INSTRUMENT FOR MEASURING RESIDUAL STRESS OF OPTICAL FIBER
PROBLEM TO BE SOLVED: To measure a residual stress of an optical fiber having a circular asymmetric stress distribution. SOLUTION: This instrument for measuring the residual stress of the optical fiber is constituted of a light source for generating light for measuring the residual stress of the opt...
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creator | RO SUNG-IN KIN GENTETSU PARK YONG-WOO |
description | PROBLEM TO BE SOLVED: To measure a residual stress of an optical fiber having a circular asymmetric stress distribution. SOLUTION: This instrument for measuring the residual stress of the optical fiber is constituted of a light source for generating light for measuring the residual stress of the optical fiber, a lens system for transforming the generated light into a plane wave, a polarization system for transforming the light transformed into the plane wave into a desired input polarization to be made incident into the optical fiber, a rotary type measuring part for rotating the optical fiber to transmit the polarized light to various directions of the optical fiber, and a detection system for detecting the residual stress having the circular asymmetric stress distribution of the optical fiber, based on a phase change of the light transmitted through the optical fiber. A residual stress distribution of the optical fiber having the circular asymmetric stress distribution, and a level thereof are measured accurately thereby since the residual stress is measured while rotating the optical fiber. COPYRIGHT: (C)2004,JPO |
format | Patent |
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SOLUTION: This instrument for measuring the residual stress of the optical fiber is constituted of a light source for generating light for measuring the residual stress of the optical fiber, a lens system for transforming the generated light into a plane wave, a polarization system for transforming the light transformed into the plane wave into a desired input polarization to be made incident into the optical fiber, a rotary type measuring part for rotating the optical fiber to transmit the polarized light to various directions of the optical fiber, and a detection system for detecting the residual stress having the circular asymmetric stress distribution of the optical fiber, based on a phase change of the light transmitted through the optical fiber. A residual stress distribution of the optical fiber having the circular asymmetric stress distribution, and a level thereof are measured accurately thereby since the residual stress is measured while rotating the optical fiber. 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SOLUTION: This instrument for measuring the residual stress of the optical fiber is constituted of a light source for generating light for measuring the residual stress of the optical fiber, a lens system for transforming the generated light into a plane wave, a polarization system for transforming the light transformed into the plane wave into a desired input polarization to be made incident into the optical fiber, a rotary type measuring part for rotating the optical fiber to transmit the polarized light to various directions of the optical fiber, and a detection system for detecting the residual stress having the circular asymmetric stress distribution of the optical fiber, based on a phase change of the light transmitted through the optical fiber. A residual stress distribution of the optical fiber having the circular asymmetric stress distribution, and a level thereof are measured accurately thereby since the residual stress is measured while rotating the optical fiber. 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SOLUTION: This instrument for measuring the residual stress of the optical fiber is constituted of a light source for generating light for measuring the residual stress of the optical fiber, a lens system for transforming the generated light into a plane wave, a polarization system for transforming the light transformed into the plane wave into a desired input polarization to be made incident into the optical fiber, a rotary type measuring part for rotating the optical fiber to transmit the polarized light to various directions of the optical fiber, and a detection system for detecting the residual stress having the circular asymmetric stress distribution of the optical fiber, based on a phase change of the light transmitted through the optical fiber. A residual stress distribution of the optical fiber having the circular asymmetric stress distribution, and a level thereof are measured accurately thereby since the residual stress is measured while rotating the optical fiber. COPYRIGHT: (C)2004,JPO</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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subjects | COLORIMETRY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS RADIATION PYROMETRY TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR |
title | INSTRUMENT FOR MEASURING RESIDUAL STRESS OF OPTICAL FIBER |
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