Tianjin University

Qiliang Chu

Junfeng Jiang

Kun Liu

Tiegen Liu

Shuang Wang

Xuezhi Zhang

Renwei Xie

Jinling Yan

Chuanjun Zang

The present invention discloses a Fiber Bragg Grating demodulation device with a suppressed fluctuation at a variable ambient temperature and a demodulation method. The device comprises a broadband light source (), an optical attenuator (), a tunable F-P filter (), a first optical fiber isolator (), an erbium-doped optical fiber amplifier (), an optical fiber first-stage beam splitter (), a first optical fiber second-stage beam splitter (), optical fiber circulators (), FBG sensor arrays (), a first photoelectric detector array (), an optical fiber gas cell (), a second optical fiber second-stage beam splitter (), an optical fiber F-P etalon (), a notch filter (), an optical fiber assisted interferometer (), a data acquisition card () and a processor ().

Fiber Bragg Grating demodulation device capable of supressing fluctuations at variable ambient temperature and demodulation method thereof

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Tianjin, China

Qiliang Chu