FI982841A0 - Optisella kuidulla kulkevien signaalien aallonpituuksien monitorointi - Google Patents

Optisella kuidulla kulkevien signaalien aallonpituuksien monitorointi

Info

Publication number
FI982841A0
FI982841A0 FI982841A FI982841A FI982841A0 FI 982841 A0 FI982841 A0 FI 982841A0 FI 982841 A FI982841 A FI 982841A FI 982841 A FI982841 A FI 982841A FI 982841 A0 FI982841 A0 FI 982841A0
Authority
FI
Finland
Prior art keywords
filter
wavelength
signal
optical
light wave
Prior art date
Application number
FI982841A
Other languages
English (en)
Swedish (sv)
Other versions
FI982841A (fi
Inventor
Ari Salomaa
Original Assignee
Nokia Telecommunications Oy
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 Nokia Telecommunications Oy filed Critical Nokia Telecommunications Oy
Priority to FI982841A priority Critical patent/FI982841A/fi
Publication of FI982841A0 publication Critical patent/FI982841A0/fi
Priority to PCT/FI1999/001087 priority patent/WO2000041351A2/en
Priority to AU30486/00A priority patent/AU3048600A/en
Publication of FI982841A publication Critical patent/FI982841A/fi
Priority to US09/885,387 priority patent/US20020030868A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0795—Performance monitoring; Measurement of transmission parameters
    • H04B10/07955—Monitoring or measuring power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0795—Performance monitoring; Measurement of transmission parameters
    • H04B10/07957—Monitoring or measuring wavelength

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
FI982841A 1998-12-31 1998-12-31 Optisella kuidulla kulkevien signaalien aallonpituuksien monitorointi FI982841A (fi)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI982841A FI982841A (fi) 1998-12-31 1998-12-31 Optisella kuidulla kulkevien signaalien aallonpituuksien monitorointi
PCT/FI1999/001087 WO2000041351A2 (en) 1998-12-31 1999-12-28 Monitoring of signal wavelengths in optical fibre
AU30486/00A AU3048600A (en) 1998-12-31 1999-12-28 Monitoring of signal wavelengths in optical fibre
US09/885,387 US20020030868A1 (en) 1998-12-31 2001-06-20 Monitoring of signal wavelengths in optical fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI982841A FI982841A (fi) 1998-12-31 1998-12-31 Optisella kuidulla kulkevien signaalien aallonpituuksien monitorointi

Publications (2)

Publication Number Publication Date
FI982841A0 true FI982841A0 (fi) 1998-12-31
FI982841A FI982841A (fi) 2000-07-01

Family

ID=8553231

Family Applications (1)

Application Number Title Priority Date Filing Date
FI982841A FI982841A (fi) 1998-12-31 1998-12-31 Optisella kuidulla kulkevien signaalien aallonpituuksien monitorointi

Country Status (4)

Country Link
US (1) US20020030868A1 (fi)
AU (1) AU3048600A (fi)
FI (1) FI982841A (fi)
WO (1) WO2000041351A2 (fi)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6674065B2 (en) 2000-12-20 2004-01-06 Axsun Technologies, Inc. Method and system for linearization of MOEMS tunable filter scan
AU2002231023A1 (en) * 2000-12-20 2002-07-01 Axsun Technologies, Inc. Optical band scanning monitor system and method
US7103276B1 (en) 2000-12-20 2006-09-05 Axsun Technologies, Inc. Optical band scanning monitor system and method
US7079765B2 (en) 2001-03-07 2006-07-18 Nippon Telegraph And Telephone Corporation Optical wavelength division multiplex signal monitoring apparatus
KR100378373B1 (ko) 2001-05-02 2003-03-29 삼성전자주식회사 파장분할 다중화된 광신호의 감시 방법 및 장치
US20020171884A1 (en) * 2001-05-16 2002-11-21 Yang Dan Dan High efficiency optical traffic monitoring and reporting
JP4622168B2 (ja) * 2001-06-22 2011-02-02 住友電気工業株式会社 波長多重信号光監視装置、監視方法、及び光伝送システム
US6993257B2 (en) 2001-08-15 2006-01-31 Broadband Royalty Corporation Optical channel monitor utilizing multiple Fabry-Perot filter pass-bands
JP4211918B2 (ja) * 2003-02-27 2009-01-21 富士通株式会社 光通信システム
WO2006018952A1 (ja) * 2004-08-20 2006-02-23 Matsushita Electric Industrial Co., Ltd. 多モード光伝送装置
US7903973B1 (en) 2005-12-23 2011-03-08 Lockheed Martin Corporation Dynamic temporal duration optical transmission privacy
US7792427B1 (en) 2006-01-30 2010-09-07 Lockheed Martin Corporation Optical code division multiple access data storage and retrieval
US7991288B1 (en) * 2006-02-07 2011-08-02 Lockheed Martin Corporation Optical code division multiple access data storage encryption and retrieval
US8032020B2 (en) * 2006-05-09 2011-10-04 Aegis Lightwave, Inc. Self calibrated optical spectrum monitor
TWI410714B (zh) * 2008-09-25 2013-10-01 Au Optronics Corp 側光式背光模組及其操作方法
US20110017780A1 (en) * 2009-07-24 2011-01-27 Coroneos Donald L Valve assembly, repair kit, and method for salvaging an aerosol container
CN104170282A (zh) * 2012-06-07 2014-11-26 华为技术有限公司 光信号接收方法和接收装置
JP5937981B2 (ja) * 2013-02-26 2016-06-22 日本電信電話株式会社 光チャネルモニタ及び光チャネルモニタリング方法
US10591388B2 (en) 2015-04-27 2020-03-17 Virtual Fluid Monitoring Services LLC Fluid analysis and monitoring using optical spectroscopy
BR112017023320A2 (pt) 2015-04-27 2018-08-14 Virtual Fluid Monitoring Services LLC sistemas, aparelhos e métodos para análise e monitoramento de fluido
US11442019B2 (en) 2018-06-19 2022-09-13 Virtual Fluid Monitoring Services, Llc Fluid analysis and monitoring using optical spectroscopy

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2723067B2 (ja) * 1995-03-14 1998-03-09 日本電気株式会社 光増幅装置
JPH08288932A (ja) * 1995-04-18 1996-11-01 Koshin Kogaku:Kk 光チューナブルフィルタのピーク透過波長検索装置
JPH08288931A (ja) * 1995-04-18 1996-11-01 Koshin Kogaku:Kk 光チューナブルフィルタ装置
JP3075200B2 (ja) * 1996-12-10 2000-08-07 日本電気株式会社 信号光モニタとこれを用いた光増幅器
NO307357B1 (no) * 1997-02-14 2000-03-20 Optoplan As Anordning for maling av optiske bolgelengder
US5969834A (en) * 1997-09-03 1999-10-19 Ditech Corporation Method and apparatus for monitoring wavelength multiplexed optical signals
EP1223438B1 (en) * 1997-10-20 2005-02-09 Nippon Telegraph and Telephone Corporation Reference wavelenght light generation apparatus

Also Published As

Publication number Publication date
FI982841A (fi) 2000-07-01
WO2000041351A3 (en) 2000-11-09
WO2000041351A2 (en) 2000-07-13
AU3048600A (en) 2000-07-24
US20020030868A1 (en) 2002-03-14

Similar Documents

Publication Publication Date Title
FI982841A0 (fi) Optisella kuidulla kulkevien signaalien aallonpituuksien monitorointi
EP1018195B1 (en) Optical amplifier with actively controlled spectral gain
KR100408187B1 (ko) 주파수 변조된 광신호 전송장치 및 주파수 변조된광신호의 전력 및 광주파수 감시장치
US8822895B2 (en) Fiber fuse detecting apparatus
CN101567723B (zh) 一种基于光功率检测的微波频率测量方法及其装置
EP0730190A3 (en) Multifrequency lightwave source using phase modulation for suppressing stimulated Brillouin scattering in optical fibres
JP2004502141A5 (fi)
EP0423903A3 (en) Optical measuring device using a spectral modulation sensor having an optically resonant structure
JPH04274724A (ja) Ｏｔｄｒ装置
EP1965518A1 (en) Apparatus for detecting peaks of wavelength-division-multiplexed light and apparatus for controlling said light
WO2000003201A3 (en) Scale factor stabilization of a broadband fiber source used in fiber optic gyroscopes in radiation environments
DE3778779D1 (de) Wellenlaengenempfindliche optische vorrichtungen.
EP1128579A4 (en) METHOD AND DEVICE FOR MONITORING OPTICAL COMMUNICATIONS, OPTICAL GAIN ASSEMBLY, METHOD FOR CHECKING AN OPTICAL GAIN ARRANGEMENT, AND OPTICAL COMMUNICATION ARRANGEMENT
KR100216595B1 (ko) 유도 브릴루앙 산란을 이용한 레이저 선폭 측정장치
CA2377647A1 (en) Broadband wavelength-division multiplexer/demultiplexer
KR100292808B1 (ko) 투과특성이 서로 다른 광학 필터를 이용한 주파수 감시 장치
SE9900991L (sv) Mottagartransponder för skyddade nät
US5557694A (en) Method of determining the zero dispersion wavelength of an optical waveguide
JP3493272B2 (ja) 光波長安定化装置および光伝送装置
US6636342B2 (en) Light source used in wavelength multiplexing
ES2094579T3 (es) Amplificador de fibra optica con dispositivo de supervision de la potencia de entrada.
KR100401137B1 (ko) 광섬유 증폭기 및 이를 이용한 광섬유 격자 파장 측정 장치
RU2579758C1 (ru) Контроллер защиты волоконно-оптических линий
GB2233087A (en) Apparatus for monitoring a gas or a flame
JP2577199B2 (ja) 光ファイバ式分布形温度センサ

Legal Events

Date Code Title Description
FD Application lapsed