CN102789067A - Beam collimating device of high-power semiconductor laser array - Google Patents
Beam collimating device of high-power semiconductor laser array Download PDFInfo
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- CN102789067A CN102789067A CN2011101277592A CN201110127759A CN102789067A CN 102789067 A CN102789067 A CN 102789067A CN 2011101277592 A CN2011101277592 A CN 2011101277592A CN 201110127759 A CN201110127759 A CN 201110127759A CN 102789067 A CN102789067 A CN 102789067A
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Abstract
The invention discloses a beam collimating device of a high-power semiconductor laser array. The beam collimating device comprises a fiber bundle and is characterized by comprising a focusing coupling lens system, a first plano-convex lens, a plano-concave lens, a biconcave lens, a biconvex lens, a second plano-convex lens and an output lens which are sequentially arranged along the transmission direction of beams; and a convex surface of the first plano-convex lens faces towards an output surface of the focusing coupling lens system, a concave surface of the plano-concave lens faces towards the output surface of the focusing coupling lens system, the biconcave lens and the biconvex lens are glued together, and a convex surface of the second plano-convex lens backs on to the output surface of the focusing coupling lens system. According to the beam collimating device of the high-power semiconductor laser array, high-power, high-brightness, evenly distributed beam intensity, good-collimation and high-quality beam output is achieved.
Description
Technical field
The invention belongs to field of semiconductor lasers, concrete relate to a kind of high power laser array beam collimation device.
Background technology
Known; It is little that the high power semiconductor lasers array has a volume; Life-span is long, photoelectric transformation efficiency is high, output power density is high, direct advantage such as current-modulation, at medical treatment, material processed and aspects such as processing, solid state laser end pumping important use is arranged.
But because semiconductor laser and array active layer special structural characteristics thereof, make its output beam quality very poor, thus largely limit the practical application of semiconductor laser and array thereof.Therefore the research of sending the beam collimation focusing technology of noise spectra of semiconductor lasers array also more and more comes into one's own in recent years and develops.
Summary of the invention
The present invention aims to provide a kind of high power laser array beam collimation device, makes laser array realize high power, high brightness, inculcates the high quality beam output that intensity distributions is even, collimation is good.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention realizes through following technical scheme:
A kind of high power laser array beam collimation device; Comprise fibre bundle, it is characterized in that: on the direction of beam propagation, be disposed with and focus on coupled lens system, first plano-convex lens, plano-concave lens, biconcave lens, biconvex lens, second plano-convex lens and outgoing mirror; The convex surface of said first plano-convex lens is towards the output face of said focusing coupled lens system; The concave surface of said plano-concave lens is towards the output face of said focusing coupled lens system; Said biconcave lens, biconvex lens are glued together, the output face of the said dorsad focusing coupled lens of the convex surface of said second plano-convex lens system.
Compared with prior art, the present invention has following beneficial effect:
The present invention has realized high power, high brightness, the high-quality output that beam intensity is even, collimation is good.
Above-mentioned explanation only is the general introduction of technical scheme of the present invention, understands technological means of the present invention in order can more to know, and can implement according to the content of instructions, below with preferred embodiment of the present invention and conjunction with figs. specify as after.Embodiment of the present invention is provided by following examples and accompanying drawing thereof in detail.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 shows structural representation of the present invention.
Label declaration among the figure: 1, fibre bundle, 2, focus on the coupled lens system, 3, first plano-convex lens, 4, plano-concave lens, 5, biconcave lens, 6, biconvex lens, 7, second plano-convex lens, 8, outgoing mirror.
Embodiment
Below with reference to accompanying drawing and combine embodiment, specify the present invention.
Referring to shown in Figure 1; A kind of high power laser array beam collimation device; Comprise fibre bundle 1, it is characterized in that: on the direction of beam propagation, be disposed with the coupled lens system 2 of focusing on, first plano-convex lens 3, plano-concave lens 4, biconcave lens 5, biconvex lens 6, second plano-convex lens 7 and outgoing mirror 8; The convex surface of said first plano-convex lens 3 is towards the output face of said focusing coupled lens system 2; The concave surface of said plano-concave lens 4 is towards the output face of said focusing coupled lens system 2; Said biconcave lens 5 is glued together with biconvex lens 6, the output face of the said dorsad focusing coupled lens of the convex surface of said second plano-convex lens 7 system 2.
Fibre bundle 1 emitted light beams is carried out anaberration through the focusing coupled lens system 2 and first plano-convex lens 3; Plano-concave lens 4 makes light beam object distance lengthening, makes beam intensity even; Spherical aberration, coma are eliminated in the combination of biconvex lens 5 and biconvex lens 6; Second plano-convex lens 7 makes the parallel output of the light velocity with outgoing mirror 8.To sum up the present invention makes laser array realization high power, high brightness, light beam sew and mend uniform parallel beam output.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (1)
1. high power laser array beam collimation device; Comprise fibre bundle (1), it is characterized in that: on the direction of beam propagation, be disposed with and focus on coupled lens system (2), first plano-convex lens (3), plano-concave lens (4), biconcave lens (5), biconvex lens (6), second plano-convex lens (7) and outgoing mirror (8); The convex surface of said first plano-convex lens (3) is towards the output face of said focusing coupled lens system (2); The concave surface of said plano-concave lens (4) is towards the output face of said focusing coupled lens system (2); Said biconcave lens (5), biconvex lens (6) are glued together, the output face of the said dorsad focusing coupled lens of the convex surface system (2) of said second plano-convex lens (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101277592A CN102789067A (en) | 2011-05-18 | 2011-05-18 | Beam collimating device of high-power semiconductor laser array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101277592A CN102789067A (en) | 2011-05-18 | 2011-05-18 | Beam collimating device of high-power semiconductor laser array |
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| Publication Number | Publication Date |
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| CN102789067A true CN102789067A (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101277592A Pending CN102789067A (en) | 2011-05-18 | 2011-05-18 | Beam collimating device of high-power semiconductor laser array |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109358428A (en) * | 2018-11-15 | 2019-02-19 | 合肥富煌君达高科信息技术有限公司 | A kind of novel laser diode optical path reshaping device having regulatory function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1687840A (en) * | 2005-04-30 | 2005-10-26 | 中国科学院长春光学精密机械与物理研究所 | Apparatus for aligning and focusing high-power semiconductor laser array light beam |
| CN201204381Y (en) * | 2008-05-09 | 2009-03-04 | 北京工业大学 | Combination device for semiconductor laser |
| CN201758240U (en) * | 2010-05-21 | 2011-03-09 | 太原理工大学 | Semiconductor laser collimation beam expander |
| CN202119983U (en) * | 2011-05-18 | 2012-01-18 | 苏州生物医学工程技术研究所 | Large power semiconductor laser array light beam aligning apparatus |
-
2011
- 2011-05-18 CN CN2011101277592A patent/CN102789067A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1687840A (en) * | 2005-04-30 | 2005-10-26 | 中国科学院长春光学精密机械与物理研究所 | Apparatus for aligning and focusing high-power semiconductor laser array light beam |
| CN201204381Y (en) * | 2008-05-09 | 2009-03-04 | 北京工业大学 | Combination device for semiconductor laser |
| CN201758240U (en) * | 2010-05-21 | 2011-03-09 | 太原理工大学 | Semiconductor laser collimation beam expander |
| CN202119983U (en) * | 2011-05-18 | 2012-01-18 | 苏州生物医学工程技术研究所 | Large power semiconductor laser array light beam aligning apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109358428A (en) * | 2018-11-15 | 2019-02-19 | 合肥富煌君达高科信息技术有限公司 | A kind of novel laser diode optical path reshaping device having regulatory function |
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Application publication date: 20121121 |