A dual-parameter fiber optic sensor based on FP-WGM composite microcavities

IF 2.6 3区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Optical Fiber Technology Pub Date : 2025-01-09 DOI:10.1016/j.yofte.2024.104002

Jun Liu , Lu Cai , Xu-wen Xie , Zhi-wei Zhang , Fu-cheng Xiang

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引用次数: 0

Abstract

A composite fiber sensor integrating double Fabry-Perot interferometers (FPIs) and a whispering gallery mode (WGM) resonator was fabricated to simultaneously measure temperature and concentration. The microsphere resonator is a compact, composite all-fiber optic sensor manufactured by processing hollow core fiber (HCF) and single mode fiber (SMF). Rather than merely connecting FPI and WGM in series, the sensor exploits dual-FP interference and WGM resonance within the same microsphere cavity, which can simultaneously measure temperature and concentration while mitigating temperature-induced crosstalk in liquid concentration detection, offering a valuable platform for precise concentration measurement. Experimental results demonstrate that the composite sensor possesses a temperature sensitivity of 12.58 pm/°C and a concentration sensitivity of 75.70 pm/% with good linearity. The sensor boasts advantages including simple fabrication, low cost, compact size, and excellent stability, rendering it highly beneficial for diverse practical applications, notably in concentration measurements.

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来源期刊

Optical Fiber Technology 工程技术-电信学

CiteScore

4.80

自引率

11.10%

发文量

327

审稿时长

63 days

期刊介绍： Innovations in optical fiber technology are revolutionizing world communications. Newly developed fiber amplifiers allow for direct transmission of high-speed signals over transcontinental distances without the need for electronic regeneration. Optical fibers find new applications in data processing. The impact of fiber materials, devices, and systems on communications in the coming decades will create an abundance of primary literature and the need for up-to-date reviews. Optical Fiber Technology: Materials, Devices, and Systems is a new cutting-edge journal designed to fill a need in this rapidly evolving field for speedy publication of regular length papers. Both theoretical and experimental papers on fiber materials, devices, and system performance evaluation and measurements are eligible, with emphasis on practical applications.