FR2750271B1 - Dispositif de controle de longueurs d'onde optiques - Google Patents

Dispositif de controle de longueurs d'onde optiques

Info

Publication number
FR2750271B1
FR2750271B1 FR9707729A FR9707729A FR2750271B1 FR 2750271 B1 FR2750271 B1 FR 2750271B1 FR 9707729 A FR9707729 A FR 9707729A FR 9707729 A FR9707729 A FR 9707729A FR 2750271 B1 FR2750271 B1 FR 2750271B1
Authority
FR
France
Prior art keywords
monitoring device
optical wavelength
wavelength monitoring
optical
wavelength
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
FR9707729A
Other languages
English (en)
Other versions
FR2750271A1 (fr
Inventor
Yukio Horiuchi
Shu Yamamoto
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.)
KDDI Corp
Original Assignee
Kokusai Denshin Denwa KK
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 Kokusai Denshin Denwa KK filed Critical Kokusai Denshin Denwa KK
Publication of FR2750271A1 publication Critical patent/FR2750271A1/fr
Application granted granted Critical
Publication of FR2750271B1 publication Critical patent/FR2750271B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
    • G01J1/1626—Arrangements with two photodetectors, the signals of which are compared
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
  • Semiconductor Lasers (AREA)
FR9707729A 1996-06-21 1997-06-20 Dispositif de controle de longueurs d'onde optiques Expired - Fee Related FR2750271B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8161996A JPH109961A (ja) 1996-06-21 1996-06-21 光波長監視装置

Publications (2)

Publication Number Publication Date
FR2750271A1 FR2750271A1 (fr) 1997-12-26
FR2750271B1 true FR2750271B1 (fr) 2004-02-13

Family

ID=15746060

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9707729A Expired - Fee Related FR2750271B1 (fr) 1996-06-21 1997-06-20 Dispositif de controle de longueurs d'onde optiques

Country Status (3)

Country Link
US (1) US5898502A (fr)
JP (1) JPH109961A (fr)
FR (1) FR2750271B1 (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5999271A (en) * 1998-06-01 1999-12-07 Shih; Ishiang Methods and devices to determine the wavelength of a laser beam
US6097743A (en) * 1998-06-16 2000-08-01 Sarnoff Corporation Superluminescent diode and optical amplifier with wavelength stabilization using WDM couplers and back output light
JP3237624B2 (ja) 1998-09-04 2001-12-10 日本電気株式会社 レーザ発振波長監視装置
US6708004B1 (en) 1998-12-01 2004-03-16 Tyco Telecommunications (Us) Inc. Method and apparatus for reducing crosstalk between a monitoring channel and a data channel in a WDM optical communication system
JP2001230731A (ja) * 2000-02-17 2001-08-24 Ando Electric Co Ltd 波長計
US6707550B1 (en) 2000-04-18 2004-03-16 Pts Corporation Wavelength monitor for WDM systems
US6795459B2 (en) 2000-10-18 2004-09-21 Fibera, Inc. Light frequency locker
US6486950B1 (en) 2000-12-05 2002-11-26 Jds Uniphase Corporation Multi-channel wavelength monitor
US6714715B2 (en) 2001-09-17 2004-03-30 Terraworx, Inc. Optical device, system and method for detecting a condition in an optical device
WO2004029545A2 (fr) * 2002-09-27 2004-04-08 Soquel Technology, Inc. Procede et appareil de determination de la longueur d'onde d'un faisceau de lumiere incident
US7113282B2 (en) * 2003-12-19 2006-09-26 3M Innonative Properties Company Multiplexing rotary spectrometer
JP2005195474A (ja) * 2004-01-07 2005-07-21 Nec Corp 多波長一括監視方法及び装置
JP4804957B2 (ja) * 2006-02-27 2011-11-02 富士重工業株式会社 損傷探知システム
JP5008182B2 (ja) * 2006-12-01 2012-08-22 富士重工業株式会社 衝撃探知システム
JP2008139170A (ja) * 2006-12-01 2008-06-19 Fuji Heavy Ind Ltd 衝撃探知システム
JP2010114507A (ja) * 2008-11-04 2010-05-20 Oki Electric Ind Co Ltd 光通信装置及びこの光通信装置における誤接続監視方法
US8649679B2 (en) * 2008-12-15 2014-02-11 At&T Intellectual Property I, L.P. Management system for GPON based services
JP2011185921A (ja) * 2010-02-09 2011-09-22 Fuji Heavy Ind Ltd 損傷長測定システム及び損傷長測定方法
DE102012107743A1 (de) * 2012-08-22 2014-02-27 Osram Opto Semiconductors Gmbh Optoelektronischer Sensor, optoelektronisches Bauelement mit einem optoelektronischen Sensor und Verfahren zum Betrieb eines optoelektronischen Sensors
KR101418308B1 (ko) * 2013-02-25 2014-07-10 우송대학교 산학협력단 엘이디 파장 측정 장치 및 이를 이용한 엘이디 파장 측정 방법
JP6229474B2 (ja) * 2013-12-13 2017-11-15 富士通株式会社 半導体レーザ装置、光アンプおよび判定方法
CN104836109B (zh) * 2015-05-12 2018-05-18 深圳市伽蓝特科技有限公司 一种扫描光源波长范围锁定装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2862391D1 (de) * 1977-10-26 1984-04-26 Post Office Control apparatus for a semi-conductor laser device
JPH0728077B2 (ja) * 1986-04-16 1995-03-29 株式会社トプコン 半導体レ−ザ−の発振周波数・発振出力安定化装置
GB2226127B (en) * 1988-12-16 1992-07-29 Stc Plc Optical frequency monitor
US4998043A (en) * 1989-05-01 1991-03-05 Fujikura Ltd. LED stabilizing light source device
DE4039371C2 (de) * 1990-12-10 2000-05-31 Zeiss Carl Fa Einrichtung zur Stabilisierung der Wellenlänge einer Laserdiode

Also Published As

Publication number Publication date
US5898502A (en) 1999-04-27
FR2750271A1 (fr) 1997-12-26
JPH109961A (ja) 1998-01-16

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20060228