Sensors & Transducers Journal

    (ISSN 1726- 5479)

Vol. 83, Issue 9, September 2007, pp.1535-1540

Fabry-Perot Interferometer Performance as Temperature Sensor for Use in Electrical Power System Applications

Sanjoy Mandal

College of Engineering & Management, Kolaghat, KTPP Township

Midnapur (east), West Bengal, India, 721171

Tel.:+913228250394, fax:+913228250880

E-mail: sanjoy_cem@yahoo.com

Received: 30 August 2007   /Accepted: 17 September 2007   /Published: 24 September 2007

Abstract: Transfer function model of the loss less Fabry-Perot cavity (FPI), developed in Z-domain is presented in this paper. Frequency response analysis of the model was carried out in MATLAB environment to explain the behavior of the interferometer and its potential as temperature sensor was studied. Analysis reveals a highly sensitive temperature sensor that can be used in electrical engineering power system applications.

Keywords: Fabry-Perot interferometer, Temperature sensor, Fabry-Perot cavity

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