JP5804101B2 - 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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- JP5804101B2 JP5804101B2 JP2014024261A JP2014024261A JP5804101B2 JP 5804101 B2 JP5804101 B2 JP 5804101B2 JP 2014024261 A JP2014024261 A JP 2014024261A JP 2014024261 A JP2014024261 A JP 2014024261A JP 5804101 B2 JP5804101 B2 JP 5804101B2
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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
- G02B27/48—Laser speckle optics
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
- G02B19/0009—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only
- G02B19/0014—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only at least one surface having optical power
-
- 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
- G02B27/10—Beam splitting or combining systems
- G02B27/12—Beam splitting or combining systems operating by refraction only
- G02B27/123—The splitting element being a lens or a system of lenses, including arrays and surfaces with refractive power
-
- 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
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- 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
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- 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
-
- 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
- G03B21/208—Homogenising, shaping of the illumination light
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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
- H01S5/005—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
- H01S5/0071—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 for beam steering, e.g. using a mirror outside the cavity to change the beam direction
-
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3161—Modulator illumination systems using laser light sources
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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
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/0994—Fibers, light pipes
-
- 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
- G02B6/4249—Packages, e.g. shape, construction, internal or external details comprising arrays of active devices and fibres
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Projection Apparatus (AREA)
- Transforming Electric Information Into Light Information (AREA)
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、当該レーザ光源群における前記入射面に入射する際のレーザ光の集束角又は発散角の平均値が小さくなるように、構成される。
3bが導光体5の入射面51に入射する第2入射角θ2よりも、大きい。また、第2入射角θ2は、第3光源部3cのレーザ光L3cの光軸A3cが導光体5の入射面51に入射する第3入射角θ3よりも、大きい。
Claims (4)
- 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、当該レーザ光源群における前記入射面に入射する際のレーザ光の集束角又は発散角の平均値が小さいレーザ光源装置。 - 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、当該レーザ光源群における前記入射面に入射する際のレーザ光の集束角又は発散角の平均値が小さくなるように、構成されるレーザ光源装置。 - 前記光源部のレーザ光の入射角が大きいほど、当該光源部における前記入射面に入射する際のレーザ光の集束角又は発散角が小さい請求項1又は2に記載のレーザ光源装置。
- 請求項1〜3の何れか1項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 |
---|---|---|---|
JP2014024261A JP5804101B2 (ja) | 2014-02-12 | 2014-02-12 | レーザ光源装置及び画像投影装置 |
PCT/JP2015/053237 WO2015122346A1 (ja) | 2014-02-12 | 2015-02-05 | レーザ光源装置及び画像投影装置 |
US15/117,098 US20170168313A1 (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 |
---|---|---|---|
JP2014024261A JP5804101B2 (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 |
---|---|
JP2015152667A JP2015152667A (ja) | 2015-08-24 |
JP5804101B2 true JP5804101B2 (ja) | 2015-11-04 |
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014024261A Active JP5804101B2 (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) | US20170168313A1 (ja) |
JP (1) | JP5804101B2 (ja) |
WO (1) | WO2015122346A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6866565B2 (ja) * | 2016-01-20 | 2021-04-28 | ウシオ電機株式会社 | 光源装置 |
CN109960097B (zh) * | 2017-12-22 | 2021-08-31 | 成都理想境界科技有限公司 | 一种单色激光光源、彩色激光光源和激光投影设备 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4059623B2 (ja) * | 2000-12-15 | 2008-03-12 | 株式会社リコー | 照明装置、及び均一照明装置 |
JP3930900B2 (ja) * | 2002-12-27 | 2007-06-13 | 株式会社林創研 | 照明装置 |
US7427146B2 (en) * | 2004-02-11 | 2008-09-23 | 3M Innovative Properties Company | Light-collecting illumination system |
US7390097B2 (en) * | 2004-08-23 | 2008-06-24 | 3M Innovative Properties Company | Multiple channel illumination system |
WO2007108504A1 (ja) * | 2006-03-23 | 2007-09-27 | Matsushita Electric Industrial Co., Ltd. | 投写型ディスプレイ装置及び光源装置 |
CN103597400B (zh) * | 2011-04-12 | 2017-05-03 | 巴库股份有限公司 | 散斑减少的激光投影仪 |
JP2013015762A (ja) * | 2011-07-06 | 2013-01-24 | Sony Corp | 照明光学系および画像表示装置 |
JP2013195489A (ja) * | 2012-03-16 | 2013-09-30 | Seiko Epson Corp | 照明装置およびプロジェクター |
US9470406B2 (en) * | 2012-09-24 | 2016-10-18 | Terralux, Inc. | Variable-beam light source and related methods |
US20150323861A1 (en) * | 2012-12-25 | 2015-11-12 | Nec Display Solutions, Ltd. | Light source apparatus, projector, and method for illuminating an image modulation element |
CN107632487B (zh) * | 2013-04-20 | 2020-03-24 | 深圳光峰科技股份有限公司 | 发光装置及相关光源系统 |
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 |
-
2014
- 2014-02-12 JP JP2014024261A patent/JP5804101B2/ja active Active
-
2015
- 2015-02-05 WO PCT/JP2015/053237 patent/WO2015122346A1/ja active Application Filing
- 2015-02-05 US US15/117,098 patent/US20170168313A1/en not_active Abandoned
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Publication number | Publication date |
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US20170168313A1 (en) | 2017-06-15 |
JP2015152667A (ja) | 2015-08-24 |
WO2015122346A1 (ja) | 2015-08-20 |
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