CN104459893A - Prism optical converter and optical module with same - Google Patents
Prism optical converter and optical module with same Download PDFInfo
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- CN104459893A CN104459893A CN201410770137.5A CN201410770137A CN104459893A CN 104459893 A CN104459893 A CN 104459893A CN 201410770137 A CN201410770137 A CN 201410770137A CN 104459893 A CN104459893 A CN 104459893A
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- 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
- G02B6/26—Optical coupling means
- G02B6/34—Optical coupling means utilising prism or grating
Abstract
The invention discloses a prism optical converter and an optical module with the same. The prism optical converter comprises at least two light incident planes and at least two light emitting planes, wherein the light incident planes are formed on the surface of the prism optical converter, and the light emitting planes correspond to the two light incident planes. The included angle between any two light incident planes is smaller than 180 degrees. According to the prism optical converter, the channel separation of parallel light paths is adjusted by designing the light incident planes, the light emitting planes and the light path included angle of the prism according to needs, the whole manufacturing technology is simple, the allowance is large, the reliability is high, and mass product production is easy.
Description
Technical field
The invention belongs to optical communication device manufacturing technology field, be specifically related to the optical module that a kind of prism turns light device and has it.
Background technology
In optical communication, the light of different wave length is docked to optical fiber after needing to carry out signal transacting and exports, and because the channel separation of the optical communication equipment mutually docked is different, carries out coupled transfer again after often needing that light path channel separation is adjusted to suitable scope.
In prior art, the mode usually adopted is the optical waveguide coupled transmission of PLC, or in free space, the band angle of many lens is coupled.But, the optical waveguide coupled transmission of PLC needs to use silicon photon technology, and optical waveguide and the greatest differences of single-mode fiber size cause needing extremely complicated spot-size converter (coupling mechanism) to be coupled, its technology difficulty is large, tolerance is little, cost is high, and the accuracy requirement of waveguide is very high, cause with coupling fiber difficulty very large; And in free space the complicated and tolerance of the light path design of many Lens Coupling and reliability low, be difficult to the volume production realizing product.
Summary of the invention
The application one embodiment provides a prism to turn light device, it can realize the adjustment of multipath light signal channel separation, and technique is simple, tolerance is large and cost is low, this prism turns light device and comprises at least two light entrance faces and at least two corresponding with described at least two light entrance faces respectively light-emitting faces that are formed in its surface, wherein, the angle in described at least two light entrance faces between any two light entrance faces is less than 180 degree.
In one embodiment, arbitrary with the corresponding described light-emitting face in described at least two light entrance faces be arranged in parallel.
In one embodiment, the angle between the plane that any two light entrance faces in described at least two light entrance faces limit to the direction of corresponding light-emitting face and described two light entrance faces is acute angle.
In one embodiment, the plane that any two light entrance faces in described at least two light entrance faces limit to the direction of corresponding light-emitting face is equal with the angle between described two light entrance faces.
The application one embodiment provides a kind of prism to turn light device, comprising:
First prism main body;
Be formed at least two the first light entrance faces of described first prism body surfaces and at least two corresponding with described at least two the first light entrance faces respectively the first light-emitting faces; Angle in described at least two the first light entrance faces between any two the first light entrance faces is less than 180 degree; Wherein,
The plane orthogonal that any two the first light entrance faces in described at least two the first light entrance faces limit to the direction of two corresponding light-emitting faces is in described two the first light entrance faces.
In one embodiment, arbitrary with the corresponding described light-emitting face in described at least two the first light entrance faces be arranged in parallel.
In one embodiment, also comprise:
The second prism main body corresponding with described first prism main body light path;
Be formed at least two the second light entrance faces of described second prism body surfaces and at least two corresponding with described at least two the second light entrance faces respectively the second light-emitting faces; Wherein,
Angle between the plane that any two the second light entrance faces in described at least two the second light entrance faces limit to the direction of the second corresponding light-emitting face and described two the second light entrance faces is acute angle.
In one embodiment, the plane that any two the second light entrance faces in described at least two the second light entrance faces limit to the direction of the second corresponding light-emitting face is equal with the angle between described two the second light entrance faces.
In one embodiment, arbitrary with corresponding described second light-emitting face in described at least two the second light entrance faces be arranged in parallel.
In one embodiment, described second prism main body is positioned at the far-end of described first prism main body in the light path of incident optical signal.
The application one embodiment provides a kind of optical module, comprise incident assembly, outgoing assembly and prism as above and turn light device, the light signal that described outgoing assembly sends turns after light device through described prism and imports described incident assembly into, and described prism turns light device and enters described incident assembly for the light signal guiding described outgoing assembly and send.
Compared with prior art, the technical scheme of the application by forming at least two light entrance faces simultaneously in a prism main body, and these two light entrance faces can need folder angularly to arrange to make corresponding guide-lighting path be less than the spacing at light-emitting face place in the spacing at light entrance face place according to design, ensure that the effective adjustment to optical signal channels spacing; Meanwhile, the plane of incidence and exit facet are parallel plane, lower to medium heat expansion requirements, and the temperature variant requirement of refractive index is also lower; And prism main body can need to select suitable medium according to the application of reality, and Material selec-tion is more flexible; And multiple light entrance faces can be made in same prism main body, avoid the complex optical path design of multiple Lens Coupling in free space, and overall manufacturing process is simple, tolerance is large, and reliability is high, is easy to the volume production of product.
Accompanying drawing explanation
Fig. 1 is the structural representation that the application's prism turns light device first embodiment;
Fig. 2 is the schematic top plan view that the application's prism turns light device first embodiment;
Fig. 3 is the schematic side view that the application's prism turns light device first embodiment;
Fig. 4 is the schematic top plan view that in this embodiment, prism turns light device;
Fig. 5 is the schematic side view that in this embodiment, prism turns light device;
Fig. 6 is the structural representation that the application's prism turns light device second embodiment;
Fig. 7 is the schematic top plan view that the application's prism turns light device second embodiment;
Fig. 8 is the schematic side view that the application's prism turns light device second embodiment;
Fig. 9 is the structural representation that the application's prism turns light device the 3rd embodiment;
Figure 10 is the schematic top plan view that the application's prism turns light device the 3rd embodiment;
Figure 11 is the schematic side view that the application's prism turns light device the 3rd embodiment;
Figure 12 is the structural representation that the application's prism turns light device the 4th embodiment;
Figure 13 is the structural representation that the application's prism turns light device the 5th embodiment.
Embodiment
Below with reference to embodiment shown in the drawings, the application is described in detail.But these embodiments do not limit the application, the structure that those of ordinary skill in the art makes according to these embodiments, method or conversion functionally are all included in the protection domain of the application.
Although should be understood that first, second grade of term can be used to describe various element or structure in this article, these are described the restriction that object should not be subject to these terms.These terms are only for being distinguished from each other out these description objects.Such as, the first prism main body can be called as the second prism main body, and the second prism main body also can be called as the first prism main body similarly, and this does not deviate from the protection domain of the application.
Ginseng Fig. 1 to Fig. 3, introduces the first embodiment that the application's prism turns light device 100a.In the present embodiment, this prism turns light device 100a and comprises light entrance face 21a, 22a and light-emitting face 31a, 32a.
In the present embodiment, prism turns in light device 100a and is formed with two guide-lighting path P1, and respectively corresponding two be formed in light entrance face 21a, 22a and light-emitting face 31a, 32a that prism turns light device 100a surface.Wherein, the angle between two light entrance faces 21a, 22a is less than 180 degree.Like this, when the parallel incident light of two bundles enters after prism turns light device 100a from these two light entrance faces 21a, 22a respectively, can prism turn in light device 100a in toward each other away from trend propagate towards two light-emitting faces 31a, 32a of correspondence, also namely, the channel separation between two-beam signal increases gradually.
Here, it should be noted that, " the guide-lighting path " mentioned in each embodiment of the application not has edge or the border of considered critical, it refers to that the part lens that can be used for light conducting signal between light entrance face and light-emitting face turns light device or prism main body, in each accompanying drawing, the sign of guide-lighting path is just in order to the convenience of label, and not really limits edge or the border of each guide-lighting path.
Two light entrance face 21a, the 22as corresponding respectively with guide-lighting path P1 are parallel to two light-emitting faces 31a, 32a respectively.So, when light signal from light entrance face 21a, 22a enter prism turn light device 100a and from light-emitting face 31a, 32a outgoing time, its direction of propagation can not be changed.Also namely, after turn light device 100a through prism, parallel to each other between the light signal of outgoing and the light signal of incidence.
In the present embodiment, the plane that limits to the direction of two light-emitting faces 31a, 32a of two light entrance faces 21a, 22a and the angle between two light entrance faces 21a, 22a equal 90 degree.Also namely light signal, after turned light device 100a by prism, can not produce longitudinal skew.
It should be noted that, " prism turns light device, prism main body " in each embodiment of the application is set to a light transmission medium with uniform thickness usually, described light entrance face and light-emitting face are all formed in this prism and turn on the lateral margin in light device or prism body thickness direction, in embodiment similar like this, namely the plane that said light entrance face 21a, 22a limit to the direction of light-emitting face 31a, 32a also refers to turn with this prism the parallel plane of upper and lower surperficial 101a, 102a of light device 100a.Simultaneously, said " vertical misalignment " that is to say and refer to that light signal turns the skew in light device or prism body thickness direction at prism, and said " lateral excursion " that is to say and refer to that light signal is projected in the skew after in plane that light entrance face 21a, 22a limit to the direction of light-emitting face 31a, 32a.
Ginseng Fig. 4 to Fig. 5, certainly, in the embodiment that some are replaced, prism main body 10 also may be made as has uneven thickness, in such embodiment, in fact light entrance face 21,22 refers to light-emitting face 31,32 direction T1, T2: light entrance face 21,22 and the corresponding vectorial line direction with minimum spacing place of light-emitting face 31,32.Now, correspondence obtains the planar S that limited to light-emitting face 31,32 direction T1, T2 by light entrance face 21,22.Such embodiment does not affect the enforcement of the skill content of the application, should be regarded as within the protection domain of the application yet.
Continue ginseng Fig. 1 to Fig. 3, here, the side-play amount offset computing formula of any light beam signal when entering corresponding light entrance face 21a, 22a and self-corresponding light-emitting face 31a, 32a outgoing is as follows:
Offset=L*sin (a1-a2); Wherein, L is the distance between light entrance face and light-emitting face, and a1 is the incident angle of light signal, and a2 is that light signal is entering the refraction angle produced after prism turns light device 100a.
Ginseng Fig. 6 to Fig. 8, introduces the second embodiment that the application's prism turns light device 100b.In the present embodiment, this prism turns light device 100b and comprises light entrance face 21b, 22b and light-emitting face 31b, 32b.
In the present embodiment, prism turns in light device 100b and is formed with two guide-lighting path P1, and respectively corresponding two be formed in light entrance face 21b, 22b and light-emitting face 31b, 32b that prism turns light device 100b surface.Wherein, the angle between two light entrance faces 21b, 22b is less than 180 degree.Like this, when the parallel incident light of two bundles enters after prism turns light device 100b from these two light entrance faces 21b, 22b respectively, can prism turn in light device 100b in toward each other away from trend propagate towards two light-emitting faces 31b, 32b of correspondence, also namely, the channel separation between two-beam signal increases gradually.
Two light entrance face 21b, the 22bs corresponding respectively with guide-lighting path P1 are parallel to two light-emitting faces 31b, 32b respectively.So, when light signal from light entrance face 21b, 22b enter prism turn light device 100b and from light-emitting face 31b, 32b outgoing time, its direction of propagation can not be changed.Also namely, after turn light device 100b through prism, parallel to each other between the light signal of outgoing and the light signal of incidence.
In the present embodiment, the plane (i.e. plane 101b, 102b) that limits to the direction of two light-emitting faces 31b, 32b of two light entrance faces 21b, 22b and the angle between two light entrance faces 21b, 22b are acute angle.Also namely light signal, after turned light device 100b by prism, can produce the skew of horizontal and vertical both direction respectively.Here, the plane that two light entrance faces 21b, 22b limit to the direction of two light-emitting faces 31b, 32b is equal with the angle between two light entrance faces 21b, 22b, equal to ensure light signal degrees of offset in the vertical further.
Here, the side-play amount offset computing formula of any light beam signal when entering corresponding light entrance face 21b, 22b and self-corresponding light-emitting face 31b, 32b outgoing is as follows:
Offset=
; Wherein, L is the distance between light entrance face and light-emitting face, and a1 is the incident angle of light signal, and a2 is that light signal is entering the refraction angle produced after prism turns light device 100b.
Ginseng Fig. 9 to Figure 11, introduces the 3rd embodiment that the application's prism turns light device 100c.In the present embodiment, this prism turns light device 100c and comprises light entrance face 21c, 22c, 23c, 24c and light-emitting face 31c, 32c, 33c, 34c.
In the present embodiment, prism turns in light device 100c and is formed with four guide-lighting path P1, and respectively corresponding four be formed in light entrance face 21c, 22c, 23c, 24c and light-emitting face 31c, 32c, 33c, 34c that prism turns light device 100c surface.Wherein, the angle between any two light entrance faces is less than 180 degree.Like this, when the parallel incident light of four bundles enters after prism turns light device 100c from these four light entrance faces 21c, 22c, 23c, 24c respectively, can prism turn in light device 100c in toward each other away from trend propagate towards four light-emitting faces 31c, 32c, 33c, 34c of correspondence, also namely, the channel separation between four bundle light signals increases gradually.
Four light entrance face 21c, 22c, 23c, the 24cs corresponding respectively with guide-lighting path P1 are parallel to four light-emitting faces 31c, 32c, 33c, 34c respectively.So, when light signal from light entrance face 21c, 22c, 23c, 24c enter prism turn light device 100c and from light-emitting face 31c, 32c, 33c, 34c outgoing time, its direction of propagation can not be changed.Also namely, after turn light device 100c through prism, parallel to each other between the light signal of outgoing and the light signal of incidence.
In the present embodiment, the plane (i.e. plane 101c, 102c) that limits to the direction of light-emitting face 31c, 32c, 33c, 34c of light entrance face 21c, 22c, 23c, 24c and the angle between light entrance face 21c, 22c, 23c, 24c are acute angle.Also namely light signal, after turned light device 100c by prism, can produce the skew of horizontal and vertical both direction respectively.Here, the plane that light entrance face 21c, 22c, 23c, 24c limit to the direction of light-emitting face 31c, 32c, 33c, 34c is equal with the angle between light entrance face 21c, 22c, 23c, 24c, equal to ensure light signal degrees of offset in the vertical further.
Here, the side-play amount offset computing formula of any light beam signal when entering corresponding light entrance face 21c, 22c, 23c, 24c and self-corresponding light-emitting face 31c, 32c, 33c, 34c outgoing is as follows:
Offset=
; Wherein, L is the distance between light entrance face and light-emitting face, and a1 is the incident angle of light signal, and a2 is that light signal is entering the refraction angle produced after prism turns light device 100c.
In one embodiment, the angle between any two adjacent light entrance faces is equal, to ensure to provide uniform channel separation regulating power to the light signal in each plane of incidence incidence.
Ginseng Figure 12, introduces the 4th embodiment that the application's prism turns light device 100d.In the present embodiment, this prism turns light device 100d and comprises the first prism main body 11d, the second prism main body 12d first light entrance face 21d, 22d, the second light entrance face 41d, 42d, first light-emitting face 31d, 32d and second light-emitting face 51d, 52d.
In the present embodiment, in the first prism main body 11d, be formed with two the first guide-lighting path P1, and correspondence two is formed in first light entrance face 21d, 22d and first light-emitting face 31d, the 32d on the first prism main body 11d surface respectively.Wherein, the angle between two first light entrance faces 21d, 22d is less than 180 degree.Like this, when two restraint parallel incident light respectively after these two first light entrance faces 21d, 22d enter the first prism main body 11d, can in the first prism main body 11d in toward each other away from trend propagate towards two first light-emitting faces 31d, 32d of correspondence, also namely, the channel separation between two-beam signal increases gradually.
Two first light entrance face 21d, the 22ds corresponding respectively with the first guide-lighting path P1 are parallel to two first light-emitting faces 31d, 32d respectively.So, when light signal from first light entrance face 21d, 22d enter the first prism main body 11d and from first light-emitting face 31d, 32d outgoing time, its direction of propagation can not be changed.Also namely, after the first prism main body 11d, parallel to each other between the light signal of outgoing and the light signal of incidence.
Angle between the plane that the direction of first light entrance face 21d, 22d to first light-emitting face 31d, 32d limits and first light entrance face 21d, 22d equals 90 degree.Also namely light signal, by after the first prism main body 11d, can not produce longitudinal skew.
Here, the side-play amount offset1 computing formula of any light beam signal when entering first corresponding light entrance face 21d, 22d and self-corresponding first light-emitting face 31d, 32d outgoing is as follows:
Offset1=L1*sin (a1-a2); Wherein, L1 is the distance between the first light entrance face and the second light-emitting face, a1 be light signal relative to the first prism main body, incident angle, a2 is the refraction angle that light signal produces after entering the first prism main body.
Second prism main body 12d is corresponding with the light path of the first prism main body 11d, and the second prism main body 12d is positioned at the far-end of the first prism main body 11d in the light path of incident light light signal, and the first prism main body 11d and the second prism main body 12d is fixed relative to one another.Be formed with two the second guide-lighting path P2s corresponding with two the first guide-lighting path P1 in the first prism main body 11d in second prism main body 12d, and correspondence two is formed in second light entrance face 41d, 42d and second light-emitting face 51d, the 52d on the second prism main body 12d surface respectively.In present embodiment, these two second light entrance faces 41d, 42d are in the same plane, and corresponding two second light-emitting faces 51d, 52d and this two light entrance faces 41d, 42d are parallel, can not change the direction of propagation with what ensure light signal.It should be noted that, said in each embodiment of the application " light path is corresponding " namely refers in the first prism main body and the second prism main body to there is guide-lighting path corresponding separately from each other, and the light signal that in the first prism main body one guide-lighting path P1 propagates can guide in the guide-lighting path P2 in the second prism main body with being now uniquely determined.
Angle between the plane that the direction of second light entrance face 41d, 42d to second light-emitting face 51d, 52d limits and second light entrance face 41d, 42d is acute angle.Also namely light signal, by after the second prism main body 12d, can produce longitudinal skew.
Here, the side-play amount offset2 computing formula of any light beam signal when entering second corresponding light entrance face 41d, 42d and self-corresponding second light-emitting face 51d, 52d outgoing is as follows:
Offset2=L2*sin (a3-a4); Wherein, L2 is the distance between the second light entrance face and the second light-emitting face, and a3 is the incident angle relative to the second prism main body of light signal, and a4 is the refraction angle that light signal produces after entering the second prism main body.
Can learn further, the side-play amount offset computing formula of any light beam signal after the prism by present embodiment turns light device 100d is as follows:
offset=
。
Ginseng Figure 13, introduces the 4th embodiment that the application's prism turns light device 100e.In the present embodiment, this prism turns light device 100e and comprises the first prism main body 11e, the second prism main body 12e, the first light entrance face 21e, 22e, 23e, 24e, the second light entrance face 41e, 42e, 43e, 44e, first light-emitting face 31e, 32e, 33e, 34e and second light-emitting face 51e, 52e, 53e, 54e.
In the present embodiment, be formed with four the first guide-lighting path P1 in first prism main body 11e, and correspondence four is formed in first light entrance face 21e, 22e, 23e, 24e and first light-emitting face 31e, 32e, 33e, the 34e on the first prism main body 11e surface respectively.Wherein, any angle between two first light entrance faces 21e, 22e, 23e, 24e is less than 180 degree.Like this, when four restraint parallel incident light respectively after these four first light entrance faces 21e, 22e, 23e, 24e enter the first prism main body 11e, can in the first prism main body 11e in toward each other away from trend propagate towards four first light-emitting faces 31e, 32e, 33e, 34e of correspondence, also namely, the channel separation between four bundle light signals increases gradually.
Four first light entrance face 21e, 22e, 23e, the 24es corresponding respectively with the first guide-lighting path P1 are parallel to four first light-emitting faces 31e, 32e, 33e, 34e respectively.So, when light signal from first light entrance face 21e, 22e, 23e, 24e enter the first prism main body 11e and from first light-emitting face 31e, 32e, 33e, 34e outgoing time, its direction of propagation can not be changed.Also namely, after the first prism main body 11e, parallel to each other between the light signal of outgoing and the light signal of incidence.
Angle between the plane that the direction of first light entrance face 21e, 22e, 23e, 24e to first light-emitting face 31e, 32e, 33e, 34e limits and first light entrance face 21e, 22e, 23e, 24e equals 90 degree.Also namely light signal, by after the first prism main body 11e, can not produce longitudinal skew.
Here, the side-play amount offset1 computing formula of any light beam signal when entering first corresponding light entrance face 21e, 22e, 23e, 24e and self-corresponding first light-emitting face 31e, 32e, 33e, 34e outgoing is as follows:
Offset1=L1*sin (a1-a2); Wherein, L1 is the distance between the first light entrance face and the second light-emitting face, and a1 is the incident angle relative to the first prism main body of light signal, and a2 is the refraction angle that light signal produces after entering the first prism main body.
Second prism main body 12e is corresponding with the light path of the first prism main body 11e, and the second prism main body 12e is positioned at the far-end of the first prism main body 11e in the light path of unpolarized light beam, and the first prism main body 11e and the second prism main body 12e is fixed relative to one another.Be formed with four the second guide-lighting path P2s corresponding with four the first guide-lighting path P1 in the first prism main body 11e in second prism main body 12e, and correspondence four is formed in second light entrance face 41e, 42e, 43e, 44e and second light-emitting face 51e, 52e, 53e, the 54e on the second prism main body 12e surface respectively.In present embodiment, these four second light entrance faces 41e, 42e, 43e, 44e are in the same plane, and, corresponding four second light-emitting faces 51e, 52e, 53e, 54e are parallel with these four second light entrance faces 41e, 42e, 43e, 44e, can not change the direction of propagation with what ensure light signal.
Angle between the plane that the direction of second light entrance face 41e, 42e, 43e, 44e to second light-emitting face 51e, 52e, 53e, 54e limits and second light entrance face 41e, 42e, 43e, 44e is acute angle.Also namely light signal, by after the second prism main body 12e, can produce longitudinal skew.
Here, the side-play amount offset2 computing formula of any light beam signal when entering second corresponding light entrance face 41e, 42e, 43e, 44e and self-corresponding second light-emitting face 51e, 52e, 53e, 54e outgoing is as follows:
Offset2=L2*sin (a3-a4); Wherein, L2 is the distance between the second light entrance face and the second light-emitting face, and a3 is the incident angle relative to the second prism main body of light signal, and a4 is the refraction angle that light signal produces after entering the second prism main body.
Can learn further, the side-play amount offset computing formula of any light beam signal after the prism by present embodiment turns light device 100e is as follows:
offset=
。
In more how unshowned embodiment, the light entrance face of other quantity can be set in prism main body, to carry out channel separation adjustment to the light signal of multiple light path number access according to design requirement.Further, the first prism main body and the second prism main body also can need to be set to have horizontal/longitudinal/horizontal and vertical light signal regulatory function respectively according to design, and these embodiments all should belong within the protection domain of the application.
In addition, the application also provides a kind of prism applied shown by the respective embodiments described above to turn the optical module of light device, this optical module comprises incident assembly and outgoing assembly, wherein, the light signal that outgoing assembly sends turns after light device through prism and imports incident assembly into, and prism turns light device and enters incident assembly for the light signal guiding outgoing assembly and send.Utilize prism to turn light device to regulate the channel separation of light signal and the direction of propagation, can ensure that light signal is coupled into incident assembly better; Further, owing to not relating to the improvement to other function of optical module or structure herein, therefore do not repeat at this.
The application passes through above-described embodiment, there is following beneficial effect: the technical scheme of the application by forming at least two light entrance faces simultaneously in a prism main body, and these two light entrance faces can need folder angularly to arrange to make corresponding guide-lighting path be less than the spacing at light-emitting face place in the spacing at light entrance face place according to design, ensure that the effective adjustment to optical signal channels spacing; Meanwhile, the plane of incidence and exit facet are parallel plane, lower to medium heat expansion requirements, and the temperature variant requirement of refractive index is also lower; And prism main body can need to select suitable medium according to the application of reality, and Material selec-tion is more flexible; And multiple light entrance faces can be made in same prism main body, avoid the complex optical path design of multiple Lens Coupling in free space, and overall manufacturing process is simple, tolerance is large, and reliability is high, is easy to the volume production of product.
Be to be understood that, although this instructions is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should by instructions integrally, technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
A series of detailed description listed is above only the illustrating of feasibility embodiment for the application; they are also not used to the protection domain limiting the application, and the equivalent implementations that all the application's of disengaging skill spirit is done or change all should be included within the protection domain of the application.
Claims (11)
1. a prism turns light device, it is characterized in that, comprise at least two light entrance faces and at least two corresponding with described at least two light entrance faces respectively light-emitting faces that are formed in its surface, wherein, the angle in described at least two light entrance faces between any two light entrance faces is less than 180 degree.
2. prism according to claim 1 turns light device, it is characterized in that, arbitrary with the corresponding described light-emitting face in described at least two light entrance faces be arranged in parallel.
3. prism according to claim 1 and 2 turns light device, it is characterized in that, the angle between the plane that any two light entrance faces in described at least two light entrance faces limit to the direction of corresponding light-emitting face and described two light entrance faces is acute angle.
4. prism according to claim 3 turns light device, it is characterized in that, the plane that any two light entrance faces in described at least two light entrance faces limit to the direction of corresponding light-emitting face is equal with the angle between described two light entrance faces.
5. prism turns a light device, it is characterized in that, comprising:
First prism main body;
Be formed at least two the first light entrance faces of described first prism body surfaces and at least two corresponding with described at least two the first light entrance faces respectively the first light-emitting faces; Angle in described at least two the first light entrance faces between any two the first light entrance faces is less than 180 degree; Wherein,
The plane orthogonal that any two the first light entrance faces in described at least two the first light entrance faces limit to the direction of two corresponding light-emitting faces is in described two the first light entrance faces.
6. prism according to claim 5 turns light device, it is characterized in that, arbitrary with the corresponding described light-emitting face in described at least two the first light entrance faces be arranged in parallel.
7. the prism according to claim 5 or 6 turns light device, it is characterized in that, also comprises:
The second prism main body corresponding with described first prism main body light path;
Be formed at least two the second light entrance faces of described second prism body surfaces and at least two corresponding with described at least two the second light entrance faces respectively the second light-emitting faces; Wherein,
Angle between the plane that any two the second light entrance faces in described at least two the second light entrance faces limit to the direction of the second corresponding light-emitting face and described two the second light entrance faces is acute angle.
8. prism according to claim 7 turns light device, it is characterized in that, the plane that any two the second light entrance faces in described at least two the second light entrance faces limit to the direction of the second corresponding light-emitting face is equal with the angle between described two the second light entrance faces.
9. prism according to claim 7 turns light device, it is characterized in that, arbitrary with corresponding described second light-emitting face in described at least two the second light entrance faces be arranged in parallel.
10. prism according to claim 7 turns light device, it is characterized in that, described second prism main body is positioned at the far-end of described first prism main body in the light path of incident optical signal.
11. 1 kinds of optical modules, comprise incident assembly and outgoing assembly, it is characterized in that, the prism also comprised as above described in any one claim turns light device, the light signal that described outgoing assembly sends turns after light device through described prism and imports described incident assembly into, and described prism turns light device and enters described incident assembly for the light signal guiding described outgoing assembly and send.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410770137.5A CN104459893A (en) | 2014-12-15 | 2014-12-15 | Prism optical converter and optical module with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410770137.5A CN104459893A (en) | 2014-12-15 | 2014-12-15 | Prism optical converter and optical module with same |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6661577B1 (en) * | 2002-09-17 | 2003-12-09 | Jds Uniphase Corporation | Wavelength-selective laser beam splitter |
| CN101981488A (en) * | 2008-04-02 | 2011-02-23 | 惠普发展公司，有限责任合伙企业 | Prism beamsplitters |
| CN102004320A (en) * | 2010-09-30 | 2011-04-06 | 北京工业大学 | High-power semiconductor laser array fast and slow axis beam quality homogenization device |
| JP2014211611A (en) * | 2013-04-05 | 2014-11-13 | 住友電工デバイス・イノベーション株式会社 | Optical module |
-
2014
- 2014-12-15 CN CN201410770137.5A patent/CN104459893A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6661577B1 (en) * | 2002-09-17 | 2003-12-09 | Jds Uniphase Corporation | Wavelength-selective laser beam splitter |
| CN101981488A (en) * | 2008-04-02 | 2011-02-23 | 惠普发展公司，有限责任合伙企业 | Prism beamsplitters |
| CN102004320A (en) * | 2010-09-30 | 2011-04-06 | 北京工业大学 | High-power semiconductor laser array fast and slow axis beam quality homogenization device |
| JP2014211611A (en) * | 2013-04-05 | 2014-11-13 | 住友電工デバイス・イノベーション株式会社 | Optical module |
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