Dual transverse fiber tip Fabry-Perot cavities for simultaneous measurements of pressure and temperature

Zhang, Shuo; Wu, Xun; He, Haijie; Yu, Zhangwei; Chen, Wei; Li, Nan; Forsberg, Erik; Wu, Shengnan; He, Sailing

doi:10.1016/j.yofte.2024.103666

Optical Fiber Technology

2024

DOI: 10.1016/j.yofte.2024.103666

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Dual transverse fiber tip Fabry-Perot cavities for simultaneous measurements of pressure and temperature

Shuo Zhang,

Xun Wu,

Haijie He

et al.

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Highly sensitive low-temperature, low-pressure ultra-thin microbubble FPI sensors

Zhuo,

Ishfaq,

Yao

et al. 2024

Opt. Express

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We present an ultrathin microbubble Fabry-Perot interferometer (FPI) sensor designed for low-pressure and low-temperature sensing applications. The preparation of the ultrathin microbubbles was achieved through an improved arc discharge technique. Consequently, a pressure sensitivity of 63 pm/kPa and a temperature sensitivity of 220 pm/°C at room temperature (20°C) and low air pressure (110–200 kPa) were attained, a performance that is highly commendable for a sensor of its kind. Furthermore, the use of a Bragg grating was employed to eliminate the effect of temperature on pressure, thereby enhancing the accuracy of the measured pressure. Experimental findings indicate that this ultrathin microbubble FPI sensor exhibits ultra-high sensitivity to pressure and temperature at low temperatures and pressures, offering what we believe to be a novel solution for the measurement of low temperatures and low-pressure environments.

show abstract

Highly sensitive low-temperature, low-pressure ultra-thin microbubble FPI sensors

Zhuo,

Ishfaq,

Yao

et al. 2024

Opt. Express

View full text Add to dashboard Cite

show abstract

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Dual transverse fiber tip Fabry-Perot cavities for simultaneous measurements of pressure and temperature

Cited by 1 publication

References 34 publications

Highly sensitive low-temperature, low-pressure ultra-thin microbubble FPI sensors

Highly sensitive low-temperature, low-pressure ultra-thin microbubble FPI sensors

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