CN103744149A - Optical component - Google Patents
Optical component Download PDFInfo
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- CN103744149A CN103744149A CN201410046932.XA CN201410046932A CN103744149A CN 103744149 A CN103744149 A CN 103744149A CN 201410046932 A CN201410046932 A CN 201410046932A CN 103744149 A CN103744149 A CN 103744149A
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- Prior art keywords
- convex lens
- pedestal
- laser instrument
- light
- body element
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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
- G02B6/42—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
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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
- G02B6/42—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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention provides an optical component. The optical component comprises a main body element made of a transmitting material and a base body, wherein a mounting groove is formed in the main body element; the base body is inserted into the mounting groove; an optical isolator is embedded inside the base body to enable the light transmitted by a laser device to be incident to optical fiber in a single direction. In the optical component, as the mounting groove is formed in the main body element, and the base body embedded with the optical isolator is inserted into the mounting groove, the optical isolator can isolate the light reflected by the optical fiber fracture surface, and the light emitted by the laser device can be incident to the optical fiber in the single direction, so as to prevent the reflected light to the laser device, further avoid the laser device from influence of light reflected back. Compared to the prior art, the optical component can improve the performance of the laser device. In addition, the volume of the optical isolator is large, and when the optical isolator is embedded in the mounting groove, the optical component is not limited by the light convergence hole, so that the optical component is convenient to mount, and the mounting efficiency of the optical component can be improved.
Description
Technical field
The present invention relates to Fibre Optical Communication Technology, relate in particular 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 of realizing photoelectricity or electric light 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 consists 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, optical fiber is installed.In optical interface 4 one sides, be provided with a convergence of rays hole (not shown in FIG.), the body element 1 of one end, convergence of rays hole is curved-surface structure, forms convex lens 3.The only diverging light of generally launching from laser instrument 2, enters body element 1, and planoconvex lens 3 is assembled rear coupled into optical fibres.
But present inventor realizing in the process of invention technical scheme in the embodiment of the present application, finds that above-mentioned technology at least exists following technical matters:
The light that laser instrument sends is in the process that is coupled to optical fiber, understanding some reflects through profile of optic fibre, the light reflecting is understood some and is again entered into laser instrument, if the DFP laser instrument of laser instrument employing 1310 and 1550nm, the light being reflected so to affect meeting larger, cause the luminous degradation of laser instrument.
And optoisolator is the necessary device that guarantees light one-way transmission, an optoisolator is installed between lasing light emitter and optical fiber, can reduce to a great extent the harmful effect that reflected light produces the spectrum output power stability of light source, also can eliminate the additional noise that reverse transfer light produces.So just need in this structure, add optoisolator.
If optoisolator is set in optical assembly; those skilled in the art conventionally can be in the following way: optoisolator is arranged on to light in body element and is coupled into the position before optical fiber; be shown in Fig. 1 in the convergence of rays hole in structure; but because the volume of optoisolator is larger; be subject to 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 overcoming the defect existing under prior art structure, realize the installation of optoisolator in prior art structure.
The invention provides a kind of optical assembly, this optical assembly comprises body element and the pedestal by light-transmitting materials, made;
In described body element, offer a mounting groove, described pedestal inserts in described mounting groove, at the inner embedding of described pedestal one optoisolator, so that unidirectional being incident in optical fiber of light of laser instrument transmitting.
As a kind of embodiment of above-described embodiment:
Described body element is provided with a cavity, described laser instrument is arranged in described cavity, described mounting groove is communicated with described cavity, in described pedestal, towards a side of described laser instrument, be provided with the first convex lens and described the first convex lens is exposed in described cavity, so that the light of described laser instrument transmitting enters in described optoisolator after described the first convex lens collimates.
As one of improvement project of above-mentioned embodiment:
Described laser instrument, described the first convex lens and described optoisolator coaxially arrange.
As two of the improvement project of above-mentioned embodiment:
The side that described pedestal is relative with described the first convex lens offers blind hole, and described optoisolator is arranged in described blind hole.
As three of the improvement project of above-mentioned embodiment:
In described pedestal, towards a side of described laser instrument, be provided with boss above described the first convex lens, so that be provided with the described pedestal of described the first convex lens, plug to described mounting groove.
Preferably:
Described boss, with respect to the vertical range of the pedestal side at place, is more than or equal to the vertical range of described the first convex lens with respect to described side.
As the another kind of embodiment of above-described embodiment:
In described body element, be provided with optical fiber mounting hole, described optical fiber is arranged in affiliated optical fiber mounting hole; A side at described optical fiber mounting hole in described body element is provided with convergence of rays hole, and described convergence of rays hole is communicated with described optical fiber mounting hole.
As the improvement project further of 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, so that the light of described the first convex lens collimation enters in described convergence of rays hole after described the second convex lens is assembled.
As the preferred version of above-mentioned embodiment:
Described optoisolator is coaxial with described convergence of rays hole and described optical fiber mounting hole.
On the basis of above-described embodiment:
In the cavity of described body element, be provided with pad, described laser instrument is arranged on described pad.
Optical assembly provided by the invention, part in body element between laser instrument and optical fiber is offered a mounting groove, in this mounting groove, be inserted with the pedestal of embedded optoisolator, the light that optoisolator can reflect profile of optic fibre is isolated, the light of laser instrument transmitting can be unidirectionally incident in optical fiber, to prevent that this reflected light from entering laser instrument, thereby can avoid the impact of the light that laser instrument reflected, prior art can improve the performance of laser instrument relatively.In addition, because the volume of optoisolator is larger, be embedded into the restriction that can not be subject to convergence of rays hole size in mounting groove, therefore, be convenient to install, improved 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 mono-
As shown in Figure 2, the invention process provides a kind of optical assembly, comprising: the body element 1 of being made by light-transmitting materials and pedestal 6; In body element 1, offer a mounting groove 11, pedestal 6 inserts in mounting groove 11, at the inner optoisolator 7 that embeds of pedestal 6, so that the light that laser instrument 2 is launched is unidirectional, is incident in optical fiber.
Optical assembly provided by the invention, part in body element between laser instrument and optical fiber is offered a mounting groove 11, in this mounting groove 11, be inserted with the pedestal 6 of embedded optoisolator, the light that optoisolator 7 can reflect profile of optic fibre is isolated, can reduce to a great extent the harmful effect that reflected light produces the spectrum output power stability of light source, also can eliminate the annex noise that reverse transfer light produces.The light that laser instrument 2 is launched can be unidirectionally incident in optical fiber, to prevent that this reflected light from entering laser instrument, thereby can avoid the impact of the light that laser instrument 2 reflected, prior art can improve the performance of laser instrument 2 relatively.In addition, because the volume of optoisolator 7 is larger, be embedded into the restriction that can not be subject to convergence of rays hole size in mounting groove 11, therefore, be convenient to install, improved the installation effectiveness of optical assembly.
In Fig. 2, on pedestal 6, in one side direction, offer a blind hole 61, 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 unidirectional being incident in optical fiber of light that optoisolator 7 is launched laser instrument 2.For example: blind hole 61 can be offered towards a side of laser instrument 2 in pedestal 6, or, also can in pedestal 6, towards a side of optical fiber, offer.
The light-transmitting materials here 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., at this, the composition of material is not limited, 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 a side of optical fiber in pedestal 6, i.e. situation shown in Fig. 2, because pedestal 6 is made by transparent material, therefore, the light that laser instrument 2 sends can see through pedestal 6 and enter in the optoisolator 7 being arranged in blind hole 61.
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 consists of wave plate.On the one hand, the light that profile of optic fibre reflects can be blocked by magnet; On the other hand, from entering wave plate, the light of laser instrument 2 outgoing can there are 45 degree deflections, and the light that profile of optic fibre reflects enters wave plate 45 degree deflections occurs again, be equivalent to reflected light after wave plate with respect to the light deflection of laser instrument 2 original outgoing 90 degree, therefore by wave plate, isolated out completely.And the light that laser instrument 2 sends is divergent shape, if but the light that enters isolator too disperse, the light of a lot of laser instrument 2 incidents also can be blocked by magnet, thus make to enter into the light of optical fiber can become seldom.Therefore, as preferred version, 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, in pedestal 6, towards a side of laser instrument 2, is provided with the first convex lens 8 and the first convex lens 8 is exposed in cavity 5 so that the light that laser instrument 2 is launched through the first convex lens 8 collimate laggard enter in optoisolator 7.It should be noted that, in pedestal 6, towards a side of laser instrument 2, be provided with the first convex lens 8, blind hole 61 for to offer towards a 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, in this mounting groove 11, plug pedestal 6, in this pedestal 6 towards processing the first convex lens 8 on the side of laser instrument 2 and this first convex lens 8 is exposed in cavity 5, thereby the light that laser instrument 2 sends can be irradiated on this first convex lens 8, the light that this first convex lens 8 can send laser instrument 2 outgoing that collimates, be that 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, can reduce magnet blocking optical fiber, thereby can make more light can 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 guarantee that parallel beam enters in optical fiber, without the first convex lens 8 is located in body element 1, after body element 1 moulding without carrying out withdrawing pattern, can not cause the first convex lens 8 can be impaired when withdrawing pattern, while processing the first convex lens in body element 1, the demoulding is more difficult, adopt a mould to complete, therefore also avoided the moulding of the first convex lens 8 to bring the problem of demoulding difficulty and processing difficulties; Pedestal 6 can generate by mold releasability smoothly when forming the first convex lens 8, is easy to processing and forming; Avoid the impaired of the first convex lens 8, thereby improved yield rate.
Further, in order to reduce the loss of luminous energy in optic path process, laser instrument 2, the first convex lens 8 and optoisolator 7 coaxially arrange.The light source transmitting aperture center line 2a that specifically refers to 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 are higher, the collimated light beam that the divergent beams that send through laser instrument 2 light source transmitting apertures form after the first convex lens 8 refractions 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 guarantee that parallel beam is all transmitted by individual event by optoisolator, reflected arrive laser instrument light to affect meeting less, the luminous performance of laser instrument is better; The illumination that laser instrument 2 sends is mapped on this first convex lens 8, after the first convex lens 8 collimations, pass through again optoisolator 7, in the case of the shape of the shape of the distance between the angle of divergence, laser instrument 2 and first convex lens 8 of laser instrument 2, the first convex lens 8 and size, optoisolator 7 and size are all fixing, can guarantee most light one-way transmissions that laser instrument 2 sends, finally 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 arrange, the right alignment of the center line 4a of the first convex lens center line 8a and optical fiber is higher, in the situation that selecting fibre diameter and collimated beam diameter to be equal to, the light beam scope receiving is larger, and is easy to again assemble before collimated light beam is entering optical fiber, to reduce light beam decay in transmitting procedure in optical fiber.
In above-described embodiment one, during use, only optoisolator 7 fixedly need be embedded in the blind hole 61 of pedestal 6, optoisolator 7 and blind hole 61 clearance fit, between optoisolator 7 and blind hole inwall, can bond by glue-line fixing, the Optical isolator module of again pedestal 6 and optoisolator 7 being assembled to rear formation inserts in the mounting groove 11 that is arranged on body element 1, because the relative body element 1 in the position of the first convex lens 8 is fixing, therefore the first convex lens central axis 8a is with to be located at mounting groove 11 bottom surfaces distances in body element certain; And the first convex lens 8 can be by being guaranteed with the aligned position relation of optoisolator 3 when processing pedestal 6, as long as blind hole 61 and the mismatch error of optoisolator 7 are controlled at and can guarantee aiming at of the first convex lens 8 and optoisolator 7 in preset range, the collimated light beam forming after the first convex lens 8 can pass through optoisolator 7 one-way transmissions, and optoisolator can be fixed on needed position easily and accurately.
In addition, in above-described embodiment one, due to the first convex lens 8 is processed on the pedestal separation with body element 16, on this pedestal 6, also there is the blind hole 61 for optoisolator 7 is installed simultaneously, adopt the pedestal 6 of said structure, first, when making pedestal 6, just can guarantee the position relationship of the first convex lens 8 and blind hole 61, as long as guarantee that blind hole 61 and the mismatch error of optoisolator 7 are controlled in preset range, 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 forming can be all by endoporus 71 one-way transmissions of optoisolator after the first convex lens 8, 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 control the first convex lens 8 and the relative position of blind hole 61 and shape and size separately, when square pedestal is installed in body element, also easily locate, and be difficult for rotating.
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, can pass through the center line 8a of form tolerance control the first convex lens of mould and the right alignment of the center line 61b of blind hole, as long as by the tolerance on fit control of optoisolator and blind hole in the reasonable scope, just can guarantee that the collimated light beam forming through the first convex lens refraction all passes 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 a side of laser instrument, be provided with boss 62 above the first convex lens 8, so that be provided with the pedestal 6 of the first convex lens 8, plug to mounting groove 11.The first convex lens 8 outwards protrudes out with respect to side 6b, and the boss 62 of the first convex lens 8 tops also outwards protrudes out with respect to side 6b.Boss 62, with respect to the vertical range of the pedestal side 6b at place, is more than or equal to the vertical range of described the first convex lens 8 with respect to described side.
When Optical isolator module is installed, for the side that makes pedestal 6 fully contacts and fixes with mounting groove 11 sides, boss 62 is set, side by boss 62 contacts and fixes with mounting groove 11 inwalls, can avoid the first convex lens 8 to wear and tear in installation process, can make again pedestal 6 fully contact with mounting groove 11 inwalls; In addition, during fixed base frame 6, need on pedestal 6, apply glue, by glue bond fixed base frame 6 and body element 1, in installation process, the glue that boss 62 has protected the surface of the first convex lens 8 not to be applied on boss 62 pollutes.Boss 62, with respect to the vertical range of pedestal 6 sides at place, is more than or equal to the vertical range of the first convex lens 8 with respect to described side, better positioning seat body 6 and protection the first convex lens 8.Fig. 8 is the another kind of distressed structure of pedestal 6, has a groove on pedestal 6, forms the first convex lens 8 on the bottom surface of this groove.Also can understand like this, in the first convex lens 8 above and belows, all there is boss 62, easily install.
Embodiment bis-
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; A side at optical fiber mounting hole 12 in body element 1 is provided with convergence of rays hole 13, and 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 13 one end, convergence of rays hole is curved-surface structure, forms the second convex lens 9 so that the light that the first convex lens 8 collimates through the second convex lens 9 assemble laggard enter in convergence of rays hole 13.
The second convex lens 9 is exposed in convergence of rays hole 13 for the parallel beam that is transmitted in body element is assembled, after assembling, enter again optical fiber in convergence of rays hole 13, prevent that parallel beam from causing a large amount of decay of light after body element out directly enters optical fiber.
When making body element 1, the moulding of cavity 5 and mounting groove 11 as shown in Figure 9, all can be passed through withdrawing pattern moulding, the normal demoulding, does not have difficulties, and the moulding in optical fiber mounting hole 12 and convergence of rays hole 13 all can be passed through a mould molding, the normal demoulding of withdrawing pattern to the right, does not also have difficulties.
As preferred version, optoisolator 7 is coaxial with convergence of rays hole 13 and optical fiber mounting hole 12.
In order to guarantee the transmission quality in optical fiber through body element 1 light beam out, the one end away from the first convex lens 11 in body element 1 inwardly has a mounting hole 12 for installing optical fibres and a convergence of rays hole 13 successively from this end face; Mounting hole 12 coaxially arranges with convergence of rays hole 13; Convergence of rays hole 13 is between pedestal 6 and optical fiber; The bottom surface in convergence of rays hole 13 is for being transmitted in the collimated beam of body element 1 at second convex lens 9 in convergence of rays hole 13; The 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 coaxially arranges.
The divergent beams of launching through laser instrument 2 form collimation parallel beam after the first convex lens 8 refractions, through pedestal 6 out time, because collimated light beam is perpendicular to pedestal 6 planes 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, after the second convex lens 9, in convergence of rays hole 13, assemble and be a bit, finally enter optical fiber, be conducive to the high efficiency of transmission of light in optical fiber.
When laser instrument 2 is installed, need to adjust the high and low position of laser instrument 2, make the center line of light source transmitting aperture be positioned at certain altitude, this height need to be determined in conjunction with the height of the center line 8a of the first convex lens on the bottom surface height of mounting groove 11 and pedestal, just can reach requirement; Also need to adjust the horizontal shift of laser instrument 2 and the first convex lens 8 simultaneously, the divergent beams that send through laser instrument 2 right side light source transmitting apertures can just in time all be beaten on the first convex lens 8, thereby the loss of avoiding light to cause in long Distance Transmission process, below laser instrument 2, be arranged on pad 30, to adjust perpendicular displacement and the horizontal shift of laser instrument 2.The divergent beams that the accurate and laser instrument 2 of assurance optoisolator installation site sends can be all collimated and be parallel beam by the first convex lens 8.
For convenience of installing, between optoisolator 7 and pedestal 6, all bond and fix by glue-line between pedestal 6 and body element 1 and between optical fiber and body element 1.
In the cavity 5 of body element, be provided with pad 30, laser instrument 2 is arranged on pad 30.Pad 30 is for supporting laser instrument 2, and adjusts according to the actual requirements the position of laser instrument 2, to meet the coaxial setting of laser instrument 2 and the first convex lens 8.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications 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 (10)
1. an optical assembly, is characterized in that, comprising: the body element of being made by light-transmitting materials and pedestal;
In described body element, offer a mounting groove, described pedestal inserts in described mounting groove, at the inner embedding of described pedestal one optoisolator, so that unidirectional being incident in optical fiber of light of laser instrument transmitting.
2. optical assembly according to claim 1, it is characterized in that, described body element is provided with a cavity, described laser instrument is arranged in described cavity, described mounting groove is communicated with described cavity, in described pedestal, towards a side of described laser instrument, be provided with the first convex lens and described the first convex lens is exposed in described cavity, so that the light of described laser instrument transmitting enters in described optoisolator after described the first convex lens collimates.
3. optical assembly according to claim 2, is characterized in that, described laser instrument, described the first convex lens and described optoisolator coaxially arrange.
4. 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; A side at described optical fiber mounting hole in described body element is provided with convergence of rays hole, and described convergence of rays hole is communicated with described optical fiber mounting hole.
5. optical assembly according to claim 4, 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, so that the light of described the first convex lens collimation enters in described convergence of rays hole after described the second convex lens is assembled.
6. optical assembly according to claim 4, is characterized in that, described optoisolator is coaxial with described convergence of rays hole and described optical fiber mounting hole.
7. optical assembly according to claim 2, is characterized in that, the side that described pedestal is relative with described the first convex lens offers blind hole, and described optoisolator is arranged in described blind hole.
8. optical assembly according to claim 2, it is characterized in that, in described pedestal, towards a side of described laser instrument, be provided with boss above described the first convex lens, so that be provided with the described pedestal of described the first convex lens, plug to described mounting groove.
9. optical assembly according to claim 8, is characterized in that, described boss, with respect to the vertical range of the pedestal side at place, is more than or equal to the vertical range of described the first convex lens with respect to described side.
10. optical assembly according to claim 1, is characterized in that, in the cavity of described body element, is provided with pad, and described laser instrument is arranged on described pad.
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| CN201510550280.8A CN105044863B (en) | 2014-02-10 | 2014-02-10 | Optical assembly |
| CN201410046932.XA CN103744149B (en) | 2014-02-10 | 2014-02-10 | Optical assembly |
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| CN201410046932.XA CN103744149B (en) | 2014-02-10 | 2014-02-10 | Optical assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103995323A (en) * | 2014-05-13 | 2014-08-20 | 青岛海信宽带多媒体技术有限公司 | Optical module assembly and optical module |
| CN112578507A (en) * | 2019-09-29 | 2021-03-30 | 苏州旭创科技有限公司 | Optical interface assembly and optical module |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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- 2014-02-10 CN CN201510550280.8A patent/CN105044863B/en active Active
- 2014-02-10 CN CN201410046932.XA patent/CN103744149B/en active Active
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| CN112578507A (en) * | 2019-09-29 | 2021-03-30 | 苏州旭创科技有限公司 | Optical interface assembly and optical module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105044863B (en) | 2017-03-08 |
| CN103744149B (en) | 2015-08-19 |
| CN105044863A (en) | 2015-11-11 |
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