CA2615327C - Systeme de mesure des caracteristiques des fibres optiques - Google Patents

Systeme de mesure des caracteristiques des fibres optiques Download PDF

Info

Publication number
CA2615327C
CA2615327C CA2615327A CA2615327A CA2615327C CA 2615327 C CA2615327 C CA 2615327C CA 2615327 A CA2615327 A CA 2615327A CA 2615327 A CA2615327 A CA 2615327A CA 2615327 C CA2615327 C CA 2615327C
Authority
CA
Canada
Prior art keywords
light
optical fiber
pulse
frequency
measuring system
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
CA2615327A
Other languages
English (en)
Other versions
CA2615327A1 (fr
Inventor
Yahei Koyamada
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.)
Yokogawa Electric Corp
Original Assignee
Yokogawa Electric Corp
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 Yokogawa Electric Corp filed Critical Yokogawa Electric Corp
Publication of CA2615327A1 publication Critical patent/CA2615327A1/fr
Application granted granted Critical
Publication of CA2615327C publication Critical patent/CA2615327C/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Testing Of Optical Devices Or Fibers (AREA)
CA2615327A 2006-12-26 2007-12-20 Systeme de mesure des caracteristiques des fibres optiques Expired - Fee Related CA2615327C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006349391A JP4904148B2 (ja) 2006-12-26 2006-12-26 光ファイバ特性測定装置
JP2006-349391 2006-12-26

Publications (2)

Publication Number Publication Date
CA2615327A1 CA2615327A1 (fr) 2008-06-26
CA2615327C true CA2615327C (fr) 2013-04-16

Family

ID=39551498

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2615327A Expired - Fee Related CA2615327C (fr) 2006-12-26 2007-12-20 Systeme de mesure des caracteristiques des fibres optiques

Country Status (2)

Country Link
JP (1) JP4904148B2 (fr)
CA (1) CA2615327C (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5264659B2 (ja) * 2009-09-07 2013-08-14 日本電信電話株式会社 光線路特性測定方法及び装置
CN101832856A (zh) * 2010-04-19 2010-09-15 北京交通大学 用恒定幅度及脉宽的可变频光源测定发光期间的方法
US8988671B2 (en) * 2012-07-19 2015-03-24 Nanjing University BOTDA system that combined optical pulse coding techniques and coherent detection
JP6097712B2 (ja) * 2014-03-06 2017-03-15 日本電信電話株式会社 光ファイバの伝搬定数測定装置及び方法
CN104634503B (zh) * 2015-02-10 2017-03-08 北京航空航天大学 一种测量流场压力场的方法及装置
CN109000157B (zh) * 2018-10-01 2024-03-29 江苏亨通光纤科技有限公司 一种管道在线监测装置和监测方法
CN117969043B (zh) * 2024-03-28 2024-05-31 德州振飞光纤技术有限公司 一种保偏光纤偏振轴的检测装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2589345B2 (ja) * 1988-06-24 1997-03-12 日本電信電話株式会社 光ファイバの特性評価方法および装置
JP3072865B2 (ja) * 1991-09-17 2000-08-07 日本電信電話株式会社 光パルス試験器用光増幅器
JP3237745B2 (ja) * 1996-07-31 2001-12-10 日本電信電話株式会社 歪・温度分布測定方法およびその測定装置
JP2003185534A (ja) * 2001-12-17 2003-07-03 Kansai Electric Power Co Inc:The 分散分布測定方法および測定装置

Also Published As

Publication number Publication date
JP4904148B2 (ja) 2012-03-28
JP2008157859A (ja) 2008-07-10
CA2615327A1 (fr) 2008-06-26

Similar Documents

Publication Publication Date Title
EP2084505B1 (fr) Détection d'une perturbation dans la phase d'une lumière se propageant dans un guide d'ondes optique
Pastor-Graells et al. Chirped-pulse phase-sensitive reflectometer assisted by first-order Raman amplification
US7873273B2 (en) Apparatus for measuring the characteristics of an optical fiber
CA2615327C (fr) Systeme de mesure des caracteristiques des fibres optiques
JP3033677B2 (ja) 光ファイバ特性測定装置
Zornoza et al. Brillouin distributed sensor using RF shaping of pump pulses
JP5105302B2 (ja) 光ファイバ特性測定装置及び光ファイバ特性測定方法
CA3104086C (fr) Systeme de detection acoustique distribue base sur la reflectometrie optique dans le domaine temporel sensible a la phase sans rapport d'extinction
KR101182650B1 (ko) 분포형 광섬유 센서 및 브릴루앙 산란을 이용한 센싱 방법
JP2009198300A (ja) 光ファイバ特性測定装置及び方法
KR101310783B1 (ko) 브릴루앙 이득 및 손실 동시 측정을 이용한 분포형 광섬유 센서 및 센싱 방법
Schneider Wavelength and line width measurement of optical sources with femtometre resolution
KR101889351B1 (ko) 유효 측정점 개수가 확대된 공간선택적 브릴루앙 분포형 광섬유 센서 및 브릴루앙 산란을 이용한 센싱 방법
Chen et al. Transient nanostrain detection in phi-OTDR using statistics-based signal processing
US11796419B2 (en) Distributed Brillouin laser sensor
Tanaka et al. Guided-acoustic-wave Brillouin scattering observed backward by stimulated Brillouin scattering
Wu et al. High performance distributed acoustic sensor based on ultra-weak FBG array
Ryu et al. Enhanced measurement range of single end accessible Brillouin optical correlation domain analysis incorporating time-domain data processing
EP3100005A1 (fr) Dispositif de détection optique distribué et procédé de mesure sur des plages étendues
CN114279476B (zh) 基于相位型混沌激光的分布式光纤传感装置及其测量方法
US20240053172A1 (en) Optical fiber sensor and brillouin frequency shift measurement method
Ryu et al. 50 km range BOCDA assisted by Raman amplification
Datta et al. Performance enhancement of Raman optical time domain reflectometer using Golay codes
Ryu et al. Brillouin Optical Correlation Domain Analysis Assisted by First-Order Distributed Raman Amplification
Kim et al. Optimized pump compensation of a BOTDA system with distributed Brillouin amplification

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20181220