KR910017171A - 광섬유 증폭 중계기용 원격 측정 시스템 - Google Patents

광섬유 증폭 중계기용 원격 측정 시스템 Download PDF

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Publication number
KR910017171A
KR910017171A KR1019910004527A KR910004527A KR910017171A KR 910017171 A KR910017171 A KR 910017171A KR 1019910004527 A KR1019910004527 A KR 1019910004527A KR 910004527 A KR910004527 A KR 910004527A KR 910017171 A KR910017171 A KR 910017171A
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KR
South Korea
Prior art keywords
signal
telemetry
telemetry system
pump
modulator
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KR1019910004527A
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English (en)
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KR100217803B1 (ko
Inventor
티 파테히 엠.
앤더스 올쏜 닐스
Original Assignee
엘리 와이스
아메리칸 텔리폰 앤드 텔레그라프 캄파니
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Publication of KR910017171A publication Critical patent/KR910017171A/ko
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Publication of KR100217803B1 publication Critical patent/KR100217803B1/ko

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/28—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with deflection of beams of light, e.g. for direct optical indication
    • 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/293—Signal power control
    • H04B10/2931—Signal power control using AGC
    • 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
    • H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
    • H04B10/0777—Monitoring line amplifier or line repeater equipment
    • 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/07—Monitoring an optical transmission system using a supervisory signal
    • H04B2210/074—Monitoring an optical transmission system using a supervisory signal using a superposed, over-modulated signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/07—Monitoring an optical transmission system using a supervisory signal
    • H04B2210/078—Monitoring an optical transmission system using a supervisory signal using a separate wavelength

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
  • Selective Calling Equipment (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

내용 없음

Description

광섬유 증폭 중계기용 원격 측정 시스템
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 온-라인 원격 측정 액서스용 회로를 포함하는 제1도의 중계기의 블럭선도, 제3도는 중계기로서 광학, 증폭기를 갖는 광파 통신 시스템의 블럭선도, 제4도는 본 발명의 원리에 따라 상호 전파하는 원격 측정 시스템을 갖는 도프된 섬유 광학 증폭 중계기의 선도.

Claims (16)

  1. 광섬유 전송 시스템용 원격 측정 시스템으로, 광학적으로 펌프된 광학 증폭기와, 상기 광학 증폭기에 결합되어 원격 측정 신호를 전송하기 위해 펌프 신호를 변조하기 위한 변조수단을 포함하는 원격 측정 시스템.
  2. 제1항에 있어서, 상기 광학적으로 폄프된 광학 증폭기는 상기 광학중폭기에 의해 요청된 것보다 더 큰 신호를 갖는 펌프를 포함하는 원격측정 시스템.
  3. 제2항에 있어서, 상기 변조 수단은, 펌프 신호를 변조하기 위해 결합된 변조기, 상기 변조기에 결합되어 펌프 신호를 변조하기 위한 캐리어 신호를 제공하는 발진기와, 캐리어 신호를 변조하는 상기 변조기에 원격 측정신호를 커플링하기 위한 수단을 포함하는 원격 측정 시스템.
  4. 제3항에 있어서, 상기 변조기는 상기 원격 측정 신호로 상기 캐리어 신호를 진폭 변조하는 원격 측정 시스템.
  5. 제3항에 있어서, 상기 변조기는 상기 원격 측정 신호를 상기 캐리어 신호를 주파수 변조하는 원격 측정 시스템.
  6. 제3항에 있어서, 상기 변조기는 상기 원격 측정 신호로 상기 캐리어 신호를 위상-시프트 키이 변조하는 원격 측정 시스템.
  7. 제3항에 있어서, 상기 변조기는 상기 원격 측정 신호로 상기 캐리어 신호를 진폭 시프트 키이 변조하는 원격측정 시스템.
  8. 제3항에 있어서, 상기 변조기는 상기 원격 측정 신호로 상기 캐리어 신호를 주파수 시프트 키에 변조하는 원격 측정 시스템.
  9. 광학 신호를 전송하기 위한 광학 증폭기에 결합된 광섬유, 상기 광학 중폭기에 의해 증폭된 데이타 신호로부터 수신된 펌프 신호를 분리하기 위해 상기 광학 증폭기로부터 원격된 위치에서 상기 광섬유에 결합된 커플러를 포함하는 제3항의 원격측정 시스템.
  10. 캐리어 신호로부터 원격 측정 신호를 분리하기 위해 상기 커플러로부터 펌프 신호를 수신하도록 결합된 복조 수단을 포함하는 제9항의 원격 측정시스템.
  11. 제10항에 있어서, 상기 캐리어 신호의 주파수는 2㎑ 내지 400㎑ 범위 사이에 있는 원격 측정 시스템.
  12. 제2항에 있어서, 상기 광학 증폭기로부터의 신호 파장은 실제로 1.55㎛이고, 펌프로부터의 신호 파장은 실제 1.48㎛혹은 그 이하인 원격 측정 시스템.
  13. 제3항에 있어서, 변조된 캐리어 신호는 데이타와 동일한 방향(상호 전파 방향)으로 주행하는 원격 측정 시스템.
  14. 제3항에 있어서, 변조된 캐리어 신호는 데이타의 방향과 반대방향(카운타 전파방향)으로 주행하는 원격 측정 시스템.
  15. 제3항에 있어서, 상기 발진기는 상기 광학 증푹기에 의해 증폭된 데이타 신호의 이득 변조를 얻기 위해 2㎑ 보다 작은 주파수를 갖는 신호를 발생하는 원격 측정 시스템.
  16. 광학 증폭기로, 도프된 광섬유, 상기 도프된 광섬유를 펌프하기 위한 펌프, 상기 펌프에 결합되어 상기 펌프로부터 도프된 광섬유로 신호를 변조하기 위한 수단을 포함하는 광학증폭기.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910004527A 1990-03-26 1991-03-22 광섬유 증폭 중계기용 원격 측정 시스템 KR100217803B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/499,112 US5229876A (en) 1990-03-26 1990-03-26 Telemetry for optical fiber amplifier repeater
US499,112 1990-03-26

Publications (2)

Publication Number Publication Date
KR910017171A true KR910017171A (ko) 1991-11-05
KR100217803B1 KR100217803B1 (ko) 1999-09-01

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KR1019910004527A KR100217803B1 (ko) 1990-03-26 1991-03-22 광섬유 증폭 중계기용 원격 측정 시스템

Country Status (5)

Country Link
US (1) US5229876A (ko)
EP (1) EP0449475B1 (ko)
JP (1) JPH04223246A (ko)
KR (1) KR100217803B1 (ko)
DE (1) DE69127568T2 (ko)

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Publication number Publication date
US5229876A (en) 1993-07-20
EP0449475A3 (en) 1992-10-07
EP0449475B1 (en) 1997-09-10
KR100217803B1 (ko) 1999-09-01
EP0449475A2 (en) 1991-10-02
JPH04223246A (ja) 1992-08-13
DE69127568T2 (de) 1998-02-05
DE69127568D1 (de) 1997-10-16

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