CN205038369U - Novel high power optical collimator structure - Google Patents
Novel high power optical collimator structure Download PDFInfo
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- CN205038369U CN205038369U CN201520801424.8U CN201520801424U CN205038369U CN 205038369 U CN205038369 U CN 205038369U CN 201520801424 U CN201520801424 U CN 201520801424U CN 205038369 U CN205038369 U CN 205038369U
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- optical fiber
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- kapillary
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Abstract
The utility model discloses a novel high power optical collimator structure, aim at providing one kind bear the power height, factor of safety is big, production processes is simple, easy -operating novel high power optical collimator structure. It includes optic fibre, C -lens, capillary, glass pipe, tubular metal resonator, optic fibre is fixed in the capillary, surely flat back of optic fibre one end terminal surface and C -lens welding, fixed together optic fibre, C -lens, that the capillary is located glass is intraductal, C -lens and glass pipe and capillary and glass pipe all are in the same place through heat conduction type epoxy glue bonding, the glass pipe box is in the tubular metal resonator to bond together with heat conduction type epoxy glue. The utility model discloses enlarged the facula area of outgoing terminal surface, the energy density who reduces terminal surface output facula is more than ten times, and that has improved optical collimator bears power sum factor of safety. Adopt capillary, glass pipe and tubular metal resonator fixed, reinforcing mechanicalness and thermal diffusivity, and production processes is simple.
Description
Technical field
The utility model relates to optical fiber collimator field, particularly relates to a kind of novel high-power optical fiber collimator structure.
Background technology
High-capacity optical fiber laser combines the laser system that advanced laser technology creates, and has excellent beam quality, high electrical efficiency and high-output power.They are widely used in parts mark, cutting, boring, welding and medical operating at present, and also in exploitation, other is applied as armament systems at present.The laser instrument for laser marking more common on market, general power is at 20W ~ 100W.When output power is higher, higher to the requirement of the collimating apparatus of laser instrument.Because after laser power acquires a certain degree, due to too high energy density, the output end face of collimating apparatus (containing certain end face inner) is easy to damage, thus cause collimating apparatus to burn even laser instrument also can be damaged.Therefore under the trend that fiber laser power is more and more higher, to output collimator bear power and reliability is proposed higher requirement.
The mainstream technology making high power collimating apparatus is in the market all first make optical fiber end cap, and then carries out collimation output with C-lens, and the usual method making optical fiber end cap is at Transmission Fibers end welding one section of multimode optical fiber or hollow-core fiber.The optical fiber end cap of such making can expand the output facula size of fiber end face, but the diameter or limited expanded.As fibre diameter restriction, when the fibre diameter of welding is 0.4mm, then the spot diameter after expanding must be less than 0.4mm.When the output power of laser instrument improves further, optical fiber end cap then farthest can not expand the output facula of end face, further can not reduce the energy density of output facula, bring certain potential safety hazard to the safety of laser instrument.
Summary of the invention
The utility model overcomes shortcoming of the prior art, provides one and bears that power is high, safety coefficient is large, production process is simple, easy-operating novel high-power optical fiber collimator structure.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
A kind of novel high-power optical fiber collimator structure, comprises optical fiber, C-lens, kapillary, glass tube, metal tube; Optical fiber is fixed on kapillary; Optical fiber one end end face welds with C-lens after cutting and putting down; The optical fiber be fixed together, C-lens, kapillary are positioned at glass tube, and C-lens and glass tube and kapillary and glass tube, all bonded together by heat-conducting type epoxide-resin glue; Glass tube is enclosed within metal tube, and is bonded together with heat-conducting type epoxide-resin glue.
All right: optical fiber adopts large core diameter high power passive fiber.
All right: the outgoing end face of C-lens is curvature sphere, is coated with high damage threshold anti-reflection film; Incident end face is processed into taper, and C-lens material must be identical with the core material of optical fiber or refractive index is identical.
All right: kapillary, processing a hydraucone near incident one end, facilitates optical fiber to penetrate; The external diameter of kapillary is consistent with the external diameter of C-lens.
All right: glass tube is quartz glass tube; The internal diameter of glass tube is consistent with the external diameter of kapillary, C-lens.
All right: metal tube selects the metal material of good heat conductivity, and sidewall thickness is more than 1mm; The internal diameter of metal tube is consistent with the external diameter of glass tube.
Profitable fruit of the present utility model is:
1. expand the facula area of outgoing end face, reduce the energy density more than ten times of end face output facula, what improve optical fiber collimator greatly bears power and safety coefficient.。
2. adopt kapillary, glass tube and metal tube to fix, strengthen mechanicalness and thermal diffusivity, packaging technology and existing prevailing technology substantially similar, make production process simple to operation.
Accompanying drawing explanation
Fig. 1 is the overall schematic of a kind of novel high-power optical fiber collimator structure of the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further illustrated.
A kind of novel high-power optical fiber collimator structure, comprises optical fiber 1, C-lens2, kapillary 3, glass tube 4, metal tube 5; Optical fiber 1 is fixed on kapillary 3; Optical fiber 1 one end end face welds with C-lens2 after cutting and putting down; The optical fiber 1 be fixed together, C-lens2, kapillary 3 are positioned at glass tube 4, C-lens2 and glass tube 4 and kapillary 3 and glass tube 4, are all bonded together by heat-conducting type epoxide-resin glue; Glass tube 4 is enclosed within metal tube 5, and is bonded together with heat-conducting type epoxide-resin glue.
Optical fiber 1 adopts large core diameter high power passive fiber, and the outgoing end face of C-lens2 is curvature sphere, is coated with high damage threshold anti-reflection film; Incident end face is processed into taper, and C-lens2 material must be identical with the core material of optical fiber 1 or refractive index is identical.Kapillary 3, processing a hydraucone near incident one end, facilitates optical fiber 1 to penetrate.With protective finish peel-off device, the coating stripping of the optical fiber 1 through that end of kapillary 3 is about 30mm, with optical fiber cutter cutting optical fibre 1, the fibre cladding after cutting is 5mm.Protect at the hydraucone place protective finish of some proper silica gel to optical fiber 1 of kapillary 3.The external diameter of kapillary 3 is consistent with the external diameter of C-lens2.Glass tube 4 is quartz glass tube, and the internal diameter of glass tube 4 is consistent with the external diameter of kapillary 3, C-lens2.Metal tube 5 selects the metal material of good heat conductivity, and as copper or other gildings, and sidewall thickness is more than 1mm.The internal diameter of metal tube 5 is consistent with the external diameter of glass tube 4.
A kind of novel high-power optical fiber collimator structure of the utility model makes the outgoing end face of the high power laser light of transmission in optical fiber 1 continue to move backward to the sphere of C-lens2 from optical fiber 1 end face or end cap end face, expand the facula area of outgoing end face, reduce the energy density more than ten times of end face output facula, what improve optical fiber collimator greatly bears power and safety coefficient.
Claims (6)
1.
onekind of novel high-power optical fiber collimator structure, comprises optical fiber (1), C-lens(2), kapillary (3), glass tube (4), metal tube (5); It is characterized in that: optical fiber (1) is fixed on kapillary (3); Optical fiber (1) one end end face cut flat after with C-lens(2) weld; The optical fiber (1), the C-lens(2 that are fixed together), kapillary (3) is positioned at glass tube (4), C-lens(2) and glass tube (4) and kapillary (3) and glass tube (4), all bonded together by heat-conducting type epoxide-resin glue; Glass tube (4) is enclosed within metal tube (5), and is bonded together with heat-conducting type epoxide-resin glue.
2. a kind of novel high-power optical fiber collimator structure according to claim 1, is characterized in that: optical fiber (1) adopts large core diameter high power passive fiber.
3. a kind of novel high-power optical fiber collimator structure according to claim 1, is characterized in that: described C-lens(2) outgoing end face be curvature sphere, be coated with high damage threshold anti-reflection film; Incident end face is processed into taper, C-lens(2) material must be identical with the core material of optical fiber (1) or refractive index is identical.
4. a kind of novel high-power optical fiber collimator structure according to claim 1, is characterized in that: kapillary (3), processing a hydraucone near incident one end, facilitates optical fiber (1) to penetrate; The external diameter of kapillary (3) and C-lens(2) external diameter consistent.
5. a kind of novel high-power optical fiber collimator structure according to claim 1, is characterized in that: glass tube (4) is quartz glass tube; Internal diameter and kapillary (3), the C-lens(2 of glass tube (4)) external diameter consistent.
6. a kind of novel high-power optical fiber collimator structure according to claim 1, is characterized in that: metal tube (5) selects the metal material of good heat conductivity, and sidewall thickness is more than 1mm; The internal diameter of metal tube (5) is consistent with the external diameter of glass tube (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520801424.8U CN205038369U (en) | 2015-10-19 | 2015-10-19 | Novel high power optical collimator structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520801424.8U CN205038369U (en) | 2015-10-19 | 2015-10-19 | Novel high power optical collimator structure |
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| CN205038369U true CN205038369U (en) | 2016-02-17 |
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| CN201520801424.8U Active CN205038369U (en) | 2015-10-19 | 2015-10-19 | Novel high power optical collimator structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199857A (en) * | 2016-07-28 | 2016-12-07 | 福建福晶科技股份有限公司 | A kind of high-power fiber collimation focusing mirror |
| CN107121736A (en) * | 2017-05-12 | 2017-09-01 | 广州奥埔达光电科技有限公司 | A kind of packaging system and its method for packing of automatically controlled optical device |
| CN109814209A (en) * | 2019-03-21 | 2019-05-28 | 江苏光扬光电科技有限公司 | A kind of optical fiber collimator and its production technology |
| CN112346178A (en) * | 2020-11-12 | 2021-02-09 | 中国人民解放军国防科技大学 | Integrated collimating optical fiber end cap capable of cutting off light beam and collimating optical fiber end cap array |
| CN113759467A (en) * | 2021-08-13 | 2021-12-07 | 腾景科技股份有限公司 | Novel optical fiber direct-melting collimator manufacturing method |
-
2015
- 2015-10-19 CN CN201520801424.8U patent/CN205038369U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199857A (en) * | 2016-07-28 | 2016-12-07 | 福建福晶科技股份有限公司 | A kind of high-power fiber collimation focusing mirror |
| CN107121736A (en) * | 2017-05-12 | 2017-09-01 | 广州奥埔达光电科技有限公司 | A kind of packaging system and its method for packing of automatically controlled optical device |
| CN109814209A (en) * | 2019-03-21 | 2019-05-28 | 江苏光扬光电科技有限公司 | A kind of optical fiber collimator and its production technology |
| CN112346178A (en) * | 2020-11-12 | 2021-02-09 | 中国人民解放军国防科技大学 | Integrated collimating optical fiber end cap capable of cutting off light beam and collimating optical fiber end cap array |
| CN112346178B (en) * | 2020-11-12 | 2022-09-02 | 中国人民解放军国防科技大学 | Integrated collimating optical fiber end cap capable of cutting off light beam and collimating optical fiber end cap array |
| CN113759467A (en) * | 2021-08-13 | 2021-12-07 | 腾景科技股份有限公司 | Novel optical fiber direct-melting collimator manufacturing method |
| CN113759467B (en) * | 2021-08-13 | 2024-02-20 | 腾景科技股份有限公司 | Novel optical fiber direct-melting collimator manufacturing method |
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| C14 | Grant of patent or utility model | ||
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