C5.2 Application of Microwave based Electrical Read-Out of Fiber Bragg Gratings in Thermometry

Event
SMSI 2020
-
(did not take place because of Covid-19 virus pandemic)
Band
SMSI 2020 - Sensors and Instrumentation
Chapter
C5 Thermometry and Thermal Imaging
Author(s)
U. Nordmeyer, N. Neumann, X. Wang, D. Plettemeier - TU Dresden, Dresden (Germany), T. Thiel - AOS GmbH, Dresden (Germany), K. Kojucharow - KMDC, Dresden (Germany)
Pages
181 - 182
DOI
10.5162/SMSI2020/C5.2
ISBN
978-3-9819376-2-6
Price
free

Abstract

The evaluation of optical fiber sensors is conventionally carried out optically by analyzing the ampli-tude of the transmitted or the reflected light. A novel approach in the form of an electrical read-out was proposed in a former contribution [1]. The underlying concept is to interrogate the optical sensor with an RF modulated laser and carry out a full electrical analysis of the resulting RF signal. The applicabil-ity of this electrical read-out method for temperature measurements is investigated in this paper.

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