CN109870826A - A kind of collimator structure and preparation method thereof - Google Patents
A kind of collimator structure and preparation method thereof Download PDFInfo
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- CN109870826A CN109870826A CN201711252016.1A CN201711252016A CN109870826A CN 109870826 A CN109870826 A CN 109870826A CN 201711252016 A CN201711252016 A CN 201711252016A CN 109870826 A CN109870826 A CN 109870826A
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Abstract
The present invention discloses a kind of collimator structure and preparation method thereof, is bonded using optical fiber head and capillary, structure directly viscous with a bit of glass bushing end face between optical fiber head front end face and lenticule end face；Or there are a groove, the structure that lenticule and capillary end surface directly bond in capillary front end face.The present invention directly adjusts optical fiber position in capillary and makes collimator by connecing.The present invention solidifies heat-curable glue using UV light or UV and blue laser focusing optical fiber；Or UV glue, or the fixed optical fiber of straight heating.Optical fiber collimator outer diameter of the invention is small, can accomplish the outer diameter with optical fiber head and lens same size, and production method is simple, and the miniaturization of collimator may be implemented, while can also realize the miniaturization of the optical device or module of using the collimator.
Description
Technical field
The present invention relates to optical-fibre communications fields more particularly to a kind of collimator structure and preparation method thereof.
Background technique
Optical fiber collimator is common optical passive component, be by the divergent beams of optical fiber output by lens on light beam into
Row collimation, such light beam are received after Distance Transmission farther out by another collimator, realize low-loss coupling.Traditional fiber
Collimator structure is as shown in Figure 1, its structure includes lens 101, casing 102, capillary 103, optical fiber cable 104, glue 105.Wherein
Lens 101 are C lens or G lens, and lens inner face has oblique angle；103 internal diameter of capillary is omited than 104 cladding diameter of optical fiber cable
Greatly, optical fiber cable 104 penetrates in capillary 103, fixed using glue 105, and glue 105 is more than in capillary tail portion, and penetrates into simultaneously
Whole length inside capillary 103, fills the gap between full optical fiber cable 104 and capillary 103, capillary 103 with
The end face of optical fiber cable 104 is ground into oblique angle, plays the purpose for improving return loss.Capillary 103 and lens 101 are in casing 102
Collimator is constituted by the way that glue is fixed, casing 102 is one layer or multiple casing, and optical fiber cable 104 is one or more optical fiber.Traditional
Optical fiber collimator is made of optical fiber head, lens and casing, and optical fiber head is in optical fiber cable insertion capillary glass tube, through gluing admittedly
Determine, then front end face grinding and polishing, and plates optical anti-reflective film as needed.Traditional collimator is outside optical fiber head and lens
One or more casings can be covered, thus outer diameter cannot do it is too small.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of collimator structure and preparation method thereof, light
Fine collimator outer diameter is small, can accomplish the outer diameter with optical fiber head and lens same size, and the miniaturization of collimator may be implemented,
The miniaturization of the optical device or module of using the collimator can also be realized simultaneously, and production method is simple.
The technical solution adopted by the present invention is that:
A kind of collimator structure comprising lens, casing, capillary, optical fiber cable and glue；Capillary inner diameter is greater than optical fiber cable covering
Diameter, optical fiber cable are threaded through in capillary, glue are filled between the optical fiber cable and capillary tube inner wall, and fixed by glue, capillary,
Casing and lens are sequentially coaxially arranged；The both sides of the face of described sleeve pipe pass through glue respectively and are connected and fixed with capillary and lens, set
Manage the perpendicular end surface that one end for connecting with capillary is equipped with vertical axis, the inner face of lens is oblique angle face, casing it is another
End is equipped with the oblique angle end face cooperated with lens inner face, and optical fiber cable stretches out the inner face of capillary and the inner face close to lens.
Further, the outer diameter of described sleeve pipe is no more than capillary or the outer diameter of lens.
Further, the inner face of the optical fiber cable is arranged in oblique angle.
Further, the optical fiber cable is one or more optical fiber.
Further, the lens are C lens or G lens.
The invention also discloses a kind of above-mentioned production methods of collimator structure, it is characterised in that: production method include with
Lower step:
1) first lens, casing, capillary are successively adhesively fixed together；
2) optical fiber by front with oblique angle is inserted into capillary, adjusts the distance between optical fiber and lens to most by monitor control index
It is good；
3) it glues, capillary tail portion is arrived on glue, glue penetrates into and run through the whole length inside capillary, fills full optical fiber cable and hair
Gap between tubule；
4) curing apparatus is added in the bottom of capillary, makes glue by heat cure, completes the production of collimator structure.
Further, the curing apparatus is heat block, and heat block upper surface is equipped with the arc with the major diameter fit of capillary
Shape recess.
Further, the curing apparatus is ultraviolet curing equipment, and the glue is ultraviolet glue；Ultraviolet curing equipment includes
The ultraviolet light of ultraviolet source and ultraviolet photoconductive tube, ultraviolet source excitation is exported via ultraviolet photoconductive tube, and ultraviolet photoconductive tube is directed at hair
Ultraviolet glue setting inside tubule.
Further, the curing apparatus is that glue absorbs the general equipment of light, and it includes light source that glue, which absorbs the general equipment of light, optical fiber and poly-
Light microscopic head, for the light of light source activation via fiber optic conduction to optically focused camera lens, the exit end of optically focused camera lens is directed at the glue inside capillary
Setting.
The invention also discloses another collimator structures comprising lens, set glue, capillary, optical fiber cable and glue；Capillary
Pipe and lens are coaxially adhesively fixed by covering glue, and capillary inner diameter is greater than optical fiber cable cladding diameter, and capillary is connect with lens
One end is coaxially provided with horn mouth, and optical fiber cable is threaded through in capillary, and the end of optical fiber cable is located in horn mouth, the optical fiber cable and
Glue is filled between capillary tube inner wall, and is fixed by glue, and the inner face of lens is oblique angle face, and one end that capillary is connect with lens is set
There are the oblique angle end face with the cooperation of lens inner face, the oblique angle end face for not stretching out capillary of the end of optical fiber cable.
Further, the inner face of the optical fiber cable is arranged in oblique angle.
Further, the optical fiber cable is one or more optical fiber.
Further, the lens are C lens or G lens.
The invention also discloses the production methods of above-mentioned another collimator structure, it is characterised in that: production method includes
Following steps:
1) first lens, casing or set glue, capillary are successively adhesively fixed together；
2) optical fiber by front with oblique angle is inserted into capillary, adjusts the distance between optical fiber and lens to most by monitor control index
It is good；
3) it glues, capillary tail portion is arrived on glue, glue penetrates into and run through the whole length inside capillary, fills full optical fiber cable and hair
Gap between tubule；
4) curing apparatus is added in the bottom of capillary, makes glue by heat cure, completes the production of collimator structure.
Further, the curing apparatus is heat block, and heat block upper surface is equipped with the arc with the major diameter fit of capillary
Shape recess.
Further, the curing apparatus is ultraviolet curing equipment, and the glue is ultraviolet glue；Ultraviolet curing equipment includes
The ultraviolet light of ultraviolet source and ultraviolet photoconductive tube, ultraviolet source excitation is exported via ultraviolet photoconductive tube, and ultraviolet photoconductive tube is directed at hair
Ultraviolet glue setting inside tubule.
Further, the curing apparatus is that glue absorbs the general equipment of light, and it includes light source that glue, which absorbs the general equipment of light, optical fiber and poly-
Light microscopic head, for the light of light source activation via fiber optic conduction to optically focused camera lens, the exit end of optically focused camera lens is directed at the glue inside capillary
Setting.
The invention adopts the above technical scheme, is bonded using optical fiber head and capillary, optical fiber head front end face and lenticule end
The structure directly glued with a bit of glass bushing end face between face；Or there are a groove, lenticule and capillary in capillary front end face
The structure that end surfaces directly bond.This patent directly adjusts optical fiber position in capillary and makes collimator by connecing.This
Patent solidifies heat-curable glue using UV light or UV and blue laser focusing optical fiber；Or UV glue, or the fixed optical fiber of straight heating.This
The optical fiber collimator outer diameter of invention is small, can accomplish the outer diameter with optical fiber head and lens same size, and production method letter
It is single, the miniaturization of collimator may be implemented, while can also realize the miniaturization of the optical device or module of using the collimator.
Detailed description of the invention
The present invention is described in further details below in conjunction with the drawings and specific embodiments；
Fig. 1 is traditional fiber collimator structure schematic diagram；
Fig. 2 is a kind of structural schematic diagram of collimator structure embodiment 1 of the present invention；
Fig. 3 is one of the schematic diagram of the embodiment 1 of the production method of the embodiment of the present invention 1；
Fig. 4 is the two of the schematic diagram of the embodiment 1 of the production method of the embodiment of the present invention 1；
Fig. 5 is the schematic diagram of the embodiment 2 of the production method of the embodiment of the present invention 1；
Fig. 6 is the schematic diagram of the embodiment 3 of the production method of the embodiment of the present invention 1；
Fig. 7 is a kind of structural schematic diagram of collimator structure embodiment 2 of the present invention；
Fig. 8 is one of the schematic diagram of the embodiment 1 of the production method of the embodiment of the present invention 2；
Fig. 9 is the two of the schematic diagram of the embodiment 1 of the production method of the embodiment of the present invention 2；
Figure 10 is the schematic diagram of the embodiment 2 of the production method of the embodiment of the present invention 2；
Figure 11 is the schematic diagram of the embodiment 3 of the production method of the embodiment of the present invention 2；.
Specific embodiment
As shown in Fig. 2, the invention discloses a kind of collimator structures comprising lens 201, casing 202, capillary
203, optical fiber cable 204 and glue 205；203 internal diameter of capillary is greater than 204 cladding diameter of optical fiber cable, and optical fiber cable 204 is threaded through capillary
In 203.Glue 205 is filled between 203 inner wall of the optical fiber cable 204 and capillary, and is fixed by glue 205, and glue 205 is more than in hair
203 tail portion of tubule, and the whole length inside capillary 203 is penetrated into and runs through, fill full optical fiber cable 204 and capillary 203
Between gap.Capillary 203, casing 202 and lens 201 are sequentially coaxially arranged；The both sides of the face of described sleeve pipe 202 are distinguished
It is connected and fixed by glue 205 and capillary 203 and lens 201, one end that casing 202 is connect with capillary 203 is equipped with vertical
The perpendicular end surface of axis, the inner face of lens 201 are oblique angle face, and the other end of casing 202 is equipped with matches with 201 inner face of lens
The oblique angle end face of conjunction, optical fiber cable 204 stretch out the inner face of capillary 203 and close to the inner faces of lens 201.
The outer diameter of described sleeve pipe 202 is no more than capillary 203 or the outer diameter of lens 201.
The inner face of the optical fiber cable 204 is arranged in oblique angle, plays the purpose for improving return loss.
The optical fiber cable 204 is one or more optical fiber.
The lens 201 are C lens or G lens.
As shown in one of Fig. 3-6, the production method of the collimator structure of embodiment 1 comprising following steps:
1) first lens 201, casing 202, capillary 203 are successively adhesively fixed together；
2) optical fiber 204 by front with oblique angle is inserted into capillary 203, is adjusted between optical fiber 204 and lens 201 by monitor control index
Distance to best；
3) 205 are glued, arrives 203 tail portion of capillary on glue 205, glue penetrates into and run through the whole length inside capillary 203, fills
Gap between full optical fiber cable 204 and capillary 203；
4) curing apparatus is added in the bottom of capillary 203, makes glue 205 by heat cure, completes the production of collimator structure.
As a kind of preferable embodiment 1, as shown in figure 3 or 4, the curing apparatus is heat block 206, heat block
206 upper surfaces are equipped with the arc-shaped recess with the major diameter fit of capillary 203, to reach preferable heating effect.Work as heat transfer
To at 203 center of capillary, glue 205 is closely bonded optical fiber 204 and capillary 203 together by heat cure.
As a kind of preferable embodiment 2, as shown in figure 5, the curing apparatus is ultraviolet curing equipment, and the glue
For ultraviolet glue；Ultraviolet curing equipment includes ultraviolet source 207 and ultraviolet photoconductive tube 208, the ultraviolet light warp that ultraviolet source 207 excites
It is exported by ultraviolet photoconductive tube 208, ultraviolet photoconductive tube 208 is directed at the ultraviolet glue setting inside capillary 203.
As a kind of preferable embodiment 3, as shown in fig. 6, the curing apparatus is that glue absorbs the general equipment of light, glue absorbs
The general equipment of light includes light source 210, optical fiber 211 and optically focused camera lens 212, and the light that light source 210 excites is via fiber optic conduction to condenser
First 212, the exit end of optically focused camera lens 212 is directed at the glue 205 inside capillary 203 and is arranged.
Casing in the optical fiber collimator structure of embodiment 1 is used as left and right bonding, has lacked outside one compared to traditional collimator
Casing, the outer diameter of collimator can do smaller.
Embodiment 2:
As shown in fig. 7, a kind of collimator structure comprising lens 201, capillary 203, optical fiber cable 204 and glue 205；Capillary
203 and lens 201 by set the coaxially connected fixation of glue 302,203 internal diameter of capillary be greater than 204 cladding diameter of optical fiber cable, capillary
303 one end connecting with lens 201 are coaxially provided with horn mouth, and optical fiber cable 204 is threaded through in capillary 203, the end of optical fiber cable 204
Head is located in horn mouth, glue 205 is filled between 203 inner wall of the optical fiber cable 204 and capillary, and fixed by glue 205, lens
201 inner face is oblique angle face, and one end that capillary 303 is connect with lens 201 is equipped with the oblique angle cooperated with 201 inner face of lens
End face, the oblique angle end face for not stretching out capillary 303 of the end of optical fiber cable 204.
The inner face of the optical fiber cable 204 is arranged in oblique angle；Play the purpose for improving return loss.
The lens 201 be C lens or G lens,
The optical fiber cable 204 is one or more optical fiber.
The production method of the collimator structure of embodiment 2 comprising following steps:
1) first lens 201, casing 202 or set glue, capillary 203 are successively adhesively fixed together；
2) optical fiber 204 by front with oblique angle is inserted into capillary 203, is adjusted between optical fiber 204 and lens 201 by monitor control index
Distance to best；
3) 205 are glued, arrives 203 tail portion of capillary on glue 205, glue penetrates into and run through the whole length inside capillary 203, fills
Gap between full optical fiber cable 204 and capillary 203；
4) curing apparatus is added in the bottom of capillary 203, makes glue 205 by heat cure, completes the production of collimator structure.
As shown in one of Fig. 8-11, the production method of the collimator structure of embodiment 2 comprising following steps:
1) first lens 201, set glue 302, capillary 203 are successively adhesively fixed together；
2) optical fiber 204 by front with oblique angle is inserted into capillary 203, is adjusted between optical fiber 204 and lens 201 by monitor control index
Distance to best；
3) 205 are glued, arrives 203 tail portion of capillary on glue 205, glue penetrates into and run through the whole length inside capillary 203, fills
Gap between full optical fiber cable 204 and capillary 203；
4) curing apparatus is added in the bottom of capillary 203, makes glue 205 by heat cure, completes the production of collimator structure.
As a kind of preferable embodiment 1, as in figs. 8 or 9, the curing apparatus is heat block 206, heat block
206 upper surfaces are equipped with the arc-shaped recess with the major diameter fit of capillary 203, to reach preferable heating effect.
As a kind of preferable embodiment 2, as shown in Figure 10, the curing apparatus is ultraviolet curing equipment, and described
Glue is ultraviolet glue；Ultraviolet curing equipment includes ultraviolet source 207 and ultraviolet photoconductive tube 208, the ultraviolet light that ultraviolet source 207 excites
It is exported via ultraviolet photoconductive tube 208, ultraviolet photoconductive tube 208 is directed at the ultraviolet glue setting inside capillary 203.
As a kind of preferable embodiment 3, as shown in figure 11, the curing apparatus is that glue absorbs the general equipment of light, and glue is inhaled
Receiving the general equipment of light includes light source 210, optical fiber 211 and optically focused camera lens 212, and the light that light source 210 excites is via fiber optic conduction to optically focused
Camera lens 212, the exit end of optically focused camera lens 212 are directed at the glue 205 inside capillary 203 and are arranged.
The optical fiber collimator structure of embodiment 2 outer tube fewer than traditional collimator, the outer diameter of collimator can
It is smaller with what is done.
The invention adopts the above technical scheme, is bonded using optical fiber head and capillary, optical fiber head front end face and lenticule end
The structure directly glued with a bit of glass bushing end face between face；Or there are a groove, lenticule and capillary in capillary front end face
The structure that end surfaces directly bond.This patent directly adjusts optical fiber position in capillary and makes collimator by connecing.This
Patent solidifies heat-curable glue using UV light or UV and blue laser focusing optical fiber；Or UV glue, or the fixed optical fiber of straight heating.This
The optical fiber collimator outer diameter of invention is small, can accomplish the outer diameter with optical fiber head and lens same size, and production method letter
It is single, the miniaturization of collimator may be implemented, while can also realize the miniaturization of the optical device or module of using the collimator.
Claims (10)
1. a kind of collimator structure, it is characterised in that: it includes lens, casing, capillary, optical fiber cable and glue；Capillary inner diameter
Greater than optical fiber cable cladding diameter, optical fiber cable is threaded through in capillary, fills glue between the optical fiber cable and capillary tube inner wall, and by
Glue is fixed, and capillary, casing and lens are sequentially coaxially arranged；The both sides of the face of described sleeve pipe pass through glue and capillary and saturating respectively
Mirror is connected and fixed, and one end that casing is connect with capillary is equipped with the perpendicular end surface of vertical axis, and the inner face of lens is oblique angle
Face, the other end of casing are equipped with the oblique angle end face cooperated with lens inner face, and optical fiber cable stretches out the inner face of capillary and approaches
The inner face of lens.
2. a kind of collimator structure according to claim 1, it is characterised in that: the outer diameter of described sleeve pipe is not more than capillary
Or the outer diameter of lens.
3. a kind of collimator structure, it is characterised in that: it includes lens, set glue, capillary, optical fiber cable and glue；Capillary and thoroughly
Mirror is coaxially adhesively fixed by covering glue, and capillary inner diameter is greater than optical fiber cable cladding diameter, and one end that capillary is connect with lens is same
Axis is equipped with horn mouth, and optical fiber cable is threaded through in capillary, and the end of optical fiber cable is located in horn mouth, the optical fiber cable and capillary
Fill glue between inner wall, and fixed by glue, the inner faces of lens is oblique angle face, one end that capillary is connect with lens equipped with it is saturating
The oblique angle end face of mirror inner face cooperation, the oblique angle end face for not stretching out capillary of the end of optical fiber cable.
4. a kind of collimator structure described in one of -3 according to claim 1, it is characterised in that: the inner face of the optical fiber cable is in
Oblique angle setting.
5. a kind of collimator structure described in one of -3 according to claim 1, it is characterised in that: the optical fiber cable is one or more
Root optical fiber.
6. a kind of collimator structure described in one of -3 according to claim 1, it is characterised in that: the lens are that C lens or G are saturating
Mirror.
7. a kind of production method of collimator structure described in a kind of one of claim 1-3, it is characterised in that: production method packet
Include following steps:
1) first lens, casing or set glue, capillary are successively adhesively fixed together；
2) optical fiber by front with oblique angle is inserted into capillary, adjusts the distance between optical fiber and lens to most by monitor control index
It is good；
3) glue, arrive the tail portion of capillary on glue, glue penetrates into and run through the whole length inside capillary, filling completely optical fiber cable and
Intercapillary gap；
4) curing apparatus is added in the bottom of capillary, makes glue by heat cure, completes the production of collimator structure.
8. a kind of production method of collimator structure according to claim 7, it is characterised in that: the curing apparatus is to add
Heat block, heat block upper surface are equipped with the arc-shaped recess with the major diameter fit of capillary.
9. a kind of production method of collimator structure according to claim 7, it is characterised in that: the curing apparatus is purple
Outer curing apparatus, and the glue is ultraviolet glue；Ultraviolet curing equipment includes ultraviolet source and ultraviolet photoconductive tube, ultraviolet source excitation
Ultraviolet light exported via ultraviolet photoconductive tube, ultraviolet photoconductive tube be aligned capillary inside ultraviolet glue setting.
10. a kind of production method of collimator structure according to claim 7, it is characterised in that: the curing apparatus is
Glue absorbs the general equipment of light, and it includes light source, optical fiber and optically focused camera lens that glue, which absorbs the general equipment of light, and the light of light source activation is via fiber optic conduction
To optically focused camera lens, the glue inside the exit end alignment capillary of optically focused camera lens is arranged.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711252016.1A CN109870826A (en) | 2017-12-01 | 2017-12-01 | A kind of collimator structure and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711252016.1A CN109870826A (en) | 2017-12-01 | 2017-12-01 | A kind of collimator structure and preparation method thereof |
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| CN109870826A true CN109870826A (en) | 2019-06-11 |
Family
ID=66913718
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871081A (en) * | 2022-06-02 | 2022-08-09 | 福耀玻璃工业集团股份有限公司 | Preparation method of conductive adhesive layer, preparation method of dimming assembly and preparation method of dimming glass |
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| CN101666890A (en) * | 2008-09-04 | 2010-03-10 | 中国科学院西安光学精密机械研究所 | High-power optical fiber collimator and manufacturing method thereof |
| CN204101772U (en) * | 2014-09-03 | 2015-01-14 | 福建华科光电有限公司 | A kind of optical fiber collimator of special construction |
| CN206096549U (en) * | 2016-09-14 | 2017-04-12 | 长飞光纤光缆股份有限公司 | Optical fiber collimator |
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|---|---|---|---|---|
| CN2580456Y (en) * | 2002-01-17 | 2003-10-15 | 福州康顺光通讯有限公司 | Micro high performance collimator |
| CN1388391A (en) * | 2002-06-28 | 2003-01-01 | 浙江大学 | Optical fiber collimator |
| KR20060024735A (en) * | 2004-09-14 | 2006-03-17 | 주식회사 이스트포토닉스 | Wavelength division multiplexer and its manufacturing method for thin film |
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Application publication date: 20190611 |
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