Simultaneous measurement of pressure and temperature by employing Fabry-Perot interferometer based on pendant polymer droplet | Zendy

Bing Sun | Zendy; Yiping Wang | Zendy; Junle Qu | Zendy; Changrui Liao | Zendy; Guolu Yin | Zendy; Jun He | Zendy; Jiangtao Zhou | Zendy; Jian Tang | Zendy; Shen Liu | Zendy; Zhengyong Li | Zendy; Yingjie Liu | Zendy

Open Access

Simultaneous measurement of pressure and temperature by employing Fabry-Perot interferometer based on pendant polymer droplet

Author(s) -

Bing Sun,

Yiping Wang,

Junle Qu,

Changrui Liao,

Guolu Yin,

Jun He,

Jiangtao Zhou,

Jian Tang,

Shen Liu,

Zhengyong Li,

Yingjie Liu

Publication year - 2015

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.23.001906

Subject(s) - fabry–pérot interferometer , interferometry , optics , materials science , fusion splicing , interference (communication) , sensitivity (control systems) , wavelength , optical fiber , optoelectronics , physics , channel (broadcasting) , electrical engineering , electronic engineering , engineering

We investigated a novel and ultracompact polymer-capped Fabry-Perot interferometer, which is based on a polymer capped on the endface of a single mode fiber (SMF). The proposed Fabry-Perot interferometer has advantages of easy fabrication, low cost, and high sensitivity. The variation of the Fabry-Perot cavity length can be easily controlled by using the motors of a normal arc fusion splicer. Moreover, the enhanced mechanical strength of the Fabry-Perot interferometer makes it suitable for high sensitivity pressure and temperature sensing in harsh environments. The proposed interferometer exhibits a wavelength shift of the interference fringes that corresponds to a temperature sensitivity of 249 pm/°C and a pressure sensitivity of 1130 pm/MPa, respectively, around the wavelength of 1560 nm.

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