Abstract

According to the principle of optical coherence domain polarimetry (OCDP) technique, the use of a ghost-peak-free white light interferometer is introduced for performance controlling of fiber optic gyroscope (FOG) fiber coils, including raw polarization maintaining fiber (PMF) quality inspection, PMF coil winding process design, coil winding machine performance evaluation and PMF coil temperature induced stress measurement. One can see from measuring result, OCDP testing at all of these stages does provide a very powerful distributed tool for improving the performance of fiber coils.

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