High‐temperature Fabry–Perot interferometer based on mode analysis | Zendy

Zhao Na | Zendy; Lin Qijing | Zendy; Jiang Weile | Zendy; Jiang Zhuangde | Zendy; Wu Zirong | Zendy; Tian Bian | Zendy; Zhang Zhongkai | Zendy

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High‐temperature Fabry–Perot interferometer based on mode analysis

Author(s) -

Zhao Na,

Lin Qijing,

Jiang Weile,

Jiang Zhuangde,

Wu Zirong,

Tian Bian,

Zhang Zhongkai

Publication year - 2018

Publication title -

micro and nano letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.25

H-Index - 31

ISSN - 1750-0443

DOI - 10.1049/mnl.2017.0415

Subject(s) - fabry–pérot interferometer , interferometry , materials science , optics , mode (computer interface) , optoelectronics , physics , computer science , wavelength , operating system

An optical fibre Fabry–Perot interferometer (FPI) is proposed and experimentally demonstrated in this work. In the fast Fourier transform spectrum of the FPI transmission spectrum, a higher order model is separated from the transmission spectrum and the spatial frequency spectrum of the higher order model is detected. As the temperature changes, the shifts of the spatial frequency spectrum will be observed. The sensitivity of the temperature is 0.128 µm −1 K −1 . The proposed sensor features the advantages of easy fabrication, compact structure and stable chemical property, and exhibits great potential in high‐temperature measurement.

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