along A-A to cut-open view in Fig. 3;
The cut-open view that in the optical assembly that Fig. 6 provides for inventive embodiments one, pedestal and isolator are installed;
The cut-open view of pedestal in a kind of optical assembly that Fig. 7 provides for the embodiment of the present invention one;
The cut-open view of pedestal in the another kind of optical assembly that Fig. 8 provides for the embodiment of the present invention one;
The structural representation of the optical assembly that Fig. 9 provides for the embodiment of the present invention two.
Embodiment
Embodiment one
As shown in Figure 2, the invention process provides a kind of optical assembly, comprising: the body element 1 be made up of light-transmitting materials and pedestal 6; Body element 1 offers a mounting groove 11, pedestal 6 inserts in mounting groove 11, embeds an optoisolator 7, be incident in optical fiber so that the light making laser instrument 2 launch is unidirectional in pedestal 6 inside.
Optical assembly provided by the invention, part in body element between laser instrument and optical fiber offers a mounting groove 11, the pedestal 6 of embedded optoisolator is inserted with in this mounting groove 11, optoisolator 7 can be isolated the light that profile of optic fibre reflects, the harmful effect that reflected light produces the spectral output power stability of light source can be reduced to a great extent, also can eliminate the annex noise that reverse transfer light produces.The light that laser instrument 2 is launched can unidirectionally be incident in optical fiber, to prevent this reflected light from entering laser instrument, thus the impact of the light that laser instrument 2 can be avoided to be reflected, hinge structure can improve the performance of laser instrument 2.In addition, because the volume of optoisolator 7 is comparatively large, be embedded into the restriction that then can not be subject to convergence of rays hole size in mounting groove 11, therefore, be convenient to install, improve the installation effectiveness of optical assembly.
On pedestal 6, offer a blind hole 61 in one side direction in Fig. 2, optoisolator 7 is fixed in blind hole 61.Certainly, blind hole 61 can be arranged on other optional positions of pedestal 6, as long as can meet, light that optoisolator 7 makes laser instrument 2 launch is unidirectional to be incident in optical fiber.Such as: blind hole 61 can be offered towards the side of laser instrument 2 in pedestal 6, or, also can offer towards the side of optical fiber in pedestal 6.
Here light-transmitting materials just to the material of pedestal from function with limit in nature, there is the material of light transmission, can be transparent material, also can be transparent material and mixed materials of decay material etc., the composition of material is not limited at this, can be not only single material, but also can be the mixing of various material, as long as meet printing opacity requirement after mixing.If blind hole 61 is offered towards the side of optical fiber in pedestal 6, the situation namely shown in Fig. 2, because pedestal 6 is made by transparent material, therefore, the light that laser instrument 2 sends can enter in the optoisolator 7 be arranged in blind hole 61 through pedestal 6.
The shape of isolator is right cylinder, and this right cylinder is magnet, and cylindrical center section is through hole, and the ring surface on it is made up of wave plate.On the one hand, the light that profile of optic fibre reflects can be blocked by magnet; On the other hand, 45 degree of deflections can be there are after the light of laser instrument 2 outgoing enters wave plate, and the light that profile of optic fibre reflects enters wave plate that 45 degree of deflections occur again, being equivalent to reflected light after wave plate has deflected 90 degree relative to the light of laser instrument 2 original exit, therefore by wave plate completely isolated fall.And the light that laser instrument 2 sends is divergent shape, if but the light entering isolator too disperse, then the light of a lot of laser instrument 2 incidence also can be blocked by magnet, thus the light entering into optical fiber can be become little.Therefore, preferably, as shown in Figure 2, body element 1 is provided with a cavity 5, laser instrument 2 is arranged in cavity 5, mounting groove 11 is communicated with cavity 5, is provided with the first convex lens 8 and the first convex lens 8 is exposed in cavity 5 in pedestal 6 towards the side of laser instrument 2, the light launched to make laser instrument 2 through the first convex lens 8 carry out collimation laggard enter in optoisolator 7.It should be noted that, when being provided with first convex lens 8 towards the side of laser instrument 2 in pedestal 6, then blind hole 61 is offer towards the side of optical fiber in pedestal 6.
Optical assembly provided by the invention, on the one hand, mounting groove 11 is communicated with body element cavity 5, pedestal 6 is plugged in this mounting groove 11, on the side of laser instrument 2, the first convex lens 8 is processed and this first convex lens 8 is exposed in cavity 5 in this pedestal 6, thus the light making laser instrument 2 send can be irradiated on this first convex lens 8, the light that this first convex lens 8 can send laser instrument 2 carries out collimation outgoing, namely the diverging light that laser instrument 2 sends becomes parallel beam and enters in optoisolator 7 after the collimating effect of this first convex lens 8, magnet blocking optical fiber can be reduced, thus more light can be enable to enter into optical fiber.On the other hand, as long as the incident light place of optical fiber is consistent with the height of the first convex lens 8 in body element 1, just can ensure that parallel beam enters in optical fiber, without the need to the first convex lens 8 is located in body element 1, without the need to carrying out withdrawing pattern after body element 1 is shaping, can not cause the first convex lens 8 can be impaired when withdrawing pattern, when body element 1 processes the first convex lens, the demoulding is more difficult, adopt a mould to complete, therefore it also avoid the shaping problem bringing demoulding difficulty and processing difficulties of the first convex lens 8; Pedestal 6 can be generated by mold releasability smoothly when formation the first convex lens 8, is easy to processing and forming; Avoid the impaired of the first convex lens 8, thus improve yield rate.
Further, in order to reduce the loss of luminous energy in optic path process, laser instrument 2, first convex lens 8 and optoisolator 7 are coaxially arranged.Specifically refer to that the light source transmitting aperture center line 2a of laser instrument 2 overlaps with the center line 7a of the first convex lens center line 8a and optoisolator 7.
The light source transmitting aperture center line 2a of laser instrument and the right alignment of the first convex lens center line 8a higher, the collimated light beam that the divergent beams sent through laser instrument 2 light source transmitting aperture are formed after the first convex lens 8 reflects is more close to parallel beam, parallel beam is the ideal beam of light when body element middle and long distance transmits, because the distance that parallel beam can transmit in body element is in theory endless; The right alignment of the first convex lens center line 8a and optoisolator center line 7a is higher, more can ensure that parallel beam is all transmitted by individual event by optoisolator, can be less by the impact reflecting the light arriving laser instrument, and the performance of laser instrument luminescence is better; The illumination that laser instrument 2 sends is mapped on this first convex lens 8, again through optoisolator 7 after the first convex lens 8 collimates, when the shape of the shape of the angle of divergence of laser instrument 2, distance between laser instrument 2 and the first convex lens 8, the first convex lens 8 and size, optoisolator 7 and size are all fixed, can ensure most light one-way transmissions that laser instrument 2 sends finally to enter optical fiber.In the present embodiment, pedestal can be prismatic, cylindrical, conical, taper type etc.In addition, as the extended mode of embodiment, the center line 4a of the first convex lens center line 8a and optical fiber also can coaxially be arranged, the right alignment of the center line 4a of the first convex lens center line 8a and optical fiber is higher, when selecting fibre diameter to be equal to collimated beam diameter, the beam range received is larger, and is easy to again assemble before entering optical fiber at collimated light beam, to reduce the decay of light beam in a fiber in transmitting procedure.
In above-described embodiment one, only optoisolator 7 fixedly need be embedded in the blind hole 61 of pedestal 6 during use, optoisolator 7 and blind hole 61 clearance fit, can be bondd by glue-line between optoisolator 7 and blind hole inwall fixing, the Optical isolator module again pedestal 6 and optoisolator 7 being assembled rear formation inserts and is arranged in the mounting groove 11 of body element 1, because the position opposing body element 1 of the first convex lens 8 is fixed, therefore the first convex lens central axis 8a is certain with the mounting groove 11 bottom surface distance be located in body element; And the first convex lens 8 and the aligned position relation of optoisolator 3 can by being ensured when processing pedestal 6, as long as control blind hole 61 and the mismatch error of optoisolator 7 can to ensure in preset range aiming at of the first convex lens 8 and optoisolator 7, the collimated light beam formed after the first convex lens 8 can pass through optoisolator 7 one-way transmission, and optoisolator can be fixed on required position easily and accurately.
In addition, in above-described embodiment one, due to the first convex lens 8 is processed on the pedestal 6 be separated with body element 1, this pedestal 6 also has the blind hole 61 for installing optoisolator 7 simultaneously, adopt the pedestal 6 of said structure, first, the position relationship of the first convex lens 8 and blind hole 61 just can be ensured when making pedestal 6, as long as ensure that blind hole 61 controls in preset range with the mismatch error of optoisolator 7, just can meet the first projection of convex lens 8 on collimated light beam normal plane 20 is positioned at the projection of optoisolator endoporus 71 on collimated light beam normal plane 20, to guarantee that the collimated light beam formed after the first convex lens 8 can all by endoporus 71 one-way transmission of optoisolator, reduce the decay of light in communication process.
On the basis of above-described embodiment, as in Figure 3-5, further provide the structural representation of pedestal, pedestal 6 can be cuboid, the openend 61a of blind hole is located on one of them side 6a of pedestal, and the first convex lens 8 is located on side 6b parallel with above-mentioned side 6a on pedestal 6.Convenient processing and location, and be easy to the relative position of control first convex lens 8 and blind hole 61 and respective shape and size, also easily locate when square pedestal is installed in body element, and not easily rotate.
As optimal way, the coaxial setting of the center line 8a of the first convex lens and the center line 61b of blind hole.When making pedestal 6, by the center line 8a of form tolerance control first convex lens of mould and the right alignment of the center line 61b of blind hole, as long as the tolerance on fit of optoisolator and blind hole is controlled in the reasonable scope, just can ensure that the collimated light beam formed through the first convex lens refraction is all through optoisolator endoporus 71, realizes one-way transmission.Therefore, the installation of this programme is more convenient.Fig. 6 is perfect condition, and the center line 8a of the first convex lens overlaps with the center line 61b of blind hole and optoisolator center line 7a.
As shown in Figure 7, as the preferred version of above-described embodiment, as shown in Figure 7, in pedestal 6 towards the side of laser instrument, above the first convex lens 8, be provided with boss 62, so that the pedestal 6 being provided with the first convex lens 8 plugs in mounting groove 11.First convex lens 8 outwards protrudes out relative to side 6b, and the boss 62 above the first convex lens 8 also outwards protrudes out relative to side 6b.Boss 62, relative to the vertical range of the pedestal side 6b at place, is more than or equal to the vertical range of described first convex lens 8 relative to described side.
When installing Optical isolator module, fully contact to make the side of pedestal 6 with mounting groove 11 side and fix, boss 62 is set, fixing by the side of boss 62 and mounting groove 11 contact internal walls, the first convex lens 8 can be avoided to wear and tear in installation process, pedestal 6 can be made again fully to contact with mounting groove 11 inwall; In addition, during fixed base frame 6, need to apply glue on pedestal 6, by glue bonding fixed base frame 6 and body element 1, in installation process, the glue that the surface that boss 62 protects the first convex lens 8 is not applied on boss 62 pollutes.Boss 62, relative to the vertical range of pedestal 6 side at place, is more than or equal to the vertical range of the first convex lens 8 relative to described side, can positioning seat body 6 and protection the first convex lens 8 better.Fig. 8 is the another kind of distressed structure of pedestal 6, pedestal 6 has a groove, and the bottom surface of this groove is formed the first convex lens 8.Also can understand like this, above and below the first convex lens 8, all there is boss 62, easily install.
Embodiment two
As shown in Figure 9, be provided with optical fiber mounting hole 12 in body element 1, optical fiber is arranged in optical fiber mounting hole 12; Be provided with convergence of rays hole 13 in the side of optical fiber mounting hole 12 in body element 1, convergence of rays hole 13 is communicated with optical fiber mounting hole 12.
As concrete scheme, convergence of rays hole 13 is blind hole, the body element 1 of one end, convergence of rays hole 13 is curved-surface structure, forms the second convex lens 9, the light collimated to make the first convex lens 8 through the second convex lens 9 carry out convergence laggard enter in convergence of rays hole 13.
Second convex lens 9 is exposed in convergence of rays hole 13 for being assembled by the parallel beam be transmitted in body element, enter optical fiber again after assembling in convergence of rays hole 13, prevent parallel beam from after body element out directly enters optical fiber, causing a large amount of decay of light.
When making body element 1, cavity 5 and mounting groove 11 as shown in Figure 9 shaping, all shaping by withdrawing pattern, the normal demoulding, does not have difficulties, optical fiber mounting hole 12 and convergence of rays hole 13 shaping all by a mould molding, the normal demoulding of withdrawing pattern to the right, does not also have difficulties.
Preferably, optoisolator 7 and convergence of rays hole 13 and optical fiber mounting hole 12 coaxial.
In order to ensure through body element 1 light beam transmission quality in a fiber out, body element 1 inwardly has one for the mounting hole 12 of installing optical fibres and a convergence of rays hole 13 away from one end of the first convex lens 11 successively from this end face; Mounting hole 12 and convergence of rays hole 13 are coaxially arranged; Convergence of rays hole 13 is between pedestal 6 and optical fiber; The bottom surface in convergence of rays hole 13 is second convex lens 9 of the collimated beam for being transmitted in body element 1 in convergence of rays hole 13; Second convex lens 9 are wholely set with body element 1; The first convex lens center line 8a on the center line 9a of the second convex lens and pedestal 6 is coaxially arranged.
The divergent beams launched through laser instrument 2 form collimation parallel beam after the first convex lens 8 reflects, through pedestal 6 out time, because collimated light beam is perpendicular to pedestal 6 plane of refraction, therefore radiation direction can not change, when optoisolator endoporus 71 enters body element 1, because collimated light beam is perpendicular to the plane of refraction of body element 1, therefore radiation direction still can not change, assemble in convergence of rays hole 13 after the second convex lens 9 is a bit, finally enter optical fiber, be conducive to light high efficiency of transmission in a fiber.
When installing laser instrument 2, need the high and low position adjusting laser instrument 2, make the center line of light source transmitting aperture be positioned at certain altitude, this highly needs the height in conjunction with the center line 8a of the first convex lens on the floor height of mounting groove 11 and pedestal and determines, and just can reach requirement; Also need the horizontal shift adjusting laser instrument 2 and the first convex lens 8 simultaneously, the divergent beams that light source transmitting aperture sends on the right side of laser instrument 2 can just in time all be beaten on the first convex lens 8, thus avoid the loss that light causes in long range propagation process, pad 30 is arranged on, to adjust perpendicular displacement and the horizontal shift of laser instrument 2 below laser instrument 2.Ensure that the divergent beams that the accurate and laser instrument 2 of optoisolator installation site sends can be all collimated in parallel beam by the first convex lens 8.
For convenience of installing, all being bondd by glue-line between optoisolator 7 and pedestal 6, between pedestal 6 and body element 1 and between optical fiber and body element 1 and fixing.
Be provided with pad 30 in the cavity 5 of body element, laser instrument 2 is arranged on pad 30.Pad 30 for supporting laser instrument 2, and adjusts the position of laser instrument 2 according to the actual requirements, to meet the coaxial setting of laser instrument 2 and the first convex lens 8.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (9)
1. an optical assembly, is characterized in that, comprising: the body element be made up of light-transmitting materials and pedestal;
Described body element offers a mounting groove, described pedestal inserts in described mounting groove, and embed an optoisolator in described pedestal inside, the light launched to make laser instrument is unidirectional to be incident in optical fiber;
Described body element is provided with a cavity, described laser instrument is arranged in described cavity, described mounting groove and described cavity connects, be provided with the first convex lens towards the side of described laser instrument in described pedestal and described first convex lens is exposed in described cavity, the light launched to make described laser instrument enters in described optoisolator after described first convex lens collimates.
2. optical assembly according to claim 1, is characterized in that, described laser instrument, described first convex lens and described optoisolator are coaxially arranged.
3. optical assembly according to claim 1, is characterized in that, is provided with optical fiber mounting hole in described body element, and described optical fiber is arranged in described optical fiber mounting hole; Be provided with convergence of rays hole in the side of described optical fiber mounting hole in described body element, described convergence of rays hole is communicated with described optical fiber mounting hole.
4. optical assembly according to claim 3, it is characterized in that, described convergence of rays hole is blind hole, the body element of one end, described convergence of rays hole is curved-surface structure, form the second convex lens, enter in described convergence of rays hole after described second convex lens is assembled to make the light of described first convex lens collimation.
5. optical assembly according to claim 3, is characterized in that, described optoisolator and described convergence of rays hole and described optical fiber mounting hole coaxial.
6. optical assembly according to claim 1, is characterized in that, the side that described pedestal is relative with described first convex lens offers blind hole, and described optoisolator is arranged in described blind hole.
7. optical assembly according to claim 1, it is characterized in that, in described pedestal towards the side of described laser instrument, above described first convex lens, be provided with boss, so that the described pedestal being provided with described first convex lens plugs in described mounting groove.
8. optical assembly according to claim 7, is characterized in that, described boss, relative to the vertical range of the pedestal side at place, is more than or equal to the vertical range of described first convex lens relative to described side.
9. optical assembly according to claim 1, is characterized in that, is provided with pad in the cavity of described body element, and described laser instrument is arranged on described pad.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510550280.8A CN105044863B (en) | 2014-02-10 | 2014-02-10 | Optical assembly |
| CN201410046932.XA CN103744149B (en) | 2014-02-10 | 2014-02-10 | Optical assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410046932.XA CN103744149B (en) | 2014-02-10 | 2014-02-10 | Optical assembly |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510550280.8A Division CN105044863B (en) | 2014-02-10 | 2014-02-10 | Optical assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103744149A CN103744149A (en) | 2014-04-23 |
| CN103744149B true CN103744149B (en) | 2015-08-19 |
Family
ID=50501183
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410046932.XA Active CN103744149B (en) | 2014-02-10 | 2014-02-10 | Optical assembly |
| CN201510550280.8A Active CN105044863B (en) | 2014-02-10 | 2014-02-10 | Optical assembly |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510550280.8A Active CN105044863B (en) | 2014-02-10 | 2014-02-10 | Optical assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN103744149B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103995323B (en) * | 2014-05-13 | 2015-11-25 | 青岛海信宽带多媒体技术有限公司 | A kind of optical module assembly and optical module |
| CN116203685A (en) * | 2019-09-29 | 2023-06-02 | 苏州旭创科技有限公司 | Optical interface assembly and optical module |
| CN114779503A (en) * | 2022-03-28 | 2022-07-22 | 安徽科瑞思创晶体材料有限责任公司 | TGG optic fibre laser isolator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1507569A (en) * | 2001-05-09 | 2004-06-23 | 浜松光子学株式会社 | Optical lens-use base material, optical lens, and method of producing optical lens |
| CN1711487A (en) * | 2002-11-12 | 2005-12-21 | 安捷伦科技有限公司 | Optical lenses |
| CN201060294Y (en) * | 2007-04-29 | 2008-05-14 | 圣威光电科技发展股份有限公司 | Luminous diode structure of optical fiber transmission module |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003131089A (en) * | 2001-10-30 | 2003-05-08 | Tdk Corp | Semiconductor laser module with optical isolator built therein |
| JP2011118274A (en) * | 2009-12-07 | 2011-06-16 | Opnext Japan Inc | Optical receptacle |
-
2014
- 2014-02-10 CN CN201410046932.XA patent/CN103744149B/en active Active
- 2014-02-10 CN CN201510550280.8A patent/CN105044863B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1507569A (en) * | 2001-05-09 | 2004-06-23 | 浜松光子学株式会社 | Optical lens-use base material, optical lens, and method of producing optical lens |
| CN1711487A (en) * | 2002-11-12 | 2005-12-21 | 安捷伦科技有限公司 | Optical lenses |
| CN201060294Y (en) * | 2007-04-29 | 2008-05-14 | 圣威光电科技发展股份有限公司 | Luminous diode structure of optical fiber transmission module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105044863A (en) | 2015-11-11 |
| CN105044863B (en) | 2017-03-08 |
| CN103744149A (en) | 2014-04-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100562771C (en) | Improve the equipment of fiber optic coupling efficiency | |
| CN103221735A (en) | Light source apparatus, lighting apparatus, and projection-type display apparatus | |
| CN105158913A (en) | Laser source, wavelength conversion light source, light-combining light source, and projection system | |
| CN103365051B (en) | Illuminator and projector | |
| US20070292141A1 (en) | Optical signal transmitter and optical wireless communications network using it | |
| CN102436038B (en) | Optical path coupler, optical path coupling device and optical path coupling method | |
| CN103744149B (en) | Optical assembly | |
| CN105388691A (en) | Laser source device and laser projection device | |
| CN103543503B (en) | A kind of optical devices with monolithic optical module based on total internal reflection surface | |
| CN102761061A (en) | Laser source module | |
| CN102566235A (en) | Light source apparatus, light source generation method and laser projector containing light source apparatus | |
| CN102298253A (en) | Miniature silicon crystal projector | |
| CN101634752A (en) | Decohering and shimming device | |
| CN107726096A (en) | The visible light projection system of remote LED | |
| CN108107658B (en) | Light-source system, optical projection system and lighting device | |
| CN104407418A (en) | Lens optical fiber array coupling part | |
| CN102402112B (en) | Light source device, light source generation method and laser projector having same | |
| CN112514184A (en) | Optical waveguide type optical multiplexer, optical waveguide type optical multiplexer light source device, and image projection device | |
| CN111381379A (en) | Beam shaping device and projection equipment | |
| CN202771056U (en) | Wedge-shaped filter plate for secondary light receiving and sending module | |
| CN202103313U (en) | Laser source module | |
| CN104601246A (en) | Multi-channel combiner light emitter | |
| WO2019052126A1 (en) | Light source system and projection system | |
| CN201285471Y (en) | Coherence eliminating and field equalizing apparatus | |
| CN100405129C (en) | Projector and method for manufacturing projector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |