Abstract

In this article, an improved polarization interference method is proposed for fiber birefringence measurement. This method uses two different lengths of a birefringence fiber with their birefringent axes orthogonally coupled to compensate the phase difference and achieve the required pitch in interferogram for determining birefringence accurately. Experiments and analysis demonstrate that the method could offer improved accuracy and expanded range in birefringence measurement with relatively low spectral resolution systems.

High Frequency Polarization Modulation Method for Measuring Birefringence

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Measurement of birefringence and ellipticity of polarization eigenmodes in spun highly birefringent fibers using spectral interferometry and lateral point-force method

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High-velocity measurement method in dual-frequency laser interference tracker based on beam expander and acousto-optic modulator

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Opt. Express 31(15) 24230-24242 (2023)

Method for improving the resolution and accuracy against birefringence dispersion in distributed polarization cross-talk measurements

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Accurate method for measuring the thermal coefficient of group birefringence of polarization-maintaining fibers

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