Open Access
Open access
Photonics, volume 11, issue 8, pages 712

Microscopic Temperature Sensor Based on End-Face Fiber-Optic Fabry–Perot Interferometer

Publication typeJournal Article
Publication date2024-07-30
Journal: Photonics
scimago Q2
wos Q2
SJR0.457
CiteScore2.6
Impact factor2.1
ISSN23046732
Abstract

This work proposes a simple and affordable technology for the manufacturing of a miniature end-face fiber-optic temperature sensor based on a Fabry–Perot interferometer formed from a transparent UV-curable resin. For the manufactured working prototype of the sensor, the sensitivity and operating temperature range were determined, and the methods for their enhancement were proposed. Due to its small size, the proposed type of sensor can be used in high-precision and minimally invasive temperature measurements, in biology for microscale sample monitoring, and in medicine during operations using high-power lasers. A microwave photonic method is proposed that enables the interrogation of the sensor without using an optical spectrum analyzer.

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