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We proposed a novel, miniature and ultrasensitive fiber-optic thermometer based on an air-micro-bubble drifted in a liquid-core-fiber Fabry-Pérot-interferometer. The proposed sensor has an ultrahigh sensitive and linear spectral response with −9.0 nm/°C in temperature measurement.
We propose two kinds of probe typed, microcavity fiber Fabry-Pérot interferometers (MCFFPIs) for high temperature measurement (HTM). Experimental results show high stable sensing properties with linear spectral responses of the MCFFPIs for the HTM.
This letter, for the first time, investigates a novel, and ultracompact air-gap fiber Fabry–Pérot interferometer (AG-FFPI), which is based on a polymer-filled hollow core fiber (HCF) endface. The proposed polymer-filled AG-FFPI has advantages of easy fabrication, high temperature sensitivity, low cost, and arbitrary length of air-gap. The variation of the Fabry–Pérot cavity length can be greatly enhanced...
We report an improved configuration for fiber ring laser by using a broadband fiber mirror as reflective fiber component. The threshold power, lasing power, SMSR, and slope efficiency are improved as compare to conventional ones.
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