Method for measuring distribution of zero dispersion wavelength in optical fiber and apparatus therefor

Method for measuring distribution of zero dispersion wavelength in optical fiber and apparatus therefor

In a method of measuring a distribution of zero dispersion wavelengths in an optical fiber (6) in a longitudinal direction, an optical pulse and a pump light are launched into the optical fiber (6). A gain generation portion of the optical fiber (6) which indicates that the optical pulse power is am...

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Hauptverfasser: SARUWATARI, MASATOSHI, 1-38-15, KOYABE, SUZUKI, KEN-ICHI, C-312, 9-2-12, SUGITA, IWATSUKI, KATSUMI, 203, 4-27-12, YOKODAI, NISHI, SHIGENDO, 108, 3-20, HINODEO
Format: Patent
Sprache:eng ; fre ; ger
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MEASURING
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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creator SARUWATARI, MASATOSHI, 1-38-15, KOYABE
SUZUKI, KEN-ICHI, C-312, 9-2-12, SUGITA
IWATSUKI, KATSUMI, 203, 4-27-12, YOKODAI
NISHI, SHIGENDO, 108, 3-20, HINODEO
description In a method of measuring a distribution of zero dispersion wavelengths in an optical fiber (6) in a longitudinal direction, an optical pulse and a pump light are launched into the optical fiber (6). A gain generation portion of the optical fiber (6) which indicates that the optical pulse power is amplified based on modulation instability induced by the pump light is detected from a back-scattering light waveform of the optical pulse indicative of an optical pulse power distribution in the longitudinal direction of the optical fiber. A zero dispersion wavelength of the gain generation portion of the optical fiber (6) is determined from the pump light wavelength.
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subjects MEASURING
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
title Method for measuring distribution of zero dispersion wavelength in optical fiber and apparatus therefor
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