ITMI942208A0 - Riflettometro di dominio temporale ottico particolarmente per comunicazione ottica - Google Patents

Riflettometro di dominio temporale ottico particolarmente per comunicazione ottica

Info

Publication number
ITMI942208A0
ITMI942208A0 ITMI942208A ITMI942208A ITMI942208A0 IT MI942208 A0 ITMI942208 A0 IT MI942208A0 IT MI942208 A ITMI942208 A IT MI942208A IT MI942208 A ITMI942208 A IT MI942208A IT MI942208 A0 ITMI942208 A0 IT MI942208A0
Authority
IT
Italy
Prior art keywords
optical
domain reflectometer
temporal domain
optical communication
communication
Prior art date
Application number
ITMI942208A
Other languages
English (en)
Inventor
Mitsuhisa Sato
Mikio Maeda
Shinichi Furukawa
Original Assignee
Ando Electric
Nippon Telegraph & Telephone
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 Ando Electric, Nippon Telegraph & Telephone filed Critical Ando Electric
Publication of ITMI942208A0 publication Critical patent/ITMI942208A0/it
Publication of ITMI942208A1 publication Critical patent/ITMI942208A1/it
Application granted granted Critical
Publication of IT1272837B publication Critical patent/IT1272837B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
    • G01M11/319—Reflectometers using stimulated back-scatter, e.g. Raman or fibre amplifiers
    • 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
    • H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Optical Communication System (AREA)
ITMI942208A 1993-10-29 1994-10-27 Riflettometro di dominio temporale ottico particolarmente per comunicazione ottica IT1272837B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP05272678A JP3122293B2 (ja) 1993-10-29 1993-10-29 Ｏｔｄｒ測定装置

Publications (3)

Publication Number Publication Date
ITMI942208A0 true ITMI942208A0 (it) 1994-10-27
ITMI942208A1 ITMI942208A1 (it) 1996-04-27
IT1272837B IT1272837B (it) 1997-06-30

Family

ID=17517271

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI942208A IT1272837B (it) 1993-10-29 1994-10-27 Riflettometro di dominio temporale ottico particolarmente per comunicazione ottica

Country Status (4)

Country Link
US (1) US5500731A (it)
JP (1) JP3122293B2 (it)
DE (1) DE4438415C2 (it)
IT (1) IT1272837B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3094925B2 (ja) * 1996-10-31 2000-10-03 安藤電気株式会社 光ファイバ歪測定装置
US6002501A (en) * 1997-06-30 1999-12-14 Lockheed Martin Energy Research Corp. Method and apparatus for active tamper indicating device using optical time-domain reflectometry
WO2001031890A2 (en) 1999-10-28 2001-05-03 Tollgrade Communications, Inc. Method and apparatus for delay-line time-domain reflectometry
CN110086529A (zh) * 2019-04-15 2019-08-02 北京盟力星科技有限公司 一种基于光缆监测站的测试分析***

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3804135A1 (de) * 1988-02-11 1989-08-24 Felten & Guilleaume Energie Verfahren zur kontinuierlichen daempfungsmessung von lichtwellenleiter-sensoren mit nur einem zugaenglichen ende
JP2840682B2 (ja) * 1989-10-03 1998-12-24 日本電信電話株式会社 光導波路の歪または温度の測定方法および装置
JPH04138331A (ja) * 1990-09-28 1992-05-12 Ando Electric Co Ltd ヘテロダイン受光を用いた光パルス試験器
JP2977053B2 (ja) * 1991-07-12 1999-11-10 安藤電気株式会社 高出力光パルス発生器

Also Published As

Publication number Publication date
DE4438415C2 (de) 2001-09-13
DE4438415A1 (de) 1995-05-04
ITMI942208A1 (it) 1996-04-27
JPH07128185A (ja) 1995-05-19
IT1272837B (it) 1997-06-30
JP3122293B2 (ja) 2001-01-09
US5500731A (en) 1996-03-19

Similar Documents

Publication Publication Date Title
DE69509567D1 (de) Leitungsungebundenes optisches Kommunikationssystem
DE69432502D1 (de) Leitungsungebundenes optisches Übertragungssystem
DE69429803D1 (de) Kommunikationsschnittstellensystem
DE69430167D1 (de) Leitungsungebundene optische Kommunikationssysteme
DE69420096D1 (de) Telekommunikationssystemüberwachung
DE59403063D1 (de) Optisches Bauelement
DE69428586D1 (de) Kommunikationssystem
ITTV930108A0 (it) Struttura di cerniera per occhiali
DE59409521D1 (de) Optisches bauelement
NO972326D0 (no) Optisk nett
NO974392D0 (no) Optisk nett
DE69430108D1 (de) Optisches Übertragungssystem
DE69516498D1 (de) Ultra-rauscharmer optischer empfänger
DE69324563D1 (de) Optisches Solitonpulsübertragungssystem
DE69309025D1 (de) Optischer Zeitbereichreflektometer
DE69714248D1 (de) Optischer isolator
DE69533274D1 (de) Optisches Zeitgetrenntlage-Übertragungssystem
DE59710516D1 (de) Binokulare fernrohrlupenbrille
DE69736473D1 (de) Optischer empfänger
DE69415932D1 (de) Telekommunikationseinheit
DE69409850D1 (de) Optischer Isolator
ITMI942208A0 (it) Riflettometro di dominio temporale ottico particolarmente per comunicazione ottica
DK0711481T3 (da) Kommunikationssystem
IT1282764B1 (it) Dispositivo di montaggio per accessorio fissabile agli occhiali.
NO941911D0 (no) Kommunikasjons-system

Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971028