DE69210088T2 - Laserquelle mit externer Modulation für Mehrfachstrahlbeleuchtung - Google Patents

Laserquelle mit externer Modulation für Mehrfachstrahlbeleuchtung

Info

Publication number
DE69210088T2
DE69210088T2 DE69210088T DE69210088T DE69210088T2 DE 69210088 T2 DE69210088 T2 DE 69210088T2 DE 69210088 T DE69210088 T DE 69210088T DE 69210088 T DE69210088 T DE 69210088T DE 69210088 T2 DE69210088 T2 DE 69210088T2
Authority
DE
Germany
Prior art keywords
laser source
multiple beam
external modulation
beam lighting
lighting
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.)
Expired - Fee Related
Application number
DE69210088T
Other languages
English (en)
Other versions
DE69210088D1 (de
Inventor
Harvey Scott Hinton
Rick Lee Morrison
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
AT&T Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AT&T Corp filed Critical AT&T Corp
Application granted granted Critical
Publication of DE69210088D1 publication Critical patent/DE69210088D1/de
Publication of DE69210088T2 publication Critical patent/DE69210088T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/14—External cavity lasers
    • H01S5/148—External cavity lasers using a Talbot cavity
    • 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
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2848—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers having refractive means, e.g. imaging elements between light guides as splitting, branching and/or combining devices, e.g. lenses, holograms
    • 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
    • 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
    • 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
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • 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
    • H01S5/4062—Edge-emitting structures with an external cavity or using internal filters, e.g. Talbot filters

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Semiconductor Lasers (AREA)
  • Lasers (AREA)
DE69210088T 1991-05-21 1992-05-12 Laserquelle mit externer Modulation für Mehrfachstrahlbeleuchtung Expired - Fee Related DE69210088T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/703,538 US5195103A (en) 1991-05-21 1991-05-21 Externally modulated laser source for array illumination

Publications (2)

Publication Number Publication Date
DE69210088D1 DE69210088D1 (de) 1996-05-30
DE69210088T2 true DE69210088T2 (de) 1996-09-19

Family

ID=24825781

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69210088T Expired - Fee Related DE69210088T2 (de) 1991-05-21 1992-05-12 Laserquelle mit externer Modulation für Mehrfachstrahlbeleuchtung

Country Status (9)

Country Link
US (1) US5195103A (de)
EP (1) EP0515080B1 (de)
JP (1) JP2656694B2 (de)
KR (1) KR950013055B1 (de)
CA (1) CA2067019C (de)
DE (1) DE69210088T2 (de)
ES (1) ES2086654T3 (de)
HK (1) HK178896A (de)
SG (1) SG42929A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05323110A (ja) * 1992-05-22 1993-12-07 Hitachi Koki Co Ltd 多ビーム発生素子
US5631762A (en) * 1993-06-04 1997-05-20 Hitachi Koki Co., Ltd. Multi-beam generating element and optical printing apparatus therewith
US5629802A (en) * 1995-01-05 1997-05-13 The United States Of America As Represented By The Secretary Of The Air Force Spatially multiplexed optical signal processor
FR2733827B1 (fr) * 1995-05-02 1997-07-04 Suisse Electronique Microtech Spectrometre a reseau dammann
US6037565A (en) * 1996-06-17 2000-03-14 The Regents Of The University Of California Laser illuminator and optical system for disk patterning
US6252715B1 (en) 1997-03-13 2001-06-26 T. Squared G, Inc. Beam pattern contractor and focus element, method and apparatus
US5870227A (en) * 1997-03-13 1999-02-09 T Squared G Systems, Inc. Scanning head lens assembly
JP3339369B2 (ja) * 1997-05-30 2002-10-28 株式会社デンソー レーザダイオード
US6425669B1 (en) 2000-05-24 2002-07-30 Ball Semiconductor, Inc. Maskless exposure system
US20020163699A1 (en) * 2001-02-16 2002-11-07 The Penn State Research Foundation Wireless infrared multi-spot diffusing communication system
US6658315B2 (en) 2001-10-31 2003-12-02 Ball Semiconductor, Inc. Non-synchronous control of pulsed light
US7164961B2 (en) * 2002-06-14 2007-01-16 Disco Corporation Modified photolithography movement system
JP2007508596A (ja) * 2003-10-17 2007-04-05 エクスプレイ リミテッド 投影システムに使用する光学システムおよび方法
US20050283498A1 (en) * 2004-06-22 2005-12-22 Taiwan Semiconductor Manufacturing Company, Ltd. System and method to build, retrieve and track information in a knowledge database for trouble shooting purposes
CN100486066C (zh) * 2007-10-18 2009-05-06 中国科学院长春光学精密机械与物理研究所 衍射光栅列阵外腔半导体激光线阵及其制备方法
CN104793312A (zh) * 2014-01-20 2015-07-22 无锡亮源激光技术有限公司 一种光栅照明器的光学模块
CN104900487A (zh) * 2015-04-24 2015-09-09 中国航空工业集团公司北京长城计量测试技术研究所 一种点阵扫描制备黑硅的方法和装置
GB2547923B (en) * 2016-03-02 2021-06-16 Bae Systems Plc Co-aligning laterally displaced radiation beams
EP3423878B1 (de) 2016-03-02 2023-07-12 BAE Systems PLC Gemeinsame ausrichtung von lateral beabstandeten strahlen
CN109341581B (zh) * 2018-10-31 2020-12-11 暨南大学 横向奇偶组合达曼光栅的三维测量模组及工作方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61179424A (ja) * 1984-12-28 1986-08-12 Nec Corp 並列光演算子
US4656641A (en) * 1985-02-04 1987-04-07 Xerox Corporation Laser cavity optical system for stabilizing the beam from a phase locked multi-emitter broad emitter laser
JPH02216881A (ja) * 1989-02-17 1990-08-29 Canon Inc 外部共振型半導体レーザ装置
US5050179A (en) * 1989-04-20 1991-09-17 Massachusetts Institute Of Technology External cavity semiconductor laser
US4978842A (en) * 1989-04-21 1990-12-18 At&T Bell Laboratories Programmable optical logic device with complementary inputs
US4978974A (en) * 1989-08-30 1990-12-18 Polaroid Corporation Image recorder with linear laser diode array

Also Published As

Publication number Publication date
CA2067019C (en) 1997-01-14
JP2656694B2 (ja) 1997-09-24
JPH05175585A (ja) 1993-07-13
EP0515080B1 (de) 1996-04-24
CA2067019A1 (en) 1992-11-22
EP0515080A3 (en) 1992-12-30
SG42929A1 (en) 1997-10-17
ES2086654T3 (es) 1996-07-01
KR920022603A (ko) 1992-12-19
KR950013055B1 (ko) 1995-10-24
DE69210088D1 (de) 1996-05-30
EP0515080A2 (de) 1992-11-25
US5195103A (en) 1993-03-16
HK178896A (en) 1996-10-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee