Thermal wave interferometry of gas-liquid using optical fibre thermal wave resonator cavity

Zakaria, Azmi and Noroozi, Monir and Sulaiman, Zainal Abidin and Wahab, Z.A. and Moksin, Mohd. Maarof (2010) Thermal wave interferometry of gas-liquid using optical fibre thermal wave resonator cavity. Journal of Physics: Conference Series, 214 . 012066. ISSN 1742-6588

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Abstract

The optical fibre thermal wave resonator cavity (OF-TWRC) technique was used to measure thermal diffusivity of a two-layer sample; air-liquid. The thermal waves were generated by transmitting the modulated laser beam through one end of optical fibre and illuminating the other fibre end surface that metalised with silver paint. The cavity length scan was done by moving the fibre end surface towards the pyroelectric detector continuously through air and then into the liquid. A good linear relationship of pyroelectric amplitude with respect to cavity length was obtained in thermally thick region in both media; air and liquid. The thermal diffusivity of air, glycerol and water obtained were closed to the literature values.

Item Type:Article
Keyword:Thermal wave; Fibre optics; Thermal diffusivity.
Subject:Fiber optics.
Subject:Thermal diffusivity.
Faculty or Institute:Faculty of Science
Publisher:Institute of Physics
DOI Number:10.1088/1742-6596/214/1/012066
Altmetrics:http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1088/1742-6596/214/1/012066
ID Code:17399
Deposited By: Najwani Amir Sariffudin
Deposited On:14 May 2012 08:23
Last Modified:14 May 2012 08:23

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