NL9300618A - Optisch circuit voor een meetsysteem voor het meten van de reflectiegevoeligheid van een optisch transmissiesysteem. - Google Patents

Optisch circuit voor een meetsysteem voor het meten van de reflectiegevoeligheid van een optisch transmissiesysteem. Download PDF

Info

Publication number
NL9300618A
NL9300618A NL9300618A NL9300618A NL9300618A NL 9300618 A NL9300618 A NL 9300618A NL 9300618 A NL9300618 A NL 9300618A NL 9300618 A NL9300618 A NL 9300618A NL 9300618 A NL9300618 A NL 9300618A
Authority
NL
Netherlands
Prior art keywords
optical
reflection
connection point
circuit according
optical circuit
Prior art date
Application number
NL9300618A
Other languages
English (en)
Dutch (nl)
Original Assignee
Nederland Ptt
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 Nederland Ptt filed Critical Nederland Ptt
Priority to NL9300618A priority Critical patent/NL9300618A/nl
Priority to AT94200753T priority patent/ATE182432T1/de
Priority to DE69419553T priority patent/DE69419553T2/de
Priority to ES94200753T priority patent/ES2134893T3/es
Priority to EP94200753A priority patent/EP0619657B1/fr
Priority to US08/221,034 priority patent/US5455671A/en
Priority to JP06104254A priority patent/JP3084501B2/ja
Publication of NL9300618A publication Critical patent/NL9300618A/nl

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
    • 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)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Light Guides In General And Applications Therefor (AREA)
NL9300618A 1993-04-08 1993-04-08 Optisch circuit voor een meetsysteem voor het meten van de reflectiegevoeligheid van een optisch transmissiesysteem. NL9300618A (nl)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL9300618A NL9300618A (nl) 1993-04-08 1993-04-08 Optisch circuit voor een meetsysteem voor het meten van de reflectiegevoeligheid van een optisch transmissiesysteem.
AT94200753T ATE182432T1 (de) 1993-04-08 1994-03-23 Optische schaltung zur reflektionsempfindlichkeitsmessung eines optischen übertragungssystems
DE69419553T DE69419553T2 (de) 1993-04-08 1994-03-23 Optische Schaltung zur Reflektionsempfindlichkeitsmessung eines optischen Übertragungssystems
ES94200753T ES2134893T3 (es) 1993-04-08 1994-03-23 Circuito optico para medir la sensibilidad a las reflexiones de un sistema de transmision optica.
EP94200753A EP0619657B1 (fr) 1993-04-08 1994-03-23 Circuit optique pour la mesure de la sensibilité aux réflextions d'un système de transmission optique
US08/221,034 US5455671A (en) 1993-04-08 1994-03-30 Optical circuit for a measuring system for measuring the reflection sensitivity of an optical transmission system
JP06104254A JP3084501B2 (ja) 1993-04-08 1994-04-08 光伝送システムの反射感度を測定する測定システムの光学回路

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9300618 1993-04-08
NL9300618A NL9300618A (nl) 1993-04-08 1993-04-08 Optisch circuit voor een meetsysteem voor het meten van de reflectiegevoeligheid van een optisch transmissiesysteem.

Publications (1)

Publication Number Publication Date
NL9300618A true NL9300618A (nl) 1994-11-01

Family

ID=19862271

Family Applications (1)

Application Number Title Priority Date Filing Date
NL9300618A NL9300618A (nl) 1993-04-08 1993-04-08 Optisch circuit voor een meetsysteem voor het meten van de reflectiegevoeligheid van een optisch transmissiesysteem.

Country Status (7)

Country Link
US (1) US5455671A (fr)
EP (1) EP0619657B1 (fr)
JP (1) JP3084501B2 (fr)
AT (1) ATE182432T1 (fr)
DE (1) DE69419553T2 (fr)
ES (1) ES2134893T3 (fr)
NL (1) NL9300618A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0714501U (ja) * 1993-08-11 1995-03-10 日本化学発光株式会社 化学発光体
GB9526185D0 (en) * 1995-12-21 1996-02-21 Stc Submarine Systems Ltd Fiber-break detection in bi-directional optical amplifier systems
DE19808601A1 (de) * 1998-02-28 1999-09-09 Deutsche Telekom Ag Messverfahren für Einzelfasern von Kabeln
JP2002122515A (ja) * 2000-10-13 2002-04-26 Advantest Corp 光特性測定装置、方法、記録媒体

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5597753A (en) * 1979-01-19 1980-07-25 Matsushita Electric Ind Co Ltd Optical-fiber transmission control system
JPH02140638A (ja) * 1988-11-21 1990-05-30 Nippon Telegr & Teleph Corp <Ntt> 後方散乱光測定装置
JPH02176535A (ja) * 1988-12-28 1990-07-09 Fujikura Ltd 光線路監視装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58100733A (ja) * 1981-12-11 1983-06-15 Hitachi Ltd 光フアイバ損失測定法
JPH0298647A (ja) * 1988-10-04 1990-04-11 Ando Electric Co Ltd 光反射率測定器
JPH03181836A (ja) * 1989-12-12 1991-08-07 Anritsu Corp 反射光による光学系の特性評価装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5597753A (en) * 1979-01-19 1980-07-25 Matsushita Electric Ind Co Ltd Optical-fiber transmission control system
JPH02140638A (ja) * 1988-11-21 1990-05-30 Nippon Telegr & Teleph Corp <Ntt> 後方散乱光測定装置
JPH02176535A (ja) * 1988-12-28 1990-07-09 Fujikura Ltd 光線路監視装置

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 14, no. 376 (P - 1092) 14 August 1990 (1990-08-14) *
PATENT ABSTRACTS OF JAPAN vol. 14, no. 445 (P - 1110) 25 September 1990 (1990-09-25) *
PATENT ABSTRACTS OF JAPAN vol. 4, no. 145 (E - 29)<627> 14 October 1980 (1980-10-14) *
R.K.STAUBLI ET AL: "Crosstalk Penalties due to Coherent Rayleigh Noise in Bidirectional Optical Communications Systems", JOURNAL OF LIGHTWAVE TECHNOLOGY., vol. 9, no. 3, March 1991 (1991-03-01), NEW YORK US, pages 375 - 380 *

Also Published As

Publication number Publication date
ES2134893T3 (es) 1999-10-16
DE69419553D1 (de) 1999-08-26
JPH0798415A (ja) 1995-04-11
EP0619657A1 (fr) 1994-10-12
JP3084501B2 (ja) 2000-09-04
US5455671A (en) 1995-10-03
DE69419553T2 (de) 1999-12-30
EP0619657B1 (fr) 1999-07-21
ATE182432T1 (de) 1999-08-15

Similar Documents

Publication Publication Date Title
US5280549A (en) Frequency dependent optical isolator
US6327060B1 (en) Optical transmission system, optically branching apparatus and optical signal processing apparatus
US4910727A (en) Optical transceiver having waveguide couplers for filtering and duplexing transmit and receive wavelengths
JPH06117961A (ja) 光線路監視方法
JP2000097856A (ja) 偏波無依存リフレクトメトリー及び偏波無依存リフレクトメータ
US4627723A (en) Optical range simulator devices
EP1380828B1 (fr) Module optoélectronique avec fonction loop-back intégrée
US20040086214A1 (en) Optical circulator for bi-directional communication
KR102512538B1 (ko) 저누화 단일 코어 양방향 광학 어셈블리
NL9300618A (nl) Optisch circuit voor een meetsysteem voor het meten van de reflectiegevoeligheid van een optisch transmissiesysteem.
US6882764B1 (en) Polarization independent packaging for polarization sensitive optical waveguide amplifier
CN209198829U (zh) 保偏稀土掺杂光纤放大器
US6172802B1 (en) Bidirectional optical amplification system
US6211950B1 (en) Optical pulse reflectometer
JP3836707B2 (ja) フィルタ機能付クロス導波路
JP2020194150A (ja) 波長選択フィルタ
US20240106539A1 (en) Optical router for distributing optical signals
JP4103999B2 (ja) 光線路損失測定方法及び測定装置
KR102146807B1 (ko) 광선로 모니터링 모듈, 이를 이용한 광선로 감시 시스템
JP3120777B2 (ja) 光導波路型信号光モニタデバイス
JPH10104421A (ja) 光フィルタ素子およびこれを用いた光ファイバ線路監視装置
JP3282644B2 (ja) 光部品検査装置
JP4173967B2 (ja) 光ファイバ損失測定方法及び測定装置
WO1993025014A1 (fr) Isolateur optique et systeme de telecommunications optique
EP0469126A1 (fr) Duplexeur optique.

Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed