Miniature low-cost extrinsic Fabry-Perot interferometer for low-pressure detection

被引：1
|
作者：
Poeggel, Sven [1 ]
Tosi, Daniele [1 ]
Leen, Gabriel [1 ]
Lewis, Elfed [1 ]
机构：
[1] Univ Limerick, Opt Fibre Sensors Res Ctr, Limerick, Ireland
来源：
OPTICAL MEASUREMENT SYSTEMS FOR INDUSTRIAL INSPECTION VIII | 2013年 / 8788卷
关键词：
Fiber optic pressure sensor (FOPS); Fiber optic sensor (FOS); Fabry-Perot interferometry (FPI); Extrinsic Fabry-Perot Interferometer (EFPI); Pressure transducer; Medical pressure sensor; OPTICAL-FIBER; PARTIAL DISCHARGES; BRAGG GRATINGS; SENSOR;
D O I：
10.1117/12.2019799
中图分类号：
TH742 [显微镜];
学科分类号：
摘要：
A miniature optical fiber pressure sensor based on extrinsic Fabry-Perot interferometer (EFPI) is presented. The sensing probe has 0.2 mm outer diameter, and is based on an all-silica biocompatible structure, with a pressure sensitivity >1 nm/kPa. The probe is complemented by a fiber Bragg grating (FBG), in proximity of the EFPI tip, for temperature compensation. Interrogation is based on a low-cost white-light setup, whereas several pressure detection algorithms have been developed. Preliminary experimental validation and medical applications are discussed.
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页数：9
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