Temperature-Robust All-Fiber Demodulation of Optical Current Sensor Using Long-Period Grating on Birefringent Photonic Crystal Fiber

By incorporating a long-period fiber grating (LPFG) inscribed on birefringent photonic crystal fiber (BPCF) with a CO2 laser as a polarization analyzer, we demonstrate temperature-robust all-fiber demodulation of an optical fiber current sensor based on Faraday rotation. The LPFG written on BPCF, re...

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