JP2015152668A - レーザ光源装置及び画像投影装置 - Google Patents
レーザ光源装置及び画像投影装置 Download PDFInfo
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- JP2015152668A JP2015152668A JP2014024262A JP2014024262A JP2015152668A JP 2015152668 A JP2015152668 A JP 2015152668A JP 2014024262 A JP2014024262 A JP 2014024262A JP 2014024262 A JP2014024262 A JP 2014024262A JP 2015152668 A JP2015152668 A JP 2015152668A
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- JP
- Japan
- Prior art keywords
- light source
- laser
- laser light
- incident
- laser beam
- 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
-
- 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
- G02B27/48—Laser speckle optics
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2013—Plural light sources
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
-
- 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
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4206—Optical features
Abstract
Description
また、レーザ光源装置は、レーザ光を出射する複数の光源部と、前記複数の光源部から出射されるレーザ光が入射され、当該光を導光体の入射面に向けて出射する光学系と、を備え、前記複数の光源部は、レーザ光の光軸の前記入射面に対する入射角の大きさごとに複数のレーザ光源群に区分され、前記光源部及び前記光学系は、前記レーザ光源群のレーザ光の入射角が大きいほど、当該レーザ光源群のレーザ光の光パワーの平均値が大きくなるように、構成される。
Claims (3)
- レーザ光を出射する複数の光源部と、
前記複数の光源部から出射されるレーザ光が入射される入射面を有する導光体と、を備え、
前記複数の光源部は、レーザ光の光軸の前記入射面に対する入射角の大きさごとに、複数のレーザ光源群に区分され、
前記レーザ光源群のレーザ光の入射角が大きいほど、当該レーザ光源群のレーザ光の光パワーの平均値が大きいレーザ光源装置。 - 前記光源部のレーザ光の入射角が大きいほど、当該光源部のレーザ光の光パワーが大きい請求項1に記載のレーザ光源装置。
- 請求項1又は2に記載のレーザ光源装置を少なくとも一つ備え、前記レーザ光源装置から出射される光を投射光として用いる画像投影装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014024262A JP5804102B2 (ja) | 2014-02-12 | 2014-02-12 | レーザ光源装置及び画像投影装置 |
PCT/JP2015/053241 WO2015122347A1 (ja) | 2014-02-12 | 2015-02-05 | レーザ光源装置及び画像投影装置 |
US15/117,417 US20160341972A1 (en) | 2014-02-12 | 2015-02-05 | Laser light source device and image projection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014024262A JP5804102B2 (ja) | 2014-02-12 | 2014-02-12 | レーザ光源装置及び画像投影装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015152668A true JP2015152668A (ja) | 2015-08-24 |
JP5804102B2 JP5804102B2 (ja) | 2015-11-04 |
Family
ID=53800094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014024262A Active JP5804102B2 (ja) | 2014-02-12 | 2014-02-12 | レーザ光源装置及び画像投影装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20160341972A1 (ja) |
JP (1) | JP5804102B2 (ja) |
WO (1) | WO2015122347A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018131257A1 (ja) * | 2017-01-10 | 2018-07-19 | ソニー株式会社 | 光源装置、光源制御方法および画像取得システム |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10082673B2 (en) * | 2015-01-23 | 2018-09-25 | Mitsubishi Electric Corporation | Laser light source device and video display device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4723637B2 (ja) * | 2006-03-23 | 2011-07-13 | パナソニック株式会社 | 投写型ディスプレイ装置及び光源装置 |
JP2008224889A (ja) * | 2007-03-09 | 2008-09-25 | Mitsubishi Electric Corp | 照明光学装置及び画像投写装置 |
ES2770329T3 (es) * | 2011-04-12 | 2020-07-01 | Barco Nv | Proyector láser con moteado reducido |
JP2013008950A (ja) * | 2011-05-23 | 2013-01-10 | Panasonic Corp | 光源装置および画像表示装置 |
US9470406B2 (en) * | 2012-09-24 | 2016-10-18 | Terralux, Inc. | Variable-beam light source and related methods |
JP6155684B2 (ja) * | 2013-02-15 | 2017-07-05 | セイコーエプソン株式会社 | 照明装置、及びプロジェクター |
CN105158913B (zh) * | 2013-05-13 | 2019-06-21 | 深圳光峰科技股份有限公司 | 激光光源、波长转换光源、合光光源及投影系统 |
JP6427856B2 (ja) * | 2013-09-11 | 2018-11-28 | セイコーエプソン株式会社 | マイクロレンズ素子、光変調装置およびプロジェクター |
-
2014
- 2014-02-12 JP JP2014024262A patent/JP5804102B2/ja active Active
-
2015
- 2015-02-05 US US15/117,417 patent/US20160341972A1/en not_active Abandoned
- 2015-02-05 WO PCT/JP2015/053241 patent/WO2015122347A1/ja active Application Filing
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018131257A1 (ja) * | 2017-01-10 | 2018-07-19 | ソニー株式会社 | 光源装置、光源制御方法および画像取得システム |
JPWO2018131257A1 (ja) * | 2017-01-10 | 2019-12-12 | ソニー株式会社 | 光源装置、光源制御方法および画像取得システム |
US11366378B2 (en) | 2017-01-10 | 2022-06-21 | Sony Corporation | Light source device, light source control method, and image acquisition system |
Also Published As
Publication number | Publication date |
---|---|
WO2015122347A1 (ja) | 2015-08-20 |
JP5804102B2 (ja) | 2015-11-04 |
US20160341972A1 (en) | 2016-11-24 |
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