CN103901547B - A kind of processing technology of optical fiber collimator - Google Patents
A kind of processing technology of optical fiber collimator Download PDFInfo
- Publication number
- CN103901547B CN103901547B CN201410160886.6A CN201410160886A CN103901547B CN 103901547 B CN103901547 B CN 103901547B CN 201410160886 A CN201410160886 A CN 201410160886A CN 103901547 B CN103901547 B CN 103901547B
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- hole
- fiber collimator
- processing technology
- lens glass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Optical Couplings Of Light Guides (AREA)
Abstract
The present invention discloses a kind of processing technology of optical fiber collimator, made segment core exposed by outer for one end of optical fiber removing, again successively through the through hole be arranged on described heat-proof device and the through hole be arranged on described lower die, and be inserted partially in described positioning through hole, insertion depth is less than the degree of depth of described positioning through hole, the obtained described optical fiber collimator of recycling molding die heating pressurization, processing technology of the present invention is simple to operate, it is convenient to control, coupling efficiency can up to more than 95%, and process time is short, yield rate is high, the batch production of optical fiber collimator can be realized.
Description
Technical field
The present invention relates to technical field of optical fiber, particularly relate to a kind of processing technology of optical fiber collimator.
Background technology
Fiber coupling technique is the gordian technique affecting fibre system, optical fiber lens is then the critical component of coupling fiber, being coupled of luminescence chip and optical fiber is in fact the matching problem of mould field, the optically-coupled that luminescence chip sends enters the more of optical fiber, optical fiber communication distance is far away, and repeater span is also far away; And the Basic Ways improving mould field coupling adds optical lens to improve the efficiency of optically-coupled in coupled system, the method of current solution is at the direct lens working in the end of optical fiber, especially make optical fiber collimator, be connected optical fiber with lens, complete the transmission of light in optical fiber.
At present, the job operation drawback of optical fiber collimator is a lot, and not only operation is difficult to control, and yield rate is lower, and coupling efficiency is not high, can only reach about 60%; Along with the development of optical fiber technology, requirement for coupling efficiency also improves greatly, the required coupling efficiency in general high-end field all more than 75%, therefore, traditional job operation has been difficult to the requirement adapting to the development of modern optical fiber technology, needs a kind of new processing technology to satisfy the demands.
Summary of the invention
For solving problem existing in above-mentioned prior art, the invention provides a kind of processing technology of optical fiber collimator.
The present invention adopts following technical scheme to realize: a kind of processing technology of optical fiber collimator, comprises the following steps:
(1) choose the lens glass of the positioning through hole with array arrangement as mold pressing nitre material, and the diameter of described positioning through hole is slightly larger than the diameter of optical fiber;
(2) described lens glass is put into molding die, described molding die comprises upper cores, lower die, the concentric orienting sleeve coordinated with upper cores and lower die, fixed high orienting sleeve and heat-proof device, described heat-proof device and lower die are equipped with the through hole corresponding with described positioning through hole, and the diameter of described through hole is slightly larger than the diameter of optical fiber; Described lens glass is between described upper cores and lower die, and described positioning through hole is corresponding with described through hole;
(3) made segment core exposed by outer for one end of optical fiber removing, again successively through the through hole be arranged on described heat-proof device and the through hole be arranged on described lower die, and being inserted partially in described positioning through hole, insertion depth is less than the degree of depth of described positioning through hole;
(4) heat described molding die, make described lens glass be warming up to the yield point temperature t1 of glass, utilize described molding die to apply pressure P 1 simultaneously and make described upper cores extrude described lens glass formation free form surface part, keep m1 minute; Reduce pressure again to P2, be cooled to the transition point t2 of glass, keep m2 minute; Raised pressure is to P3 again, keeps m3 minute; Reduce pressure again to P4, and cool described lens glass m4 minute fast;
(5) when temperature is reduced to t3; the product obtained is taken out from described molding die; in described free form surface part, plate one deck reflectance coating again, around the intersection of described optical fiber and described lens glass, scribble one deck optics protecting glue, namely obtain optical fiber collimator.
Preferably, the step that the product obtained in step (5) is annealed is comprised further.
Preferably, utilizing described molding die to apply to be filled with inert gas while pressure P 1 makes described upper cores extrude described lens glass formation free form surface part in step (4) prevents described molding die to be oxidized.
Preferably, inert gas accelerating cooling is filled with while also cooling described lens glass m4 minute fast in step (4).
Preferably, m1 >=2, m2 >=2, m3 >=2, m4 >=2.
Preferably, P1 > P3 > P4 > P2.
Preferably, t3 < 300 DEG C.
Compared with prior art, the present invention has following beneficial effect: the processing technology of a kind of optical fiber collimator of the present invention is simple to operate, and it is convenient to control, coupling efficiency can up to more than 95%, and process time is short, yield rate is high, can realize the batch production of optical fiber collimator.
Accompanying drawing explanation
Fig. 1 is the mold pressing schematic diagram of the processing technology of the embodiment of the present invention;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1;
Wherein: 1, lens glass, 2, optical fiber, 21, fibre core, 3, upper cores, 4, lower die, 41, through hole, 5, with one heart orienting sleeve, 6, fixed high orienting sleeve, 7, heat-proof device.
Embodiment
Be described in further detail below in conjunction with the processing technology of specific embodiment to a kind of optical fiber collimator of the present invention.
Shown in Fig. 1 and Fig. 2, the present invention proposes a kind of processing technology of optical fiber collimator, comprises the following steps:
(1) choose the lens glass 1 of the positioning through hole with array arrangement as mold pressing nitre material, and the diameter of described positioning through hole is slightly larger than the diameter of optical fiber 2;
(2) described lens glass 1 is put into molding die, described molding die comprises upper cores 3, lower die 4, the concentric orienting sleeve 5 coordinated with upper cores 3 and lower die 4, fixed high orienting sleeve 6 and heat-proof device 7, described heat-proof device 7 and lower die 4 are equipped with the through hole 41 corresponding with described positioning through hole, and the diameter of described through hole 41 is slightly larger than the diameter of optical fiber 2; Described lens glass 1 is between described upper cores 3 and lower die 4, and described positioning through hole is corresponding with described through hole 41;
(3) made segment core 21 exposed by outer for one end of optical fiber 2 removing, again successively through the through hole 41 be arranged on described heat-proof device 7 and the through hole 41 be arranged on described lower die 4, and being inserted partially in described positioning through hole, insertion depth is less than the degree of depth of described positioning through hole;
(4) described molding die is heated, described lens glass 1 is made to be warming up to the yield point temperature t1 of glass, utilize described molding die to apply pressure P 1 simultaneously, and be filled with nitrogen and prevent described molding die to be oxidized, make described upper cores 3 extrude described lens glass 1 and form free form surface part, keep 2 ~ 4 minutes; Reduce pressure again to P2, be cooled to the transition point t2 of glass, keep 2 ~ 4 minutes; Raised pressure is slightly less than P1 to P3, P3 again, to eliminate the distortion produced due to the contraction of material, keeps 2 ~ 4 minutes; Reduce pressure again to P4, P4 slightly larger than P2, and be filled with nitrogen and cool described lens glass 4 ~ 5 minutes fast;
(5) when temperature is reduced to below 300 DEG C; the product obtained is taken out from described molding die; carry out annealing in process; to improve the homogeneity of refractive index and to eliminate internal stress; one deck reflectance coating is plated again in described free form surface part; around the intersection of described optical fiber 2 and described lens glass 1, scribble one deck optics protecting glue, namely obtain optical fiber collimator.
Optical fiber collimator can overallly use, and also can cut into single optical fiber collimator and use, can adapt to various different user demand.
The foregoing is only preferred embodiment of the present invention; not in order to limit the present invention; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses, the change that can expect easily or replacement, all should be encompassed in protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should define with claim is as the criterion.
Claims (7)
1. a processing technology for optical fiber collimator, is characterized in that, comprises the following steps:
(1) choose the lens glass of the positioning through hole with array arrangement as mold pressing nitre material, and the diameter of described positioning through hole is slightly larger than the diameter of optical fiber;
(2) described lens glass is put into molding die, described molding die comprises upper cores, lower die, the concentric orienting sleeve coordinated with upper cores and lower die, fixed high orienting sleeve and heat-proof device, described heat-proof device and lower die are equipped with the through hole corresponding with described positioning through hole, and the diameter of described through hole is slightly larger than the diameter of optical fiber; Described lens glass is between described upper cores and lower die, and described positioning through hole is corresponding with described through hole;
(3) made segment core exposed by outer for one end of optical fiber removing, again successively through the through hole be arranged on described heat-proof device and the through hole be arranged on described lower die, and being inserted partially in described positioning through hole, insertion depth is less than the degree of depth of described positioning through hole;
(4) heat described molding die, make described lens glass be warming up to the yield point temperature t1 of glass, utilize described molding die to apply pressure P 1 simultaneously and make described upper cores extrude described lens glass formation free form surface part, keep m1 minute; Reduce pressure again to P2, be cooled to the transition point t2 of glass, keep m2 minute; Raised pressure is to P3 again, keeps m3 minute; Reduce pressure again to P4, and cool described lens glass m4 minute fast;
(5) when temperature is reduced to t3; the product obtained is taken out from described molding die; in described free form surface part, plate one deck reflectance coating again, around the intersection of described optical fiber and described lens glass, scribble one deck optics protecting glue, namely obtain optical fiber collimator.
2. the processing technology of optical fiber collimator according to claim 1, is characterized in that, comprises the step of annealing to the product obtained in step (5) further.
3. the processing technology of optical fiber collimator according to claim 1, it is characterized in that, utilize described molding die to apply to be filled with inert gas while pressure P 1 makes described upper cores extrude described lens glass formation free form surface part in step (4) and prevent described molding die to be oxidized.
4. the processing technology of optical fiber collimator according to claim 1, is characterized in that, is filled with inert gas accelerating cooling while also cooling described lens glass m4 minute fast in step (4).
5., according to the processing technology of the arbitrary described optical fiber collimator of Claims 1-4, it is characterized in that, m1 >=2, m2 >=2, m3 >=2, m4 >=2.
6., according to the processing technology of the arbitrary described optical fiber collimator of Claims 1-4, it is characterized in that, P1 > P3 > P4 > P2.
7., according to the processing technology of the arbitrary described optical fiber collimator of Claims 1-4, it is characterized in that, t3 < 300 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410160886.6A CN103901547B (en) | 2014-04-22 | 2014-04-22 | A kind of processing technology of optical fiber collimator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410160886.6A CN103901547B (en) | 2014-04-22 | 2014-04-22 | A kind of processing technology of optical fiber collimator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103901547A CN103901547A (en) | 2014-07-02 |
| CN103901547B true CN103901547B (en) | 2016-03-09 |
Family
ID=50992986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410160886.6A Active CN103901547B (en) | 2014-04-22 | 2014-04-22 | A kind of processing technology of optical fiber collimator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103901547B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1357779A (en) * | 2000-12-14 | 2002-07-10 | 福建华科光电有限公司 | Fiber collimator making process |
| CN1428618A (en) * | 2001-12-04 | 2003-07-09 | 松下电器产业株式会社 | Optical enclosed chip, optical device, optical module and method for moulded optical enclosed chip |
| 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 |
| CN203259686U (en) * | 2013-05-23 | 2013-10-30 | 深圳市天阳谷科技发展有限公司 | Optical fiber collimator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005330166A (en) * | 2004-05-21 | 2005-12-02 | Asahi Glass Co Ltd | Optical glass element press forming mold and optical glass element press forming method |
-
2014
- 2014-04-22 CN CN201410160886.6A patent/CN103901547B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1357779A (en) * | 2000-12-14 | 2002-07-10 | 福建华科光电有限公司 | Fiber collimator making process |
| CN1428618A (en) * | 2001-12-04 | 2003-07-09 | 松下电器产业株式会社 | Optical enclosed chip, optical device, optical module and method for moulded optical enclosed chip |
| 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 |
| CN203259686U (en) * | 2013-05-23 | 2013-10-30 | 深圳市天阳谷科技发展有限公司 | Optical fiber collimator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103901547A (en) | 2014-07-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202383318U (en) | 4mu optical fiber panel | |
| CN105259611A (en) | Manufacturing method of fingerprint acquisition optical fiber panel | |
| CN103214161A (en) | Non-isothermal mold pressing method for glass optical element | |
| CN103885124B (en) | A kind of processing technology of optical fiber collimator | |
| CN104609723B (en) | A kind of preparation method of chalcogenide glass tapered fiber | |
| CN103901547B (en) | A kind of processing technology of optical fiber collimator | |
| TW201002631A (en) | Heating process and apparatus of molding glass | |
| CN105044861A (en) | Device and method for coupling dual-optical-path adjustment laser and optical fiber | |
| CN202430121U (en) | Vacuum extruder for preparing chalcogenide glass microstructure optical fiber preform | |
| CN108061934B (en) | Manufacturing method of curved panel | |
| CN202472036U (en) | Thermosetting system of optical-fiber fusing conical taper with real-time temperature monitoring | |
| US10689286B2 (en) | Separation of glass shapes using engineered induced thermal gradients after process cutting | |
| CN103613269A (en) | Manufacturing method for glass hand basin or glass foot basin | |
| CN102173564B (en) | Non-isothermal air float type die forming method | |
| CN208529718U (en) | A kind of apparatus for shaping of flexible cable | |
| CN202533625U (en) | Fiber fracture-prevention pigtail | |
| CN202688175U (en) | Device for actively pressurizing intermediate frequency furnace for fusing and drawing quartz glass bar | |
| CN107915397B (en) | Method for manufacturing curved glass by using glass hot bending machine | |
| CN104891827A (en) | Process for optical fiber drawing and primary coating | |
| KR101945479B1 (en) | Manufacturing method for metal-housing insert lens using carbon dioxide laser | |
| CN104891828A (en) | Coating system beneficial to thickness uniformity of coating | |
| CN203295342U (en) | Optical glass profiling and processing system | |
| CN103454742A (en) | Optical fiber used for component ribbon combining and manufacturing method of optical fiber | |
| CN103144326A (en) | Optical film body and manufacturing method of optical film body and optical film primary body | |
| CN102603161B (en) | Production method of lens array blank, production method of lens array, and lens array |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |