Photoacoustics: a nondestructive evaluation technique for thermal and optical characterisation of metal mirrors

Photoacoustics: a nondestructive evaluation technique for thermal and optical characterisation of... J Opt https://doi.org/10.1007/s12596-018-0471-0 RESEARCH ARTICLE Photoacoustics: a nondestructive evaluation technique for thermal and optical characterisation of metal mirrors 1 2 1 • • M. S. Swapna V. P. N. Nampoori S. Sankararaman Received: 1 October 2017 / Accepted: 29 May 2018 The Optical Society of India 2018 Abstract Photoacoustic technique has emerged as a Keywords Photoacoustics  Nondestructive evaluation powerful tool for nondestructive evaluation and charac- Aranmula metal mirror  Reflectivity terization. The high signal to noise ratio, sensitivity, and the least quantity of sample required make the technique suitable for wide range of applications. The intensity Introduction modulated laser beam focused on to the sample in the photoacoustic cell generates acoustic waves. Analysis of The photoacoustic (PA) effect has been proved to be a the acoustic signal enables the measurement of thermal and valuable technique for the study of optical and thermal optical properties of the material. In the present work, the properties of materials. The PA technique has emerged as a photoacoustic technique has been extended to find the powerful tool for the study of mechanical properties of thin thermal diffusivity and to demonstrate how the technique films, residual stress of metals, graphite fiber reinforced can be http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Optics Springer Journals

Photoacoustics: a nondestructive evaluation technique for thermal and optical characterisation of metal mirrors

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Publisher
Springer India
Copyright
Copyright © 2018 by The Optical Society of India
Subject
Physics; Physics, general; Optics, Lasers, Photonics, Optical Devices
ISSN
0972-8821
eISSN
0974-6900
D.O.I.
10.1007/s12596-018-0471-0
Publisher site
See Article on Publisher Site

Abstract

J Opt https://doi.org/10.1007/s12596-018-0471-0 RESEARCH ARTICLE Photoacoustics: a nondestructive evaluation technique for thermal and optical characterisation of metal mirrors 1 2 1 • • M. S. Swapna V. P. N. Nampoori S. Sankararaman Received: 1 October 2017 / Accepted: 29 May 2018 The Optical Society of India 2018 Abstract Photoacoustic technique has emerged as a Keywords Photoacoustics  Nondestructive evaluation powerful tool for nondestructive evaluation and charac- Aranmula metal mirror  Reflectivity terization. The high signal to noise ratio, sensitivity, and the least quantity of sample required make the technique suitable for wide range of applications. The intensity Introduction modulated laser beam focused on to the sample in the photoacoustic cell generates acoustic waves. Analysis of The photoacoustic (PA) effect has been proved to be a the acoustic signal enables the measurement of thermal and valuable technique for the study of optical and thermal optical properties of the material. In the present work, the properties of materials. The PA technique has emerged as a photoacoustic technique has been extended to find the powerful tool for the study of mechanical properties of thin thermal diffusivity and to demonstrate how the technique films, residual stress of metals, graphite fiber reinforced can be

Journal

Journal of OpticsSpringer Journals

Published: Jun 5, 2018

References

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