High sensitivity sensors based on open cavity in-fiber Fabry–Perot and Mach–Zehnder interferometers

Gu, X., Huang, J., Li, L., Ma, Q., Ma, Y., Sun, J., Wei, F., Yu, F.

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For Russian citation (Opticheskii Zhurnal):

Qian Ma, Lijun Li, Fengjuan Wei, Jianhong Sun, Fei Yu, Jiahui Huang, Xingchen Gu, Yanhua Ma High sensitivity sensors based on open cavity in-fiber Fabry–Perot and Mach–Zehnder interferometers (Высокочувствительные волоконные датчики на основе встроенных интерферометров Маха–Цендера и Фабри–Перо) [на англ. яз.] // Оптический журнал. 2021. Т. 88. № 1. С. 53–59. http://doi.org/10.17586/1023-5086-2021-88-01-53-59

Qian Ma, Lijun Li, Fengjuan Wei, Jianhong Sun, Fei Yu, Jiahui Huang, Xingchen Gu, Yanhua Ma High sensitivity sensors based on open cavity in-fiber Fabry–Perot and Mach–Zehnder interferometers (Высокочувствительные волоконные датчики на основе встроенных интерферометров Маха–Цендера и Фабри–Перо) [in English] // Opticheskii Zhurnal. 2021. V. 88. № 1. P. 53–59. http://doi.org/10.17586/1023-5086-2021-88-01-53-59

For citation (Journal of Optical Technology):

Qian Ma, Lijun Li, Fengjuan Wei, Jianhong Sun, Fei Yu, Jiahui Huang, Xingchen Gu, and Yanhua Ma, "High sensitivity sensors based on open cavity in-fiber Fabry–Perot and Mach–Zehnder interferometers," Journal of Optical Technology. 88(1), 37-41 (2021). https://doi.org/10.1364/JOT.88.000037

Abstract:

Two open cavity in-fiber Fabry–Perot and Mach–Zehnder interferometers are fabricated and their liquid refractive index and temperature sensing characteristics are comparative studied, respectively. In our experiments, for Fabry–Perot interferometric sensor, its dip wavelength versus refractive index and temperature sensitivity is 50.001 nm/RIU (refractive index unit) from 1.3351 to 1.3737 refractive index range and 0.016 nm/deg respectively. For Mach–Zehnder with Fabry–Perot cavity sensor, its dip wavelength versus refractive index and temperature sensitivity is 587.089 nm/RIU at 1.3331–1.3415 refractive index range, –647.755 nm/RIU at 1.3415–1.3737 refractive index range, and 0.032 nm/deg respectively.

Keywords:

interferometer, liquid refractive index, temperature sensor

OCIS codes: 230.2285, 220.4000, 230.3390

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