CN204086693U - The high-power adjustable spot delivery of one class - Google Patents
The high-power adjustable spot delivery of one class Download PDFInfo
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- CN204086693U CN204086693U CN201420536574.6U CN201420536574U CN204086693U CN 204086693 U CN204086693 U CN 204086693U CN 201420536574 U CN201420536574 U CN 201420536574U CN 204086693 U CN204086693 U CN 204086693U
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- expanded core
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Abstract
The high-power adjustable spot delivery of one class, it comprises: fixed lens, adjustable lens, Drazin inverse collimation lens, input collimation lens, expanded core fiber, kapillary, Transmission Fibers, pipe, the first bridgeware, the second bridgeware, the 3rd bridgeware; Described Transmission Fibers and expanded core fiber form expanded core fiber assembly, and described expanded core fiber assembly forms optical fiber head together with kapillary; Described input collimation lens, optical fiber head and pipe form and input collimating apparatus; Described fixed lens is arranged on the front end of input collimating apparatus, is connected with input collimating apparatus by the first bridgeware; Described adjustable lens is arranged on the front end of fixed lens, and described adjustable lens is connected with the first bridgeware by the second bridgeware again; Described Drazin inverse collimation lens is arranged on the front end of adjustable lens, and described adjustable lens is connected with the second bridgeware by the 3rd bridgeware again.The utility model output facula size is adjustable, and need not transform equipment, use cost is low, practicality is very strong.
Description
Technical field
The utility model relates to the fields such as Laser industry and military laser such as laser marking, cut, laser bonding, surface treatment, is the crucial optical fibre device that a class can be used for high power laser system, the high-power adjustable spot delivery of an especially a kind of class.
Background technology
Along with the application that high-capacity optical fiber laser is constantly expanded, the size of the output facula of laser instrument, shape need are also got more and more.In the optical-fiber laser application of constantly weeding out the old and bring forth the new, the application such as meticulous mark, etching, punching, surface treatment requires that the output facula of fiber laser can change flexibly by processing request.For the field lens of fixed focal length, input hot spot larger, focal beam spot is less, process meticulousr, efficiency is higher.Current hot spot zoom expands scheme, and not only volume is heavy, adjustment trouble, and cost is very high, function singleness, be not easy to integrated, is obviously difficult to meet subscriber equipment miniaturization, hommization, low cost, multi-functional, integrated demand.
Utility model content
The utility model fix for the output facula size of current fiber laser delivery and adjustable scheme loaded down with trivial details, need problems such as device structure being transformed, with high costs, devise the high-power adjustable spot delivery of a class.
Realizing above-mentioned purpose the technical solution of the utility model is: the high-power adjustable spot delivery of a class, it is characterized in that, it comprises: fixed lens 1, adjustable lens 2, Drazin inverse collimation lens 3, input collimation lens 4, expanded core fiber 5, kapillary 6, Transmission Fibers 7, pipe 8, first bridgeware 9, second bridgeware 10, the 3rd bridgeware 11; Described Transmission Fibers 7 forms expanded core fiber assembly with expanded core fiber 5, and described expanded core fiber assembly is arranged on the inside of kapillary 6, and described expanded core fiber assembly forms optical fiber head together with kapillary 6; Described input collimation lens 4 is positioned at the front end of optical fiber head, and described input collimation lens 4 and optical fiber head are arranged on the inside of pipe 8 simultaneously, and described input collimation lens 4, optical fiber head and pipe 8 forms and input collimating apparatus; Described fixed lens 1 is arranged on the front end of input collimating apparatus, is connected with input collimating apparatus by the first bridgeware 9; Described adjustable lens 2 is arranged on the front end of fixed lens 1, and described adjustable lens 2 is connected with the first bridgeware 9 by the second bridgeware 10 again; Described Drazin inverse collimation lens 3 is arranged on the front end of adjustable lens 2, and described adjustable lens 3 is connected with the second bridgeware 10 by the 3rd bridgeware 11 again.
Further, described expanded core fiber 5 adopts the doping of optical transparency quartz or fused quartz or glass, and the end face of described expanded core fiber 5 is by precise finiss polishing and plate high-quality anti-reflection film; Described collimation lens 4 adopts fused quartz or glass, and two end faces of described collimation lens 4 are by precise finiss polishing and plate high-quality anti-reflection film, and mode of its collimation is spherical lens or non-spherical lens or GRIN Lens.
Further, described fixed lens 1 adopts fused quartz or glass, and described fixed lens 1 is a negative focal length lens, and two end faces of described fixed lens 1 are by precise finiss polishing and plate high-quality anti-reflection film.
Further, described adjustable lens 2 adopts fused quartz or glass, and described adjustable lens 2 is negative focal length lens, and two end faces of described adjustable lens 2 are by precise finiss polishing and plate high-quality anti-reflection film.
Further, described fixed lens 1 or adjustable lens 2 are positive lenss.
Further, described fixed lens 1 and adjustable lens 2 are positive lenss.
Further, described fixed lens 1 and/or adjustable lens 2 are non-spherical lenses.
Further, the employing fused quartz of described adjustable lens 3 or glass, described adjustable lens 3 is positive focal length lens, and two end faces of described adjustable lens 3 are by precise finiss polishing and plate high-quality anti-reflection film.
Further, described adjustable lens 3 is by the lens combination of positive and negative lens combination.
Further, described first bridgeware 9, second bridgeware 10, the 3rd bridgeware 11 are all adopt abrasion-resistant stee or antifriction cast iron or stainless steel or aluminium alloy or aldary; Wherein, the surface of stainless steel or aluminium alloy or aldary adds wear-resistant coating or through overheated, Laser Surface Treatment.
The utility model output facula size is adjustable, and need not transform equipment, use cost is low, practicality is very strong.
Accompanying drawing explanation
The structural representation of the high-power adjustable spot delivery of a class that Fig. 1 provides for the utility model embodiment.
Embodiment
Be specifically described the utility model below in conjunction with accompanying drawing, as shown in Figure 1, the high-power adjustable spot delivery of a class, it comprises: Transmission Fibers 7, expanded core fiber 5, input collimation lens 4, fixed lens 1, adjustable lens 2, Drazin inverse collimation lens 3.Wherein: expanded core fiber 5 is to make Transmission Fibers 7 end face bear high power density, by demand improving laser damage threshold; Input collimation lens 4 is to make the stable collimation of hot spot, thus makes follow-up work simpler; Fixed lens 1, adjustable lens 2 and Drazin inverse collimation lens 3 acting in conjunction make output facula size simply adjustable.
For make said structure stablize adjustable, be simple and easy to, environmental reliability high, each several part should coordinate tight and have dust and moisture measure, and suitable material selection and tolerance on fit also can improve stability, the Repeatability and Reproducibility of adjustment; Specifically be implemented as follows: Transmission Fibers 7 and expanded core fiber 5 form expanded core fiber assembly, and expanded core fiber assembly is arranged on the inside of kapillary 6, and expanded core fiber assembly forms optical fiber head together with kapillary 6; Input collimation lens 4 is positioned at the front end of optical fiber head, and input collimation lens 4 and optical fiber head are arranged on the inside of pipe 8 simultaneously, and input collimation lens 4, optical fiber head and pipe 8 forms and input collimating apparatus; Fixed lens 1 is arranged on the front end of input collimating apparatus, is connected with input collimating apparatus by the first bridgeware 9; Adjustable lens 2 is arranged on the front end of fixed lens 1, and adjustable lens 2 is connected with the first bridgeware 9 by the second bridgeware 10 again; Drazin inverse collimation lens 3 is arranged on the front end of adjustable lens 2, and adjustable lens 3 is connected with the second bridgeware 10 by the 3rd bridgeware 11 again.Wherein, Transmission Fibers 7 can be the optical fiber of any kind, also can be polarization maintaining optical fibre, can have any fibre core size and cladding diameter size.
Further, expanded core fiber 5 adopts the doping of optical transparency quartz, fused quartz or glass, and the end face of expanded core fiber 5 is by precise finiss polishing and plate high-quality anti-reflection film, to ensure reliability.Expanded core fiber 5 is that material is homogeneous, the fibre core of refractive index and softening point and Transmission Fibers 7 or covering close or identical, the diameter of diameter and Transmission Fibers 7 close to or identical vitreous fibre; It should be noted that expanded core fiber 5 characterisitic parameter should with Transmission Fibers 7 close to or identical, with avoid and the fusion point performance that cause excessive due to property difference and reliability low; Collimation lens 4 adopts fused quartz or other glass, and two end faces of collimation lens 4 are by precise finiss polishing and plate high-quality anti-reflection film, and to ensure reliability, mode of its collimation is spherical lens or GRIN Lens.Collimation lens 4 can also be doping and to the transparent material of operation wavelength; The mode of collimation can also be non-spherical lens, can design according to Transmission Fibers characteristic and request for utilization; Its major function the diverging light sent from Transmission Fibers 7 is collimated into the collimation of needs or closely collimates hot spot.
Further, fixed lens 1 adopts fused quartz or other glass, and fixed lens 1 is a negative focal length lens, the hot spot that input collimating apparatus sends can be converted to and disperse hot spot, two end faces of fixed lens 1 are by precise finiss polishing and plate high-quality anti-reflection film, to ensure reliability.Fixed lens 1 can also adopt the transparent optical material of operation wavelength.
Further, adjustable lens 2 adopts fused quartz or other glass, and adjustable lens 2 is negative focal length lens, the hot spot of dispersing that fixed lens 1 sends can be dispersed further, two end faces of adjustable lens 2 are by precise finiss polishing and plate high-quality anti-reflection film, to ensure reliability.Adjustable lens 2 can also adopt the transparent optical material of operation wavelength.
Further, the employing fused quartz of adjustable lens 3 or other glass, adjustable lens 3 is positive focal length lens, and what adjustable lens 2 can be sent disperses hot spot collimation, two end faces of adjustable lens 3 are by precise finiss polishing and plate high-quality anti-reflection film, to ensure reliability.Adjustable lens 3 can also adopt the transparent optical material of operation wavelength.
Further, described fixed lens 1 or adjustable lens 2 are positive lenss.
Further, described fixed lens 1 and adjustable lens 2 are positive lenss.
Further, described fixed lens 1 and/or adjustable lens 2 are non-spherical lenses.
Further, based on the different demands to hot spot characteristic, adjustable lens 3 also can be lens combination, as formed by specially designed positive and negative lens combination, has the effect of anaberration.
Further, the first bridgeware 9, second bridgeware 10, the 3rd bridgeware 11 are all the metals that wearing quality is higher, as: abrasion-resistant stee or antifriction cast iron or stainless steel or aluminium alloy or aldary etc.; Wherein, the surface of stainless steel or aluminium alloy or aldary adds wear-resistant coating or through overheated, Laser Surface Treatment.To ensure the reliability, the Repeatability and Reproducibility that regulate; Need good fit and can along optical path direction relative movement between bridgeware.
In concrete manufacturing process, first Transmission Fibers 7 is divested the overlay of certain length with peeling tool, then clean up, then make it to form smooth bright and clean end face at certain length place cutting optical fibre with optical fiber cutting equipment, can consider that angle is cut according to practical application; Then put into optical fiber splicer stand-by, if Transmission Fibers 7 cladding diameter is comparatively large, then select the optical fiber splicer of coupling; Expanded core fiber 5 can process by the method similar with Transmission Fibers 7, the expanded core fiber 5 after flat cut is put into optical fiber splicer and Transmission Fibers 7 welding; Because Transmission Fibers 7 and expanded core fiber 5 have similar physical property, so they can complete deformation reliable welding little as far as possible under relatively simple welding condition.After Transmission Fibers 7 and expanded core fiber 5 being cleaned, and they are penetrated the inside of kapillary 6, control the degree of depth imported into as required; Click and enter suitable tackifier again optical fiber component and kapillary 6 are fixed, then precise finiss polishing, cleaning, plating high-quality antireflecting film.
Collimation lens 4 good for stringent clean is loaded the inside of pipe 8, stick with glue agent and fix; Again optical fiber head assembly is loaded in pipe 8, minute adjustment frame regulates the distance between optical fiber head assembly and collimation lens 4 to obtain the spot size expected and the angle of divergence; Stick with glue agent fixed fiber head group part and pipe 8 again.Conveniently assemble, the external diameter of usual kapillary 6 is close with the external diameter of collimation lens 4 or identical, and the two outside dimension will match with the internal diameter of pipe 8; Transmission Fibers 7, expanded core fiber 5, kapillary 6, collimation lens 4 and pipe 8 form collimator assembly.
Fixed lens 1 is arranged on the inside of the first bridgeware 9, and the assembly formed and aforementioned collimator assembly by welding, mechanical fasteners or tackifier fix; Adjustable lens 2 is arranged on the inside of the second bridgeware 10, and the assembly formed is flexibly connected with the first bridgeware 9; For convenience of adjustment, the outer wall of the second bridgeware 10 should be provided with scale, to indicate adjusting position, movable connection method adopts thread pair to coordinate or clearance fit, need to adjust relative distance vertically between first bridgeware 9 and the second bridgeware 10, to ensure that the distance between fixed lens 1 and adjustable lens 2 can change according to demand.In addition, need after being adjusted to desired locations, by fastening first bridgeware 9 and the second bridgeware 10 of reversible manner, stablize with Guarantee Status.
Adjustable lens 3 is arranged on the inside of the 3rd bridgeware 11, and the assembly formed is flexibly connected with the second bridgeware 10; In order to easy to adjust, the outer wall of the 3rd bridgeware 11 should be provided with scale, to indicate adjusting position; Movable connection method is that thread pair coordinates or clearance fit, needs to adjust relative distance vertically, to ensure that the distance between adjustable lens 3 and adjustable lens 2 can change according to demand between the second bridgeware 10 and the 3rd bridgeware 11.In addition, need after being adjusted to desired locations, by fastening second bridgeware 10 of reversible manner and the 3rd bridgeware 11, stablize with Guarantee Status.
The utility model is by welding one section of expanded core fiber and make damage threshold, reliability, performance, can greatly improve by production, the mode of poly-lens combination, by adjustment lenticular spacing from also using graduation indication, reach simple and easy to do, cheap, reliable and stable hot spot adjustment aim, for variation, customize, become more meticulous, the Laser Processing, scientific research etc. of high performance-price ratio provide optimum choice; The structure that the utility model discloses is the excellent fix of manufacture high-capacity optical fiber laser application, extremely can be widely used in the Laser Processing of a variety of different capacity rank and scientific research, defense applications; Its advantage has: 1, solving current Laser output head hot spot cannot the problem of adjusting size; 2, the problem of adjustable multiple beam expanding lens and the integrated difficulty of Transmission Fibers is solved; 3, solve that adjustable multiple beam expanding lens volume is large, price is high, the problem large with system communication difficulty; 4, the problem that adjustable times of bundle beam expanding lens is difficult to volume production is solved; 5, easy and simple to handle, with low cost; 6, can high power be born, reliability is high; 7, environment resistant performance is high, non-maintaining, solves the trouble and worry of user; 8, subsequent upgrade is convenient.
Technique scheme only embodies the optimal technical scheme of technical solutions of the utility model; those skilled in the art all embody principle of the present utility model to some variations that wherein some part may be made, and belong in protection domain of the present utility model.
Claims (10)
1. the high-power adjustable spot delivery of a class, it is characterized in that, it comprises: fixed lens (1), adjustable lens (2), Drazin inverse collimation lens (3), input collimation lens (4), expanded core fiber (5), kapillary (6), Transmission Fibers (7), pipe (8), the first bridgeware (9), the second bridgeware (10), the 3rd bridgeware (11); Described Transmission Fibers (7) and expanded core fiber (5) form expanded core fiber assembly, described expanded core fiber assembly is arranged on the inside of kapillary (6), and described expanded core fiber assembly forms optical fiber head together with kapillary (6); Described input collimation lens (4) is positioned at the front end of optical fiber head, described input collimation lens (4) and optical fiber head are arranged on the inside of pipe (8) simultaneously, and described input collimation lens (4), optical fiber head and pipe (8) form and input collimating apparatus; Described fixed lens (1) is arranged on the front end of input collimating apparatus, is connected with input collimating apparatus by the first bridgeware (9); Described adjustable lens (2) is arranged on the front end of fixed lens (1), and described adjustable lens (2) is connected with the first bridgeware (9) by the second bridgeware (10) again; Described Drazin inverse collimation lens (3) is arranged on the front end of adjustable lens (2), and described adjustable lens (3) is connected with the second bridgeware (10) by the 3rd bridgeware (11) again.
2. the high-power adjustable spot delivery of a class as claimed in claim 1, it is characterized in that, described expanded core fiber (5) adopts the doping of optical transparency quartz or fused quartz or glass, and the end face of described expanded core fiber (5) is by precise finiss polishing and plate high-quality anti-reflection film; Described collimation lens (4) adopts fused quartz or glass, and two end faces of described collimation lens (4) are by precise finiss polishing and plate high-quality anti-reflection film, and mode of its collimation is spherical lens or non-spherical lens or GRIN Lens.
3. the high-power adjustable spot delivery of a class as claimed in claim 1, it is characterized in that, described fixed lens (1) adopts fused quartz or glass, described fixed lens (1) is a negative focal length lens, and two end faces of described fixed lens (1) are by precise finiss polishing and plate high-quality anti-reflection film.
4. the high-power adjustable spot delivery of a class as claimed in claim 1, it is characterized in that, described adjustable lens (2) adopts fused quartz or glass, described adjustable lens (2) is a negative focal length lens, and two end faces of described adjustable lens (2) are by precise finiss polishing and plate high-quality anti-reflection film.
5. the high-power adjustable spot delivery of a class as claimed in claim 1, is characterized in that, described fixed lens (1) or adjustable lens (2) are positive lenss.
6. the high-power adjustable spot delivery of a class as claimed in claim 1, is characterized in that, described fixed lens (1) and adjustable lens (2) are positive lenss.
7. the high-power adjustable spot delivery of a class as claimed in claim 1, is characterized in that, described fixed lens (1) and/or adjustable lens (2) are non-spherical lenses.
8. the high-power adjustable spot delivery of a class as claimed in claim 1, it is characterized in that, the employing fused quartz of described adjustable lens (3) or glass, described adjustable lens (3) is positive focal length lens, and two end faces of described adjustable lens (3) are by precise finiss polishing and plate high-quality anti-reflection film.
9. the high-power adjustable spot delivery of a class as claimed in claim 1, it is characterized in that, described adjustable lens (3) is by the lens combination of positive and negative lens combination.
10. the high-power adjustable spot delivery of a class as claimed in claim 1, it is characterized in that, described first bridgeware (9), the second bridgeware (10), the 3rd bridgeware (11) are all adopt abrasion-resistant stee or antifriction cast iron or stainless steel or aluminium alloy or aldary; Wherein, the surface of stainless steel or aluminium alloy or aldary adds wear-resistant coating or through overheated, Laser Surface Treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420536574.6U CN204086693U (en) | 2014-09-18 | 2014-09-18 | The high-power adjustable spot delivery of one class |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420536574.6U CN204086693U (en) | 2014-09-18 | 2014-09-18 | The high-power adjustable spot delivery of one class |
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| Publication Number | Publication Date |
|---|---|
| CN204086693U true CN204086693U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420536574.6U Expired - Fee Related CN204086693U (en) | 2014-09-18 | 2014-09-18 | The high-power adjustable spot delivery of one class |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022040620A1 (en) * | 2020-08-21 | 2022-02-24 | Ipg Photonics Corporation | Compact laser head |
| CN114185133A (en) * | 2021-12-10 | 2022-03-15 | 中国科学院长春光学精密机械与物理研究所 | Divergence angle continuously adjustable optical fiber collimator |
| WO2023185151A1 (en) * | 2022-03-31 | 2023-10-05 | 武汉锐科光纤激光技术股份有限公司 | Light beam collimation device, method and apparatus, storage medium, and electronic apparatus |
-
2014
- 2014-09-18 CN CN201420536574.6U patent/CN204086693U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022040620A1 (en) * | 2020-08-21 | 2022-02-24 | Ipg Photonics Corporation | Compact laser head |
| CN114185133A (en) * | 2021-12-10 | 2022-03-15 | 中国科学院长春光学精密机械与物理研究所 | Divergence angle continuously adjustable optical fiber collimator |
| WO2023185151A1 (en) * | 2022-03-31 | 2023-10-05 | 武汉锐科光纤激光技术股份有限公司 | Light beam collimation device, method and apparatus, storage medium, and electronic apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20200918 |
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| CF01 | Termination of patent right due to non-payment of annual fee |