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Conferences > OFS > 2022 > Th4 > Th4.1

EDF Laser-Based Strain Sensor Using Cascaded-Chirped Long-Period Fiber Grating in Sigma-Type Laser Cavity

Koken Fukushima, Makoto Okano, Atsushi Wada, Satoshi Tanaka, and Fumihiko Ito

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Abstract

An EDF-sigma laser for a strain sensor is devised using a double-pass cascaded-chirped LPG with a polarization compensation effect. In the experiment, the stable measurements and sensor operations with suppression of polarization-induced fluctuations are demonstrated.

© 2022 The Author(s)

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