JPS5474386A - Controller - Google Patents
ControllerInfo
- Publication number
- JPS5474386A JPS5474386A JP13106978A JP13106978A JPS5474386A JP S5474386 A JPS5474386 A JP S5474386A JP 13106978 A JP13106978 A JP 13106978A JP 13106978 A JP13106978 A JP 13106978A JP S5474386 A JPS5474386 A JP S5474386A
- Authority
- JP
- Japan
- Prior art keywords
- controller
- 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.)
- Granted
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
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/136—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling devices placed within the cavity
-
- 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
- H01S3/139—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length
-
- 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
-
- 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
- H01S3/136—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling devices placed within the cavity
- H01S3/137—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling devices placed within the cavity for stabilising of frequency
-
- 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
- H01S5/06804—Stabilisation of laser output parameters by monitoring an external parameter, e.g. 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
- H01S5/06837—Stabilising otherwise than by an applied electric field or current, e.g. by controlling the temperature
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4457277 | 1977-10-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5474386A true JPS5474386A (en) | 1979-06-14 |
JPS6412113B2 JPS6412113B2 (ja) | 1989-02-28 |
Family
ID=10433917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13106978A Granted JPS5474386A (en) | 1977-10-26 | 1978-10-26 | Controller |
Country Status (4)
Country | Link |
---|---|
US (1) | US4309671A (ja) |
EP (1) | EP0001714B1 (ja) |
JP (1) | JPS5474386A (ja) |
DE (1) | DE2862391D1 (ja) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5693385A (en) * | 1979-12-26 | 1981-07-28 | Ichiro Tsurumi | Method for controlling wavelength of light emitted from diode laser |
JPS56103551A (en) * | 1980-01-22 | 1981-08-18 | Fujitsu Ltd | Light source control system |
JPS5783079A (en) * | 1980-11-12 | 1982-05-24 | Sharp Corp | Driving method of semiconductor laser |
JPS57190384A (en) * | 1981-05-20 | 1982-11-22 | Toshiba Corp | Wavelength sweeping laser |
JPS596585A (ja) * | 1982-07-05 | 1984-01-13 | Ricoh Co Ltd | 半導体レ−ザ出力制御方法 |
JPS59501432A (ja) * | 1982-08-23 | 1984-08-09 | ウエスタ−ン エレクトリツク カムパニ−,インコ−ポレ−テツド | 安定スペクトルレ−ザ |
JPS61105887A (ja) * | 1984-08-06 | 1986-05-23 | ブリテイシユ・テレコミユニケーシヨンズ・パブリツク・リミテツド・カンパニ | 光信号増幅方法 |
JPS6224125A (ja) * | 1985-07-25 | 1987-02-02 | Chino Corp | 光半導体測定装置 |
JP2003529224A (ja) * | 2000-03-25 | 2003-09-30 | マルコニ コミュニケイションズ リミテッド | 安定化放射ソース |
Families Citing this family (67)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3000657A1 (de) * | 1980-01-10 | 1981-07-16 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Anordnung zur wellenlaengestabilisierung von halbleiterlasern |
EP0060033A1 (en) * | 1981-02-16 | 1982-09-15 | British Telecommunications | Improvements in or relating to laser light sources |
FR2542511B1 (fr) * | 1983-03-09 | 1986-12-19 | Lecoy Pierre | Procede et dispositif de regulation de la puissance lumineuse de diodes laser |
SE8401773L (sv) * | 1984-03-30 | 1985-10-01 | Boh Optical Ab | Frekvens- och effektreglering hos laserdioder |
GB8522821D0 (en) * | 1985-09-16 | 1985-10-23 | British Telecomm | Frequency referencing system |
EP0238484A1 (en) * | 1985-09-24 | 1987-09-30 | Bell Communications Research, Inc. | Temperature stabilization of injection lasers |
JPH01105268A (ja) * | 1986-04-05 | 1989-04-21 | Ricoh Co Ltd | 情報記録用光ビ−ムの出力安定化方法及び装置 |
US4792956A (en) * | 1986-05-13 | 1988-12-20 | Litton Systems, Inc. | Laser diode intensity and wavelength control |
US4737798A (en) * | 1986-07-03 | 1988-04-12 | Xerox Corporation | Laser diode mode hopping sensing and control system |
US4733253A (en) * | 1986-07-03 | 1988-03-22 | Xerox Corporation | Apparatus and method for detecting and eliminating diode laser mode hopping |
US4823357A (en) * | 1986-11-10 | 1989-04-18 | The United States Of America As Represented By The Secretary Of The Air Force | Diffraction limited dichroic combiner diode laser |
EP0284908B1 (de) * | 1987-03-30 | 1993-10-27 | Siemens Aktiengesellschaft | Anordnung zur Steuerung oder Regelung einer Emissionswellenlänge und emittierten Leistung eines Halbleiterlasers |
US4922480A (en) * | 1987-12-02 | 1990-05-01 | American Telephone And Telegraph Company | Technique for improving the percentage of semiconductor lasers usable with a predetermined wavelength specification |
DE3744323C2 (de) * | 1987-12-28 | 1999-03-11 | Lambda Physik Forschung | Verfahren und Vorrichtung zum Stabilisieren der Frequenz eines Laserstrahles |
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 |
GB2230912B (en) * | 1989-04-22 | 1993-10-20 | Stc Plc | Optical amplifier gain control |
SE463952B (sv) * | 1989-10-13 | 1991-02-11 | Hans Martin | Anordning foer att moejliggoera en vaaglaengdsstabilisering av en av en halvledarlaser alstrad och utsaend ljusstraale |
JP3407893B2 (ja) * | 1991-05-27 | 2003-05-19 | パイオニア株式会社 | 半導体レーザ制御装置 |
JPH04349236A (ja) * | 1991-05-27 | 1992-12-03 | Pioneer Electron Corp | 光ピックアップ装置 |
US5796096A (en) * | 1991-07-26 | 1998-08-18 | Accuwave Corporation | Fabrication and applications of long-lifetime, holographic gratings in photorefractive materials |
US5691989A (en) * | 1991-07-26 | 1997-11-25 | Accuwave Corporation | Wavelength stabilized laser sources using feedback from volume holograms |
US5440669A (en) * | 1991-07-26 | 1995-08-08 | Accuwave Corporation | Photorefractive systems and methods |
EP0598761A1 (en) * | 1991-07-26 | 1994-06-01 | Accuwave Corporation | Photorefractive systems and methods |
US5491570A (en) * | 1991-07-26 | 1996-02-13 | Accuwave Corporation | Methods and devices for using photorefractive materials at infrared wavelengths |
EP0599966A4 (en) * | 1991-08-22 | 1995-02-01 | Baggio Roberto Enzo Di | LIGHT THERAPY. |
EP0600636A1 (en) * | 1992-11-19 | 1994-06-08 | Varian Associates, Inc. | Self-calibrated power meter |
US5381230A (en) * | 1993-02-12 | 1995-01-10 | Honeywell Inc. | Emission source spectrum stabilizer |
AU6119396A (en) * | 1995-07-27 | 1997-02-26 | Jds Fitel Inc. | Method and device for wavelength locking |
JPH109961A (ja) * | 1996-06-21 | 1998-01-16 | Kokusai Denshin Denwa Co Ltd <Kdd> | 光波長監視装置 |
US5825792A (en) * | 1996-07-11 | 1998-10-20 | Northern Telecom Limited | Wavelength monitoring and control assembly for WDM optical transmission systems |
JP2989775B2 (ja) * | 1997-01-21 | 1999-12-13 | サンテック株式会社 | レーザ光源の波長安定化装置 |
US5832014A (en) * | 1997-02-11 | 1998-11-03 | Lucent Technologies Inc. | Wavelength stabilization in tunable semiconductor lasers |
US5956356A (en) * | 1997-12-08 | 1999-09-21 | Lucent Technologies Inc. | Monitoring wavelength of laser devices |
JP3197869B2 (ja) * | 1998-03-31 | 2001-08-13 | アンリツ株式会社 | 波長可変レーザ光源装置 |
JP3317896B2 (ja) * | 1998-04-24 | 2002-08-26 | 日本電気株式会社 | レーザ発振波長監視装置 |
US6580517B2 (en) | 2000-03-01 | 2003-06-17 | Lambda Physik Ag | Absolute wavelength calibration of lithography laser using multiple element or tandem see through hollow cathode lamp |
US6160832A (en) | 1998-06-01 | 2000-12-12 | Lambda Physik Gmbh | Method and apparatus for wavelength calibration |
US7006541B2 (en) * | 1998-06-01 | 2006-02-28 | Lambda Physik Ag | Absolute wavelength calibration of lithography laser using multiple element or tandem see through hollow cathode lamp |
WO2000016453A1 (en) | 1998-09-11 | 2000-03-23 | New Focus, Inc. | Tunable laser |
WO2000023764A1 (en) | 1998-10-16 | 2000-04-27 | New Focus, Inc. | Interferometer for optical wavelength monitoring |
DE60012704T2 (de) * | 1999-03-01 | 2005-01-13 | The Regents Of The University Of California, Oakland | Abstimmbarer laser mit einer integrierten vorrichtung zur wellenlängenüberwachung und zugehöriges betriebsverfahren |
US6853654B2 (en) * | 1999-07-27 | 2005-02-08 | Intel Corporation | Tunable external cavity laser |
US6879619B1 (en) | 1999-07-27 | 2005-04-12 | Intel Corporation | Method and apparatus for filtering an optical beam |
CA2381662A1 (en) | 1999-08-10 | 2001-02-15 | Reich Watterson | Single etalon optical wavelength reference device |
US6597462B2 (en) | 2000-03-01 | 2003-07-22 | Lambda Physik Ag | Laser wavelength and bandwidth monitor |
EP1158630B1 (en) * | 2000-04-25 | 2006-12-06 | Avanex Corporation | Wavelength stabilization monitor and method for adjusting the working wavelength of said monitor |
US7209498B1 (en) | 2000-05-04 | 2007-04-24 | Intel Corporation | Method and apparatus for tuning a laser |
US6807205B1 (en) | 2000-07-14 | 2004-10-19 | Lambda Physik Ag | Precise monitor etalon calibration technique |
US7120176B2 (en) * | 2000-07-27 | 2006-10-10 | Intel Corporation | Wavelength reference apparatus and method |
US6738140B2 (en) | 2000-09-19 | 2004-05-18 | Lambda Control, Inc. | Wavelength detector and method of detecting wavelength of an optical signal |
US6747741B1 (en) | 2000-10-12 | 2004-06-08 | Lambda Physik Ag | Multiple-pass interferometric device |
US6658031B2 (en) | 2001-07-06 | 2003-12-02 | Intel Corporation | Laser apparatus with active thermal tuning of external cavity |
US6686586B2 (en) * | 2001-03-23 | 2004-02-03 | Metrologic Instruments, Inc. | Diffractive-based laser scanning system employing microcontroller programmed for mode-switching correction in response to binary mode switching signal generation |
US6901088B2 (en) * | 2001-07-06 | 2005-05-31 | Intel Corporation | External cavity laser apparatus with orthogonal tuning of laser wavelength and cavity optical pathlength |
US6804278B2 (en) | 2001-07-06 | 2004-10-12 | Intel Corporation | Evaluation and adjustment of laser losses according to voltage across gain medium |
US6822979B2 (en) | 2001-07-06 | 2004-11-23 | Intel Corporation | External cavity laser with continuous tuning of grid generator |
US6724797B2 (en) | 2001-07-06 | 2004-04-20 | Intel Corporation | External cavity laser with selective thermal control |
EP1329998A1 (en) * | 2002-01-21 | 2003-07-23 | Agilent Technologies, Inc. (a Delaware corporation) | An arrangement for monitoring the emission wavelength of a laser source |
US6768096B2 (en) | 2002-01-31 | 2004-07-27 | Digital Optics Corp. | Passive thermal stabilization of wavelength monitor |
US7230959B2 (en) | 2002-02-22 | 2007-06-12 | Intel Corporation | Tunable laser with magnetically coupled filter |
EP1345298A1 (en) * | 2002-03-16 | 2003-09-17 | Agilent Technologies, Inc. (a Delaware corporation) | Wavelength monitoring apparatus and method therefor |
EP1381090A1 (en) * | 2002-07-11 | 2004-01-14 | Agilent Technologies, Inc. - a Delaware corporation - | Wavelength detector apparatus and method therefor |
EP1380822B1 (en) * | 2002-07-11 | 2006-12-20 | Agilent Technologies, Inc. - a Delaware corporation - | Wavelength determining apparatus and method |
US7133136B2 (en) * | 2003-10-22 | 2006-11-07 | Jds Uniphase Corporation | Wavelength monitor |
US8112243B2 (en) * | 2007-06-20 | 2012-02-07 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Forward voltage short-pulse technique for measuring high power laser array junction temperture |
DE102017119810B4 (de) * | 2017-08-29 | 2019-05-09 | fos4X GmbH | Optoelektrischer Chip |
US11391969B2 (en) | 2018-12-07 | 2022-07-19 | Freedom Photonics Llc | Systems and methods for wavelength monitoring |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4838987A (ja) * | 1971-09-20 | 1973-06-08 | ||
JPS4992987A (ja) * | 1972-06-28 | 1974-09-04 | ||
JPS50120991A (ja) * | 1974-03-08 | 1975-09-22 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3588738A (en) * | 1968-09-03 | 1971-06-28 | Hughes Aircraft Co | Frequency stabilized laser |
US3641459A (en) * | 1969-06-16 | 1972-02-08 | Bell Telephone Labor Inc | Apparatus and method for narrowing the pulse width and stabilizing the repetition rate in semiconductor lasers exhibiting self-induced pulsing |
US4009385A (en) * | 1976-03-22 | 1977-02-22 | Bell Telephone Laboratories, Incorporated | Laser control circuit |
US4019048A (en) * | 1976-03-22 | 1977-04-19 | Bell Telephone Laboratories, Incorporated | Regenerator for an optical transmission system |
-
1978
- 1978-10-23 EP EP78300529A patent/EP0001714B1/en not_active Expired
- 1978-10-23 DE DE7878300529T patent/DE2862391D1/de not_active Expired
- 1978-10-26 JP JP13106978A patent/JPS5474386A/ja active Granted
-
1980
- 1980-12-18 US US06/217,807 patent/US4309671A/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4838987A (ja) * | 1971-09-20 | 1973-06-08 | ||
JPS4992987A (ja) * | 1972-06-28 | 1974-09-04 | ||
US3835415A (en) * | 1972-06-28 | 1974-09-10 | Ibm | High radiance semiconductor laser |
JPS50120991A (ja) * | 1974-03-08 | 1975-09-22 |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5693385A (en) * | 1979-12-26 | 1981-07-28 | Ichiro Tsurumi | Method for controlling wavelength of light emitted from diode laser |
JPS5845195B2 (ja) * | 1979-12-26 | 1983-10-07 | 一郎 鶴見 | ダイオ−ドレ−ザの発光波長制御方式 |
JPS56103551A (en) * | 1980-01-22 | 1981-08-18 | Fujitsu Ltd | Light source control system |
JPS6315758B2 (ja) * | 1980-01-22 | 1988-04-06 | Fujitsu Ltd | |
JPS5783079A (en) * | 1980-11-12 | 1982-05-24 | Sharp Corp | Driving method of semiconductor laser |
JPS6318872B2 (ja) * | 1980-11-12 | 1988-04-20 | Sharp Kk | |
JPS57190384A (en) * | 1981-05-20 | 1982-11-22 | Toshiba Corp | Wavelength sweeping laser |
JPS596585A (ja) * | 1982-07-05 | 1984-01-13 | Ricoh Co Ltd | 半導体レ−ザ出力制御方法 |
JPS59501432A (ja) * | 1982-08-23 | 1984-08-09 | ウエスタ−ン エレクトリツク カムパニ−,インコ−ポレ−テツド | 安定スペクトルレ−ザ |
JPS61105887A (ja) * | 1984-08-06 | 1986-05-23 | ブリテイシユ・テレコミユニケーシヨンズ・パブリツク・リミテツド・カンパニ | 光信号増幅方法 |
JPS6224125A (ja) * | 1985-07-25 | 1987-02-02 | Chino Corp | 光半導体測定装置 |
JP2003529224A (ja) * | 2000-03-25 | 2003-09-30 | マルコニ コミュニケイションズ リミテッド | 安定化放射ソース |
Also Published As
Publication number | Publication date |
---|---|
EP0001714B1 (en) | 1984-03-21 |
JPS6412113B2 (ja) | 1989-02-28 |
US4309671A (en) | 1982-01-05 |
DE2862391D1 (de) | 1984-04-26 |
EP0001714A1 (en) | 1979-05-02 |
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