CN113898883A - Laser lighting device - Google Patents
Laser lighting device Download PDFInfo
- Publication number
- CN113898883A CN113898883A CN202111219828.2A CN202111219828A CN113898883A CN 113898883 A CN113898883 A CN 113898883A CN 202111219828 A CN202111219828 A CN 202111219828A CN 113898883 A CN113898883 A CN 113898883A
- Authority
- CN
- China
- Prior art keywords
- cylindrical mirror
- cylindrical
- semiconductor laser
- laser
- beams emitted
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/69—Details of refractors forming part of the light source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/043—Refractors for light sources of lens shape the lens having cylindrical faces, e.g. rod lenses, toric lenses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/30—Semiconductor lasers
Abstract
The invention discloses a laser lighting device, which is characterized in that: the laser device comprises a semiconductor laser, a first cylindrical mirror and a second cylindrical mirror, wherein the first cylindrical mirror is arranged between the semiconductor laser and the second cylindrical mirror, and the first cylindrical mirror and the second cylindrical mirror are arranged in an orthogonal mode; the first cylindrical mirror compresses and emits light beams emitted by the semiconductor laser along the fast axis direction; the second cylindrical lens compresses and emits light beams emitted by the semiconductor laser along the slow axis direction; the light beams emitted along the fast axis and the slow axis are compressed by the first cylindrical mirror and the second cylindrical mirror to form rectangular light spots at a certain distance. The invention realizes rectangular illumination and improves the application range.
Description
Technical Field
The present disclosure relates to laser devices, and particularly to a laser illumination device.
Background
Laser illumination usually adopts a fiber laser as a light source, and laser has a certain divergence angle after passing through a collimation optical system, so that a circular illumination area is formed at a certain distance. But limited by the illumination area, can not be effectively used in some special fields.
Disclosure of Invention
The invention aims to provide a laser lighting device, which realizes a rectangular lighting area at a certain distance by using the structure and improves the application range.
In order to achieve the purpose, the invention adopts the technical scheme that: a laser lighting device comprises a semiconductor laser, a first cylindrical mirror and a second cylindrical mirror, wherein the first cylindrical mirror is arranged between the semiconductor laser and the second cylindrical mirror, and the first cylindrical mirror and the second cylindrical mirror are arranged in an orthogonal mode;
the first cylindrical mirror compresses and emits light beams emitted by the semiconductor laser along the fast axis direction; the second cylindrical lens compresses and emits light beams emitted by the semiconductor laser along the slow axis direction;
the light beams emitted along the fast axis and the slow axis are compressed by the first cylindrical mirror and the second cylindrical mirror to form rectangular light spots at a certain distance.
In the above technical solution, the divergence angle of the output light beam of the first cylindrical mirror is the same as or different from the divergence angle of the output light beam of the second cylindrical mirror.
In the above technical solution, the first cylindrical mirror and the second cylindrical mirror are spherical cylindrical mirrors or aspherical cylindrical mirrors.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. according to the invention, through the first cylindrical mirror and the second cylindrical mirror which are orthogonal to each other, the light beams with divergence angles in two different directions are output, and rectangular light spots are formed at a certain distance, so that the rectangular area illumination effect is realized, the rectangular area illumination device can be suitable for different area illumination, and the application range is improved.
Drawings
Fig. 1 is a schematic structural diagram in a first embodiment of the present invention.
Wherein: 1. a semiconductor laser; 2. a first cylindrical mirror; 3. and a second cylindrical lens.
Detailed Description
The invention is further described with reference to the following figures and examples:
the first embodiment is as follows: referring to fig. 1, a laser lighting device includes a semiconductor laser 1, a first cylindrical mirror 2 and a second cylindrical mirror 3, where the first cylindrical mirror is disposed between the semiconductor laser and the second cylindrical mirror, and the first cylindrical mirror and the second cylindrical mirror are orthogonally disposed;
the first cylindrical mirror compresses and emits light beams emitted by the semiconductor laser along the fast axis direction; the second cylindrical lens compresses and emits light beams emitted by the semiconductor laser along the slow axis direction;
the light beams emitted along the fast axis and the slow axis are compressed by the first cylindrical mirror and the second cylindrical mirror to form rectangular light spots at a certain distance.
The divergence angle of the output light beam of the first cylindrical mirror is the same as or different from the divergence angle of the output light beam of the second cylindrical mirror.
In this embodiment, the divergence angle of the light beam in the fast axis direction of the semiconductor laser is an angle a, the divergence angle of the light beam in the slow axis direction of the semiconductor laser is an angle b, the first cylindrical mirror compresses the divergent light beam with the divergence angle a into a light beam with an angle c for emission, and the second cylindrical mirror compresses the divergent light beam with the divergence angle b into a light beam with a divergence angle d for emission, wherein the divergence angle c and the divergence angle d may be the same or different, so that the light beams emitted along the fast axis direction and the slow axis direction form rectangular light spots at a certain distance, thereby realizing the illumination effect of a rectangular area.
The first cylindrical mirror and the second cylindrical mirror are spherical cylindrical mirrors or aspheric cylindrical mirrors.
In the embodiment, the emission wavelength of the semiconductor laser is 1550nm, the light emitting surface of the rake bar is 90 μm × 1 μm, the divergence angle of the fast and slow axes is 36 ° × 10 °, the divergence angle of the output light beam is 7 ° × 5 ° at a distance of 500m, and the size of the rectangular light spot is 60m × 44m, so that rectangular illumination is realized.
Claims (3)
1. A laser lighting device, characterized by: the laser device comprises a semiconductor laser, a first cylindrical mirror and a second cylindrical mirror, wherein the first cylindrical mirror is arranged between the semiconductor laser and the second cylindrical mirror, and the first cylindrical mirror and the second cylindrical mirror are arranged in an orthogonal mode;
the first cylindrical mirror compresses and emits light beams emitted by the semiconductor laser along the fast axis direction; the second cylindrical lens compresses and emits light beams emitted by the semiconductor laser along the slow axis direction;
the light beams emitted along the fast axis and the slow axis are compressed by the first cylindrical mirror and the second cylindrical mirror to form rectangular light spots at a certain distance.
2. The laser lighting device according to claim 1, wherein: the divergence angle of the output light beam of the first cylindrical mirror is the same as or different from the divergence angle of the output light beam of the second cylindrical mirror.
3. The laser lighting device according to claim 1, wherein: the first cylindrical mirror and the second cylindrical mirror are spherical cylindrical mirrors or aspheric cylindrical mirrors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111219828.2A CN113898883A (en) | 2021-10-20 | 2021-10-20 | Laser lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111219828.2A CN113898883A (en) | 2021-10-20 | 2021-10-20 | Laser lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113898883A true CN113898883A (en) | 2022-01-07 |
Family
ID=79192752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111219828.2A Pending CN113898883A (en) | 2021-10-20 | 2021-10-20 | Laser lighting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113898883A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101833150A (en) * | 2010-05-18 | 2010-09-15 | 中国科学院长春光学精密机械与物理研究所 | Fiber coupling module of high-power semiconductor laser |
| CN202720390U (en) * | 2012-02-29 | 2013-02-06 | 南通傲迈光电科技有限公司 | Beam shaping structure of array semiconductor laser |
| CN103792666A (en) * | 2014-02-18 | 2014-05-14 | 山东神戎电子股份有限公司 | Laser night vision auxiliary driving laser illuminator |
| CN104466643A (en) * | 2014-12-11 | 2015-03-25 | 中国工程物理研究院应用电子学研究所 | Semiconductor laser pumping homogenization coupling device |
| CN204631362U (en) * | 2015-05-11 | 2015-09-09 | 宁波远明激光技术有限公司 | Semiconductor laser beam collimator apparatus |
| CN109387948A (en) * | 2017-08-04 | 2019-02-26 | 维林光电(苏州)有限公司 | A kind of optical fiber output laser |
| CN111458814A (en) * | 2020-05-19 | 2020-07-28 | 杭州一全光电有限公司 | Orthogonal coupling light path |
-
2021
- 2021-10-20 CN CN202111219828.2A patent/CN113898883A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101833150A (en) * | 2010-05-18 | 2010-09-15 | 中国科学院长春光学精密机械与物理研究所 | Fiber coupling module of high-power semiconductor laser |
| CN202720390U (en) * | 2012-02-29 | 2013-02-06 | 南通傲迈光电科技有限公司 | Beam shaping structure of array semiconductor laser |
| CN103792666A (en) * | 2014-02-18 | 2014-05-14 | 山东神戎电子股份有限公司 | Laser night vision auxiliary driving laser illuminator |
| CN104466643A (en) * | 2014-12-11 | 2015-03-25 | 中国工程物理研究院应用电子学研究所 | Semiconductor laser pumping homogenization coupling device |
| CN204631362U (en) * | 2015-05-11 | 2015-09-09 | 宁波远明激光技术有限公司 | Semiconductor laser beam collimator apparatus |
| CN109387948A (en) * | 2017-08-04 | 2019-02-26 | 维林光电(苏州)有限公司 | A kind of optical fiber output laser |
| CN111458814A (en) * | 2020-05-19 | 2020-07-28 | 杭州一全光电有限公司 | Orthogonal coupling light path |
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