JPWO2012124266A1 - 波長変換レーザ光源及び画像表示装置 - Google Patents
波長変換レーザ光源及び画像表示装置 Download PDFInfo
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
- H01S3/108—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using non-linear optical devices, e.g. exhibiting Brillouin or Raman scattering
- H01S3/109—Frequency multiplication, e.g. harmonic generation
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136277—Active matrix addressed cells formed on a semiconductor substrate, e.g. of silicon
- G02F1/136281—Active matrix addressed cells formed on a semiconductor substrate, e.g. of silicon having a transmissive semiconductor substrate
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/3501—Constructional details or arrangements of non-linear optical devices, e.g. shape of non-linear crystals
- G02F1/3503—Structural association of optical elements, e.g. lenses, with the non-linear optical device
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/37—Non-linear optics for second-harmonic generation
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
- H01S3/04—Arrangements for thermal management
- H01S3/0401—Arrangements for thermal management of optical elements being part of laser resonator, e.g. windows, mirrors, lenses
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- 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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/08054—Passive cavity elements acting on the polarization, e.g. a polarizer for branching or walk-off compensation
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- 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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
- H01S3/09415—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode the pumping beam being parallel to the lasing mode of the pumped medium, e.g. end-pumping
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- H—ELECTRICITY
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
- H01S3/2383—Parallel arrangements
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- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
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Abstract
Description
図1は、本発明の実施の形態1による波長変換レーザ光源の構成を示す模式図である。図1に示す波長変換レーザ光源は、励起光源1、コリメートレンズ3、集光レンズ4、固体レーザ媒質5、凹面ミラー6、波長変換素子7、λ/4波長板8及び光学膜9を備える。
次に、本発明の実施の形態2について説明する。図6は、本発明の実施の形態2による波長変換レーザ光源の構成を示す模式図である。図6に示す波長変換レーザ光源は、励起光源1、コリメートレンズ3、集光レンズ4、固体レーザ媒質5、凹面ミラー6、波長変換素子7、λ/4波長板8、光学膜9及び冷却部10a、10bを備える。
次に、本発明の実施の形態3について説明する。本実施形態は、実施の形態1又は2による波長変換レーザ光源を応用した第1の画像表示装置である。図11は、本発明の実施の形態1又は2による波長変換レーザ光源を用いたレーザプロジェクター装置の構成を示す概略図である。
次に、本発明の実施の形態4について説明する。本実施形態は、実施の形態1又は2による波長変換レーザ光源を応用した第2の画像表示装置である。図12は、本発明の実施の形態1又は2による波長変換レーザ光源を用いたヘッドアップディスプレイ装置の構成を示す概略図である。
Claims (10)
- 励起光を入射され、基本波光を発生する固体レーザ媒質と、
前記基本波光を前記基本波光の周波数よりも高い周波数を有する第2高調波光へ変換する波長変換素子と、
前記基本波光及び前記第2高調波光を反射する第1の反射面が形成された凹面ミラーと、
前記基本波光を反射し、前記第2高調波光を透過する第2の反射面が形成された波長板とを備え、
前記第1の反射面と前記第2の反射面とからレーザ共振器が構成され、
前記レーザ共振器の前記第1の反射面側に前記固体レーザ媒質が配置され、前記レーザ共振器の前記第2の反射面側に前記波長板が配置され、前記固体レーザ媒質と前記波長板との間に前記波長変換素子が配置され、
前記波長板は、前記波長変換素子により変換された第2高調波を前記第2の反射面を介して前記レーザ共振器の外部へ出力することを特徴とする波長変換レーザ光源。 - 前記凹面ミラーに形成された前記第1の反射面は、前記基本波光を反射して前記波長変換素子に集光させ、
前記波長板に形成された前記第2の反射面は、平面ミラーであることを特徴とする請求項1に記載の波長変換レーザ光源。 - 前記波長板に形成された前記第2の反射面は、外気に曝されていることを特徴とする請求項1又は2に記載の波長変換レーザ光源。
- 前記波長板を冷却する冷却部をさらに備えることを特徴とする請求項1又は2に記載の波長変換レーザ光源。
- 前記冷却部は、抵抗率が1.0×10−5Ω・cm以下である金属膜からなることを特徴とする請求項4に記載の波長変換レーザ光源。
- 前記冷却部は、ダイヤモンド薄膜又はダイヤモンドライクカーボンから構成されることを特徴とする請求項4に記載の波長変換レーザ光源。
- 前記固体レーザ媒質は、屈折率が等方性を有する等方性材料から構成されることを特徴とする請求項1〜6のいずれかに記載の波長変換レーザ光源。
- 前記固体レーザ媒質は、偏光解消効果を有するセラミック材料から構成されることを特徴とする請求項1〜6のいずれかに記載の波長変換レーザ光源。
- 前記波長変換素子は、MgO添加ニオブ酸リチウム、MgO添加タンタル酸リチウム、及びリン酸チタニルカリウムのうちいずれか一種から構成されることを特徴とする請求項1〜8に記載の波長変換レーザ光源。
- 請求項1〜9のいずれかに記載された波長変換レーザ光源を含み、レーザ光を発生するレーザ光源と、
前記レーザ光を変調して画像を形成する変調素子と、
前記レーザ光源及び前記変調素子を制御するコントローラとを備えることを特徴とする画像表示装置。
Applications Claiming Priority (3)
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JP2011058835 | 2011-03-17 | ||
JP2011058835 | 2011-03-17 | ||
PCT/JP2012/001355 WO2012124266A1 (ja) | 2011-03-17 | 2012-02-28 | 波長変換レーザ光源及び画像表示装置 |
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JPWO2012124266A1 true JPWO2012124266A1 (ja) | 2014-07-17 |
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JP2013504537A Pending JPWO2012124266A1 (ja) | 2011-03-17 | 2012-02-28 | 波長変換レーザ光源及び画像表示装置 |
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US (1) | US9172201B2 (ja) |
JP (1) | JPWO2012124266A1 (ja) |
WO (1) | WO2012124266A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5826409B2 (ja) * | 2012-11-26 | 2015-12-02 | 三菱電機株式会社 | レーザ装置 |
JP6127912B2 (ja) * | 2013-10-28 | 2017-05-17 | 株式会社Jvcケンウッド | 画像表示装置 |
KR101587788B1 (ko) * | 2015-02-13 | 2016-01-22 | 주식회사 크레모텍 | 레이저다이오드 액정 프로젝터 |
KR101847932B1 (ko) * | 2015-04-23 | 2018-04-11 | 엘지전자 주식회사 | 발광모듈 |
JP7438057B2 (ja) | 2020-08-13 | 2024-02-26 | 株式会社ディスコ | 固体レーザ発振器 |
Citations (4)
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JPH0621554A (ja) * | 1992-06-30 | 1994-01-28 | Sony Corp | レーザ光発生装置 |
JPH06342949A (ja) * | 1992-10-21 | 1994-12-13 | Nippon Steel Corp | 固体レーザ装置 |
JPH0856042A (ja) * | 1994-08-16 | 1996-02-27 | Sony Corp | レーザ共振器組立方法 |
WO2009016709A1 (ja) * | 2007-07-30 | 2009-02-05 | Mitsubishi Electric Corporation | 波長変換レーザ装置 |
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JP3066966B2 (ja) | 1988-02-29 | 2000-07-17 | ソニー株式会社 | レーザ光源 |
DE3917902A1 (de) * | 1989-06-01 | 1990-12-13 | Adlas Gmbh & Co Kg | Frequenzverdoppelter laser |
US5377212A (en) * | 1991-10-17 | 1994-12-27 | Hitachi, Ltd. | Solid-state laser device including uniaxial laser crystal emitting linearly polarized fundamental wave and nonlinear optical crystal emitting linearly polarized harmonic wave |
JPH05145160A (ja) * | 1991-11-25 | 1993-06-11 | Sumitomo Metal Mining Co Ltd | 固体レーザー装置における第2高調波発生装置 |
JP2754991B2 (ja) | 1991-12-18 | 1998-05-20 | 三菱電機株式会社 | 波長変換装置 |
JPH05275785A (ja) * | 1992-03-28 | 1993-10-22 | Sony Corp | レーザ光発生光学装置 |
JPH06132596A (ja) | 1992-10-21 | 1994-05-13 | Nippon Steel Corp | 固体レーザ装置 |
JPH07131101A (ja) | 1993-11-08 | 1995-05-19 | Sony Corp | レーザ光発生装置 |
US5511085A (en) | 1994-09-02 | 1996-04-23 | Light Solutions Corporation | Passively stabilized intracavity doubling laser |
US5802086A (en) * | 1996-01-29 | 1998-09-01 | Laser Power Corporation | Single cavity solid state laser with intracavity optical frequency mixing |
US5940419A (en) * | 1997-06-13 | 1999-08-17 | Xie; Ping | Frequency doubling solid-state laser including lasant material and nonlinear optical material |
US5949802A (en) * | 1997-10-08 | 1999-09-07 | Uniphase Corporation | High efficiency intracavity doubled laser and method |
CN102474065B (zh) * | 2010-04-23 | 2014-04-23 | 松下电器产业株式会社 | 波长转换激光光源及图像显示装置 |
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2012
- 2012-02-28 JP JP2013504537A patent/JPWO2012124266A1/ja active Pending
- 2012-02-28 US US14/001,985 patent/US9172201B2/en not_active Expired - Fee Related
- 2012-02-28 WO PCT/JP2012/001355 patent/WO2012124266A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0621554A (ja) * | 1992-06-30 | 1994-01-28 | Sony Corp | レーザ光発生装置 |
JPH06342949A (ja) * | 1992-10-21 | 1994-12-13 | Nippon Steel Corp | 固体レーザ装置 |
JPH0856042A (ja) * | 1994-08-16 | 1996-02-27 | Sony Corp | レーザ共振器組立方法 |
WO2009016709A1 (ja) * | 2007-07-30 | 2009-02-05 | Mitsubishi Electric Corporation | 波長変換レーザ装置 |
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US9172201B2 (en) | 2015-10-27 |
US20130335813A1 (en) | 2013-12-19 |
WO2012124266A1 (ja) | 2012-09-20 |
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