A Method for Detecting Nanometer Length Oscillations in Fiber-Optic Sensors Using a Tracking Tandem Low-Coherent Interferometer

IF 0.4 4区工程技术 Q4 ENGINEERING, MULTIDISCIPLINARY

Instruments and Experimental Techniques Pub Date : 2023-12-04 DOI:10.1134/S0020441223040061

P. V. Volkov, A. V. Goryunov, A. Yu. Luk’yanov, D. A. Semikov, A. D. Tertyshnik

引用次数: 0

Abstract

A method for detecting changes in the length of an optical cavity is proposed for fiber-optic sensors based on the Fabry–Perot interferometer scheme. The possibility of detecting oscillations of the resonator length at the subnanometer level in the frequency band 1.5–300 kHz is shown. The sensitivity was 0.3 nm in standard deviation. The proposed scheme makes it possible to reliably distinguish high-frequency oscillations against the background of slow drifts of the sensor length caused by temperature fluctuations or deformations.

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利用跟踪串联低相干干涉仪检测光纤传感器中纳米长度振荡的方法

基于法布里-珀罗干涉仪方案，为光纤传感器提出了一种检测光腔长度变化的方法。结果表明，在 1.5-300 kHz 的频段内，可以检测到亚纳米级的谐振器长度振荡。灵敏度的标准偏差为 0.3 nm。在温度波动或变形导致传感器长度缓慢漂移的背景下，所提出的方案能够可靠地分辨出高频振荡。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Instruments and Experimental Techniques 工程技术-工程：综合

CiteScore

1.20

自引率

33.30%

发文量

113

审稿时长

4-8 weeks

期刊介绍： Instruments and Experimental Techniques is an international peer reviewed journal that publishes reviews describing advanced methods for physical measurements and techniques and original articles that present techniques for physical measurements, principles of operation, design, methods of application, and analysis of the operation of physical instruments used in all fields of experimental physics and when conducting measurements using physical methods and instruments in astronomy, natural sciences, chemistry, biology, medicine, and ecology.

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