BRPI0513038A - método para amplificar um pulso de luz em uma fibra óptica - Google Patents

método para amplificar um pulso de luz em uma fibra óptica

Info

Publication number
BRPI0513038A
BRPI0513038A BRPI0513038-7A BRPI0513038A BRPI0513038A BR PI0513038 A BRPI0513038 A BR PI0513038A BR PI0513038 A BRPI0513038 A BR PI0513038A BR PI0513038 A BRPI0513038 A BR PI0513038A
Authority
BR
Brazil
Prior art keywords
light pulse
fiber
rps
optical fiber
distance
Prior art date
Application number
BRPI0513038-7A
Other languages
English (en)
Inventor
Kari-Mikko Jooskeloinen
Original Assignee
Shell Int Research
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 Shell Int Research filed Critical Shell Int Research
Publication of BRPI0513038A publication Critical patent/BRPI0513038A/pt

Links

Classifications

    • 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
    • H04B10/2916—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 using Raman or Brillouin amplifiers
    • 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
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/30—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects
    • H01S3/302—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects in an optical fibre

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)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Lasers (AREA)

Abstract

MéTODO PARA AMPLIFICAR UM PULSO DE LUZ EM UMA FIBRA óPTICA é revelado um método para amplificar um pulso de luz (S) em uma fibra óptica (1), em que um sinal de bomba de Raman (RPS) com um comprimento de onda menor que do pulso de luz (S) é transmitido em um intervalo de tempo selecionado depois do pulso de luz (S) em uma extremidade (IA) de uma fibra óptica (1), com dispersão de maneira tal que o sinal da bomba Raman (RPS) desloque mais rápido através da fibra (11) que o pulso de luz (S), e atinja e intensifique o pulso de luz (S) depois de o pulso de luz ter se deslocado ao longo de uma distância selecionada (d~ 1~) através da fibra, em que o sinal de bomba de Raman (RPS) é alterado em rampa de uma forma substancialmente linear de maneira tal que a amplificação aumente com a distância ao longo da qual o pulso de luz se deslocou ao longo do comprimento da fibra de A~ 1~ = S~ 1~ + RPS~ min~ a uma distância d~ 1~ para A~ 2~ = S + RPS~max~ a uma distância d~ 2~ > d~ 1~ da dita extremidade (1A) da fibra 1, e de maneira tal que o aumento do ganho de Raman seja substancialmente similar às perdas da fibra do sinal amplificado. O uso de um sinal de bomba de Raman (RSP) alterado em rampa atenua a Dispersão de Brillouin Estimulada (SBS) na fibra (1) e estende a faixa operacional de um sistema de detecção de fibra óptica.
BRPI0513038-7A 2004-07-06 2005-07-06 método para amplificar um pulso de luz em uma fibra óptica BRPI0513038A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04103182 2004-07-06
PCT/EP2005/053218 WO2006003206A1 (en) 2004-07-06 2005-07-06 Light pulse amplification in long optical fibers

Publications (1)

Publication Number Publication Date
BRPI0513038A true BRPI0513038A (pt) 2008-04-22

Family

ID=34929294

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0513038-7A BRPI0513038A (pt) 2004-07-06 2005-07-06 método para amplificar um pulso de luz em uma fibra óptica

Country Status (7)

Country Link
US (1) US20070273961A1 (pt)
CN (1) CN1981412A (pt)
AU (1) AU2005259160A1 (pt)
BR (1) BRPI0513038A (pt)
CA (1) CA2571453A1 (pt)
GB (1) GB2430094A (pt)
WO (1) WO2006003206A1 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0614991D0 (en) * 2006-07-28 2006-09-06 Schlumberger Holdings Improvements to raman amplification in distributed sensors
ES2388629B1 (es) * 2009-05-22 2013-08-27 Consejo Superior De Investigaciones Científicas (Csic) Sistema para la mejora del rango dinámico y la reducción de la incertidumbre de medida en sensores distribuidos sobre fibra óptica.
CN102410887B (zh) * 2011-09-01 2013-06-19 北京航天时代光电科技有限公司 分布式光纤温度传感器系统中的受激拉曼散射补偿方法
IL254803B2 (en) 2017-09-29 2023-09-01 Prisma Photonics Ltd Distributed amplification optimized for fiber sensing
CN111162834B (zh) * 2018-11-07 2021-11-02 中国移动通信集团湖南有限公司 光时域反射仪测试方法及光时域反射仪
US11624681B2 (en) * 2020-01-16 2023-04-11 Saudi Arabian Oil Company Overcoming OTDR dead zones using a few-mode fiber
US20210318182A1 (en) * 2020-04-13 2021-10-14 Nec Laboratories America, Inc Distributed fiber optic sensing of temperature using a polarization scrambler
CN116086645B (zh) * 2023-04-10 2023-06-27 山东省科学院激光研究所 一种应用于光纤拉曼分布式系统的温度测量方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0186299B1 (en) * 1984-12-13 1990-04-18 Stc Plc Optical amplifier
JPH02281122A (ja) * 1989-04-24 1990-11-16 Nippon Telegr & Teleph Corp <Ntt> 光ファイバの波長分散分布測定装置
US5880866A (en) * 1996-11-13 1999-03-09 At&T Corp Time division demultiplexing using selective Raman amplification
US6101024A (en) * 1998-03-24 2000-08-08 Xtera Communications, Inc. Nonlinear fiber amplifiers used for a 1430-1530nm low-loss window in optical fibers
EP1302006B1 (en) * 2000-07-10 2005-12-21 MPB Technologies Inc. Cascaded pumping system for distributed raman amplification in optical fiber telecommunication systems
US6700696B2 (en) * 2000-08-09 2004-03-02 Jds Uniphase Corporation High order fiber Raman amplifiers
JP2003115799A (ja) * 2001-10-03 2003-04-18 Fujitsu Ltd 光伝送装置及び励起制御方法

Also Published As

Publication number Publication date
US20070273961A1 (en) 2007-11-29
CN1981412A (zh) 2007-06-13
WO2006003206A1 (en) 2006-01-12
AU2005259160A1 (en) 2006-01-12
CA2571453A1 (en) 2006-01-12
GB0625204D0 (en) 2007-01-24
GB2430094A (en) 2007-03-14

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 5A, 6A E 7A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2158 DE 15/05/2012.

B15K Others concerning applications: alteration of classification

Ipc: H04B 10/291 (2013.01), G01M 11/00 (2006.01), H01S