Recent improvement of medical optical fibre pressure and temperature sensors

Poeggel, Sven; Duraibabu, Dinesh Babu; Kalli, Kyriacos; Leen, Gabriel; Dooly, Gerard; Lewis, Elfed; Kelly, JIMMY; Munroe, Maria

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Recent improvement of medical optical fibre pressure and temperature sensors

Poeggel, Sven; Duraibabu, Dinesh Babu; Kalli, Kyriacos; Leen, Gabriel; Dooly, Gerard; Lewis, Elfed; Kelly, JIMMY; Munroe, Maria

Date

2015

Abstract

This investigation describes a detailed analysis of the fabrication and testing of optical fibre pressure and temperature sensors (OFPTS). The optical sensor of this research is based on an extrinsic Fabry–Perot interferometer (EFPI) with integrated fibre Bragg grating (FBG) for simultaneous pressure and temperature measurements. The sensor is fabricated exclusively in glass and with a small diameter of 0.2 mm, making it suitable for volume-restricted bio-medical applications. Diaphragm shrinking techniques based on polishing, hydrofluoric (HF) acid and femtosecond (FS) laser micro-machining are described and analysed.

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peer-reviewed

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MDPI

Citation

Biosensors;5, pp. 432-449

Recent improvement of medical optical fibre pressure and temperature sensors

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Sustainable Development Goals

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