Measurement of Optical Path Difference Based on Phase Modulation of Light Source for Meter-Scale and Kilometer-Scale Optical Fiber Interferometers
It is crucial in a wide range of applications based on optical fiber interferometry to precisely Rain Jacket measure the length difference.In this article, a method of measuring the optical path difference between two arms of an optical fiber interferometer system based on the phase modulation of light source is proposed.This method enables measure