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Conferences > OECC > 2021 > W4D > W4D.3

Strain Measurement Using EDF Sigma Laser with Cascaded-Chirped Long Period Fiber Grating

Koken Fukushima, Manuel Guterres Soares, Atsushi Wada, Satoshi Tanaka, and Fumihiko Ito

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Abstract

A novel laser strain sensor based on a sigma-cavity configuration is developed, in which a double-pass cascaded-chirped long period fiber grating with a Faraday rotator mirror is employed in the sigma-branch as a strain-sensitive wavelength filter. © 2021 The Author(s)

© 2021 The Author(s)

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