JP6285650B2 - レーザ装置 - Google Patents
レーザ装置 Download PDFInfo
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- JP6285650B2 JP6285650B2 JP2013139993A JP2013139993A JP6285650B2 JP 6285650 B2 JP6285650 B2 JP 6285650B2 JP 2013139993 A JP2013139993 A JP 2013139993A JP 2013139993 A JP2013139993 A JP 2013139993A JP 6285650 B2 JP6285650 B2 JP 6285650B2
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- 230000003287 optical effect Effects 0.000 claims description 133
- 239000004065 semiconductor Substances 0.000 claims description 114
- 238000003384 imaging method Methods 0.000 claims description 39
- 230000004907 flux Effects 0.000 claims description 14
- 238000003491 array Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 description 14
- 230000005284 excitation Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000010453 quartz Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000012780 transparent material Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000010432 diamond Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/12—Beam splitting or combining systems operating by refraction only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0905—Dividing and/or superposing multiple light beams
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/106—Beam splitting or combining systems for splitting or combining a plurality of identical beams or images, e.g. image replication
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4012—Beam combining, e.g. by the use of fibres, gratings, polarisers, prisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
- G02B19/0052—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a laser diode
- G02B19/0057—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a laser diode in the form of a laser diode array, e.g. laser diode bar
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0916—Adapting the beam shape of a semiconductor light source such as a laser diode or an LED, e.g. for efficiently coupling into optical fibers
- G02B27/0922—Adapting the beam shape of a semiconductor light source such as a laser diode or an LED, e.g. for efficiently coupling into optical fibers the semiconductor light source comprising an array of light emitters
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/1066—Beam splitting or combining systems for enhancing image performance, like resolution, pixel numbers, dual magnifications or dynamic range, by tiling, slicing or overlapping fields of view
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
- H01S5/4031—Edge-emitting structures
- H01S5/4043—Edge-emitting structures with vertically stacked active layers
- H01S5/405—Two-dimensional arrays
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Semiconductor Lasers (AREA)
- Laser Beam Processing (AREA)
- Optical Elements Other Than Lenses (AREA)
Description
図1は、本発明の第1実施形態に係るレーザ装置1Aの構成を示す平面図である。また、図2は、レーザ装置1Aが備える半導体レーザアレイスタックLS1〜LSNの構成を示す斜視図である。なお、理解の容易の為、図1及び図2にはXYZ直交座標系が示されている。
図3は、本発明の第2実施形態に係るレーザ装置1Bの構成を示す平面図である。図4は、図3に示されたレーザ装置1BをY軸方向から見た側面図である。図5は、図3に示されたレーザ装置1Bの構成を示す斜視図である。図3〜図5に示されるように、本実施形態のレーザ装置1Bは、N個(Nは2以上の整数。図ではN=8の場合を例示)の半導体レーザアレイスタックLS1〜LSNと、プリズム光学系10Bと、コリメータレンズスタック16と、結像光学系18とを備えている。なお、半導体レーザアレイスタックLS1〜LSN自体の構成、コリメータレンズスタック16の配置および構成、並びに結像光学系18の構成は、前述した第1実施形態と同様であるため詳細な説明を省略する。
図6は、本発明の第3実施形態に係るレーザ装置1Cの構成を示す平面図である。図7は、図6に示されたレーザ装置1CをY軸方向から見た側面図である。図8は、レーザ装置1Cの構成を示す斜視図である。なお、理解の容易の為、図8ではレーザ光束の図示を省略している。
Claims (3)
- 所定方向に配列された二以上の発光領域からレーザ光を出射する複数の半導体レーザアレイが出射方向を揃えて前記所定方向及び前記出射方向と交差する積層方向に積層されて成り、前記複数の半導体レーザアレイから出射される前記レーザ光を一光束として各々出力するN個(Nは2以上の整数)の半導体レーザアレイスタックと、
前記光束に含まれる前記レーザ光の速軸方向の平行化を行う第1コリメート部と、
前記N個の半導体レーザアレイスタックそれぞれから出力されて前記第1コリメート部を経た前記光束を透過するとともに、該光束の光軸を該光軸と交差する方向にシフトすることにより前記光束同士の間隔を縮小するプリズム光学系と、
前記N個の半導体レーザアレイスタックそれぞれから出力されて前記プリズム光学系を経た各光束を、遅軸方向と交差する面内において光束毎に集光するN個の結像レンズ、及び、前記プリズム光学系を経た各光束の光軸を該面内において光束毎に偏向するN個の偏向光学素子を含む結像光学系と
を備え、
前記N個の偏向光学素子は、所定位置においてN本の前記光束が互いに重なるように各光束を偏向し、
前記N個の結像レンズは、前記結像光学系と前記所定位置との間に各光束の集光点を生じさせ、
光出射方向において、少なくとも2つの前記光束における前記集光点の位置が互いに異なることを特徴とする、レーザ装置。 - 前記N個の半導体レーザアレイスタックが前記積層方向に並んで配置されており、
前記プリズム光学系が、前記光束の光軸を前記積層方向にシフトすることを特徴とする、請求項1に記載のレーザ装置。 - 一又は複数の前記半導体レーザアレイスタックを含む第1の群と、一又は複数の前記半導体レーザアレイスタックを含む第2の群とが前記所定方向に並んで配置されており、
前記プリズム光学系は、前記第1の群に含まれる前記半導体レーザアレイスタックから出射される前記光束と、前記第2の群に含まれる前記半導体レーザアレイスタックから出射される前記光束との間隔が縮小するように、前記所定方向に該光束の光軸をシフトすることを特徴とする、請求項1に記載のレーザ装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013139993A JP6285650B2 (ja) | 2013-07-03 | 2013-07-03 | レーザ装置 |
EP14819679.3A EP3018776B1 (en) | 2013-07-03 | 2014-05-23 | Laser device |
CN201480036662.2A CN105340140B (zh) | 2013-07-03 | 2014-05-23 | 激光装置 |
KR1020167000913A KR102181434B1 (ko) | 2013-07-03 | 2014-05-23 | 레이저 장치 |
US14/900,288 US10133079B2 (en) | 2013-07-03 | 2014-05-23 | Laser device having semiconductor laser array stacks |
PCT/JP2014/063720 WO2015001866A1 (ja) | 2013-07-03 | 2014-05-23 | レーザ装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013139993A JP6285650B2 (ja) | 2013-07-03 | 2013-07-03 | レーザ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015015305A JP2015015305A (ja) | 2015-01-22 |
JP6285650B2 true JP6285650B2 (ja) | 2018-02-28 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2013139993A Active JP6285650B2 (ja) | 2013-07-03 | 2013-07-03 | レーザ装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10133079B2 (ja) |
EP (1) | EP3018776B1 (ja) |
JP (1) | JP6285650B2 (ja) |
KR (1) | KR102181434B1 (ja) |
CN (1) | CN105340140B (ja) |
WO (1) | WO2015001866A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6761600B2 (ja) * | 2017-01-05 | 2020-09-30 | 大日本印刷株式会社 | 照明装置 |
JP6536724B1 (ja) * | 2018-07-04 | 2019-07-03 | ウシオ電機株式会社 | 光源装置、プロジェクタ |
US10795172B1 (en) * | 2018-09-20 | 2020-10-06 | Casey LEWIS | Apparatus and method of combining multiple laser beams using a negative focal length radial gradient index rod lens |
CN109581326B (zh) * | 2018-11-16 | 2021-05-07 | 上海禾赛科技股份有限公司 | 一种用于激光雷达的光学器件固定结构 |
CN109375337B (zh) * | 2018-11-16 | 2021-10-08 | 上海禾赛科技有限公司 | 一种棱镜固定结构 |
WO2020116084A1 (ja) * | 2018-12-06 | 2020-06-11 | パナソニックセミコンダクターソリューションズ株式会社 | 光源ユニット、照明装置、加工装置及び偏向素子 |
US11506850B2 (en) * | 2018-12-13 | 2022-11-22 | Sony Group Corporation | Optical connector, optical cable, and electronic device |
CN111722459B (zh) * | 2019-03-19 | 2022-08-26 | 青岛海信激光显示股份有限公司 | 一种激光器组件、激光光源和激光投影设备 |
CN114296089B (zh) * | 2022-03-03 | 2022-06-14 | 深圳市海创光学有限公司 | 光学系统及激光雷达 |
CN115128894B (zh) * | 2022-07-29 | 2023-09-26 | 青岛海信激光显示股份有限公司 | 投影光源和投影设备 |
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2013
- 2013-07-03 JP JP2013139993A patent/JP6285650B2/ja active Active
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2014
- 2014-05-23 WO PCT/JP2014/063720 patent/WO2015001866A1/ja active Application Filing
- 2014-05-23 KR KR1020167000913A patent/KR102181434B1/ko active IP Right Grant
- 2014-05-23 CN CN201480036662.2A patent/CN105340140B/zh active Active
- 2014-05-23 EP EP14819679.3A patent/EP3018776B1/en active Active
- 2014-05-23 US US14/900,288 patent/US10133079B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
WO2015001866A1 (ja) | 2015-01-08 |
US20160370593A1 (en) | 2016-12-22 |
CN105340140B (zh) | 2019-04-30 |
CN105340140A (zh) | 2016-02-17 |
KR102181434B1 (ko) | 2020-11-23 |
EP3018776A4 (en) | 2017-05-03 |
KR20160026988A (ko) | 2016-03-09 |
EP3018776B1 (en) | 2019-05-22 |
JP2015015305A (ja) | 2015-01-22 |
EP3018776A1 (en) | 2016-05-11 |
US10133079B2 (en) | 2018-11-20 |
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