CA2060943A1 - Mesure de la deviation de frequence d'une onde lumineuse et dispositif de commande pour faisceau laser - Google Patents
Mesure de la deviation de frequence d'une onde lumineuse et dispositif de commande pour faisceau laserInfo
- Publication number
- CA2060943A1 CA2060943A1 CA2060943A CA2060943A CA2060943A1 CA 2060943 A1 CA2060943 A1 CA 2060943A1 CA 2060943 A CA2060943 A CA 2060943A CA 2060943 A CA2060943 A CA 2060943A CA 2060943 A1 CA2060943 A1 CA 2060943A1
- Authority
- CA
- Canada
- Prior art keywords
- operating point
- stabilized
- optical frequency
- frequency deviation
- control device
- 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
- 230000003287 optical effect Effects 0.000 title abstract 3
- 238000001514 detection method Methods 0.000 abstract 3
- 230000001360 synchronised effect Effects 0.000 abstract 3
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
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
- H01S5/06—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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
- G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
-
- 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
- H01S5/0014—Measuring characteristics or properties thereof
-
- 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
- H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
- H01S5/06209—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in single-section lasers
- H01S5/0622—Controlling the frequency of the radiation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
- Optical Communication System (AREA)
- Lasers (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP02-248955 | 1990-09-20 | ||
JP24895590 | 1990-09-20 | ||
JP3049930A JP2977919B2 (ja) | 1991-03-14 | 1991-03-14 | 半導体レーザの光周波数偏移量の測定,制御装置 |
JP04971291A JP3207211B2 (ja) | 1991-03-14 | 1991-03-14 | 半導体レーザの光周波数偏移量の測定,制御装置 |
JP03-049712 | 1991-03-14 | ||
JP03-049930 | 1991-03-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2060943A1 true CA2060943A1 (fr) | 1992-03-21 |
CA2060943C CA2060943C (fr) | 1996-01-09 |
Family
ID=27293712
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002060943A Expired - Fee Related CA2060943C (fr) | 1990-09-20 | 1991-09-20 | Mesure de la deviation de frequence d'une onde lumineuse et dispositif de commande pour faisceau laser |
Country Status (4)
Country | Link |
---|---|
US (1) | US5200967A (fr) |
EP (1) | EP0481242B1 (fr) |
CA (1) | CA2060943C (fr) |
DE (1) | DE69120369T2 (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2264834A (en) * | 1992-02-25 | 1993-09-08 | Northern Telecom Ltd | Optical transmission system |
US5617234A (en) * | 1994-09-26 | 1997-04-01 | Nippon Telegraph & Telephone Corporation | Multiwavelength simultaneous monitoring circuit employing arrayed-waveguide grating |
US5706301A (en) * | 1995-08-16 | 1998-01-06 | Telefonaktiebolaget L M Ericsson | Laser wavelength control system |
US5825792A (en) * | 1996-07-11 | 1998-10-20 | Northern Telecom Limited | Wavelength monitoring and control assembly for WDM optical transmission systems |
JP2000241778A (ja) | 1999-02-19 | 2000-09-08 | Fujitsu Ltd | 光通信装置および光分岐・挿入装置 |
US6215801B1 (en) * | 1999-03-05 | 2001-04-10 | Lucent Technologies, Inc. | Wavelength stabilized laser |
DE19954036A1 (de) * | 1999-10-29 | 2001-05-10 | Siemens Ag | Verfahren und Anordnung zur Wellenlängenstabilisierung von Licht |
US6970652B2 (en) | 2001-12-07 | 2005-11-29 | Oplink Communications, Inc. | Auto-setting and optimization of EAM with optical line systems |
US7054343B1 (en) * | 2002-11-26 | 2006-05-30 | National Semiconductor Corporation | Method of compensating for temperature changes and channel variations in a laser diode array to produce a substantially constant average optical power over temperature |
EP1742092A1 (fr) * | 2005-07-04 | 2007-01-10 | Alcatel | Méthode à mesurer le désaccord d'un signal optique, dispositif de mesure, transmetteur optique et module optique |
DE102007017591B4 (de) * | 2007-04-13 | 2018-11-08 | Jenoptik Laser Gmbh | Laser und Verfahren zur Erzeugung gepulster Laserstrahlung |
US8002054B2 (en) | 2009-01-26 | 2011-08-23 | Kennametl Inc. | Roof drill bit, roof drill bit body and hard cutting insert for roof drill bit |
CN117929345B (zh) * | 2024-03-22 | 2024-07-02 | 北京万泰生物药业股份有限公司 | 一种手持式检测装置及荧光检测系统 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3898583A (en) * | 1972-03-29 | 1975-08-05 | Xerox Corp | Laser stabilization technique |
US4237427A (en) * | 1978-06-16 | 1980-12-02 | International Telephone And Telegraph Corporation | Apparatus for stabilizing a laser |
US4243952A (en) * | 1978-10-30 | 1981-01-06 | Rca Corporation | Temperature compensated bias circuit for semiconductor lasers |
JPS59140B2 (ja) * | 1979-01-13 | 1984-01-05 | 日本電信電話株式会社 | 半導体レ−ザ装置 |
JPH01164135A (ja) * | 1987-12-19 | 1989-06-28 | Fujitsu Ltd | 光周波数分割多重伝送方式における半導体レーザの発振周波数安定化方法 |
IT1219165B (it) * | 1988-03-31 | 1990-05-03 | Cselt Centro Studi Lab Telecom | Procedimento e dispositivo per il controllo automatico di frequenza di laser a semiconduttore |
-
1991
- 1991-09-20 EP EP91116045A patent/EP0481242B1/fr not_active Expired - Lifetime
- 1991-09-20 DE DE69120369T patent/DE69120369T2/de not_active Expired - Fee Related
- 1991-09-20 US US07/763,513 patent/US5200967A/en not_active Expired - Lifetime
- 1991-09-20 CA CA002060943A patent/CA2060943C/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5200967A (en) | 1993-04-06 |
EP0481242A2 (fr) | 1992-04-22 |
EP0481242B1 (fr) | 1996-06-19 |
DE69120369T2 (de) | 1997-01-09 |
EP0481242A3 (fr) | 1992-05-06 |
CA2060943C (fr) | 1996-01-09 |
DE69120369D1 (de) | 1996-07-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |