SE8401773L - Frekvens- och effektreglering hos laserdioder - Google Patents
Frekvens- och effektreglering hos laserdioderInfo
- Publication number
- SE8401773L SE8401773L SE8401773A SE8401773A SE8401773L SE 8401773 L SE8401773 L SE 8401773L SE 8401773 A SE8401773 A SE 8401773A SE 8401773 A SE8401773 A SE 8401773A SE 8401773 L SE8401773 L SE 8401773L
- Authority
- SE
- Sweden
- Prior art keywords
- detector
- laser diode
- unit
- radiation
- detector elements
- Prior art date
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
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/024—Arrangements for thermal management
- H01S5/02407—Active cooling, e.g. the laser temperature is controlled by a thermo-electric cooler or water cooling
- H01S5/02415—Active cooling, e.g. the laser temperature is controlled by a thermo-electric cooler or water cooling by using a thermo-electric cooler [TEC], e.g. Peltier element
-
- 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
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
- H01S5/06837—Stabilising otherwise than by an applied electric field or current, e.g. by controlling the temperature
-
- 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
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
- H01S5/0687—Stabilising the frequency of the laser
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8401773A SE8401773L (sv) | 1984-03-30 | 1984-03-30 | Frekvens- och effektreglering hos laserdioder |
PCT/SE1985/000147 WO1985004530A1 (en) | 1984-03-30 | 1985-03-29 | Frequency and output regulation in laser diodes |
DE19853590134 DE3590134T1 (de) | 1984-03-30 | 1985-03-29 | Frequenz- und Ausgangsregelung bei Laser-Dioden |
CA000477892A CA1232326A (en) | 1984-03-30 | 1985-03-29 | Frequency and output regulation in laser diodes |
EP85901658A EP0175749A1 (en) | 1984-03-30 | 1985-03-29 | Frequency and output regulation in laser diodes |
GB08528852A GB2168838B (en) | 1984-03-30 | 1985-03-29 | Frequency and output regulation in laser diodes |
JP60501624A JPS61501882A (ja) | 1984-03-30 | 1985-03-29 | レ−ザ−ダイオ−ドでの周波数及び出力調節 |
US07/185,361 US4829533A (en) | 1984-03-30 | 1988-04-19 | Frequency and output regulation in laser diodes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8401773A SE8401773L (sv) | 1984-03-30 | 1984-03-30 | Frekvens- och effektreglering hos laserdioder |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8401773D0 SE8401773D0 (sv) | 1984-03-30 |
SE8401773L true SE8401773L (sv) | 1985-10-01 |
Family
ID=20355369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8401773A SE8401773L (sv) | 1984-03-30 | 1984-03-30 | Frekvens- och effektreglering hos laserdioder |
Country Status (8)
Country | Link |
---|---|
US (1) | US4829533A (sv) |
EP (1) | EP0175749A1 (sv) |
JP (1) | JPS61501882A (sv) |
CA (1) | CA1232326A (sv) |
DE (1) | DE3590134T1 (sv) |
GB (1) | GB2168838B (sv) |
SE (1) | SE8401773L (sv) |
WO (1) | WO1985004530A1 (sv) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4792956A (en) * | 1986-05-13 | 1988-12-20 | Litton Systems, Inc. | Laser diode intensity and wavelength control |
US4758090A (en) * | 1986-09-25 | 1988-07-19 | Allied-Signal Inc. | Optical wavelength monitor using blazed diffraction grating |
US4842358A (en) * | 1987-02-20 | 1989-06-27 | Litton Systems, Inc. | Apparatus and method for optical signal source stabilization |
JP2791038B2 (ja) * | 1988-06-24 | 1998-08-27 | 株式会社日立製作所 | 分光器及びそれを用いた投影露光装置並びに投影露光方法 |
JPH0797675B2 (ja) * | 1989-03-28 | 1995-10-18 | シャープ株式会社 | 半導体レーザ励起型固体レーザ装置 |
US5025448A (en) * | 1989-05-12 | 1991-06-18 | Nippon Telegraph & Telephone Corporation | Method and apparatus for stabilizing frequency of semiconductor laser |
GB9008735D0 (en) * | 1990-04-18 | 1990-06-13 | British Telecomm | Fibre amplifier with automatic gain control |
US5185635A (en) * | 1990-04-25 | 1993-02-09 | Tektronix, Inc. | Method of calibrating and controlling the optical power output of an OTDR |
US5185751A (en) * | 1991-05-10 | 1993-02-09 | Amoco Corporation | Automated single longitudinal mode locking system |
GB2256308B (en) * | 1991-05-29 | 1995-04-19 | Northern Telecom Ltd | Binary modulation of injection lasers |
US5242602A (en) * | 1992-03-04 | 1993-09-07 | W. R. Grace & Co.-Conn. | Spectrophotometric monitoring of multiple water treatment performance indicators using chemometrics |
US5247167A (en) * | 1992-08-06 | 1993-09-21 | International Business Machines Corporation | Multiple beam power monitoring system and method with radiation detection and focusing means of overlapping beams |
US5495332A (en) * | 1994-08-30 | 1996-02-27 | Alliedsignal Inc. | Arrangement for sensing the wavelength shift of light from a polychromatic light source |
EP0732781B1 (fr) * | 1995-03-14 | 2002-12-18 | Brown & Sharpe Tesa S.A. | Module comprenant une diode laser asservie et dispositif électro-optique muni d'un tel module |
EP0766080A1 (en) * | 1995-09-29 | 1997-04-02 | FINMECCANICA S.p.A. AZIENDA ANSALDO | System and method for monitoring combustion and pollutants by means of laser diodes |
US6163555A (en) * | 1998-06-12 | 2000-12-19 | Nortel Networks Limited | Regulation of emission frequencies of a set of lasers |
US6631019B1 (en) | 2000-07-05 | 2003-10-07 | Sri International | Reconfigurable multichannel transmitter for dense wavelength division multiplexing (DWDM) optical communication |
US6858834B2 (en) * | 2000-10-18 | 2005-02-22 | Fibera, Inc. | Light wavelength meter |
US6724789B2 (en) | 2000-12-14 | 2004-04-20 | Sri International | Dense wavelength division multiplexing (DWDM) fiberoptic source |
US6526076B2 (en) * | 2000-12-15 | 2003-02-25 | Agilent Technologies, Inc. | Integrated parallel channel optical monitoring for parallel optics transmitter |
US7473879B2 (en) | 2003-12-19 | 2009-01-06 | Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. | LED illumination system having an intensity monitoring system |
US7294816B2 (en) * | 2003-12-19 | 2007-11-13 | Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. | LED illumination system having an intensity monitoring system |
JP5103953B2 (ja) * | 2007-03-08 | 2012-12-19 | 日本電気株式会社 | レーザ測距装置及びレーザ測距方法 |
CN107132185B (zh) | 2008-02-05 | 2020-05-29 | 普凯尔德诊断技术有限公司 | 用于鉴定生物样品中细菌的系统 |
US8309897B2 (en) * | 2009-02-06 | 2012-11-13 | Pocared Diagnostics Ltd. | Optical measurement arrangement |
US10288632B2 (en) | 2009-09-21 | 2019-05-14 | Pocared Diagnostics Ltd. | System for conducting the identification of bacteria in biological samples |
JP6279609B2 (ja) | 2012-12-11 | 2018-02-14 | ポカード・ディアグノスティクス・リミテッドPocared Diagnostics, Ltd. | 湾曲底部を備える光学カップ |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB763556A (en) * | 1953-11-17 | 1956-12-12 | Commw Scient Ind Res Org | Improved method of and apparatus for spectrochemical analysis |
NL122461C (sv) * | 1960-07-09 | |||
US3898583A (en) * | 1972-03-29 | 1975-08-05 | Xerox Corp | Laser stabilization technique |
US3967211A (en) * | 1974-01-17 | 1976-06-29 | Jersey Nuclear-Avco Isotopes, Inc. | Laser wavelength stabilization |
FI54029C (fi) * | 1974-06-04 | 1978-09-11 | Nils Allan Danielsson | Saett vid aostadkommande av stigmatisk avbildning vid spektralanalys med ett konkavgitter |
DE2737345C2 (de) * | 1976-08-20 | 1991-07-25 | Canon K.K., Tokio/Tokyo | Halbleiterlaser-Vorrichtung mit einem Peltier-Element |
US4103254A (en) * | 1976-11-10 | 1978-07-25 | Chikami Leslie F | Tunable frequency laser |
DE2652608C3 (de) * | 1976-11-19 | 1979-12-13 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Anordnung zur Regelung der Ausgangsleistung eines Halbleiterlasers |
DE2862391D1 (de) * | 1977-10-26 | 1984-04-26 | Post Office | Control apparatus for a semi-conductor laser device |
JPS5678183A (en) * | 1979-11-29 | 1981-06-26 | Matsushita Electric Ind Co Ltd | Semiconductor laser apparatus |
JPS5812385A (ja) * | 1981-06-26 | 1983-01-24 | Fujitsu Ltd | 波長可変レーザを用いたガス分析装置 |
FR2526237B1 (fr) * | 1982-04-30 | 1986-02-28 | Cit Alcatel | Dispositif de regulation thermique d'un laser a semi-conducteur |
US4513422A (en) * | 1983-06-14 | 1985-04-23 | The United States Of America As Represented By The Secretary Of The Air Force | CO2 Laser stabilization and switching |
-
1984
- 1984-03-30 SE SE8401773A patent/SE8401773L/sv not_active Application Discontinuation
-
1985
- 1985-03-29 EP EP85901658A patent/EP0175749A1/en not_active Withdrawn
- 1985-03-29 GB GB08528852A patent/GB2168838B/en not_active Expired
- 1985-03-29 WO PCT/SE1985/000147 patent/WO1985004530A1/en active Application Filing
- 1985-03-29 CA CA000477892A patent/CA1232326A/en not_active Expired
- 1985-03-29 DE DE19853590134 patent/DE3590134T1/de not_active Withdrawn
- 1985-03-29 JP JP60501624A patent/JPS61501882A/ja active Pending
-
1988
- 1988-04-19 US US07/185,361 patent/US4829533A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2168838A (en) | 1986-06-25 |
DE3590134T1 (de) | 1986-06-26 |
GB8528852D0 (en) | 1985-12-24 |
WO1985004530A1 (en) | 1985-10-10 |
US4829533A (en) | 1989-05-09 |
EP0175749A1 (en) | 1986-04-02 |
CA1232326A (en) | 1988-02-02 |
JPS61501882A (ja) | 1986-08-28 |
GB2168838B (en) | 1987-12-23 |
SE8401773D0 (sv) | 1984-03-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8401773-0 Effective date: 19861001 |