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Proceedings Paper

Overall technique for estimation of optical material absorption coefficients
Author(s): Galyna A. Petrovska; Igor V. Demkovych; Yaroslav V. Bobitski; Mary M. Togan; Ruslana I. Pashkevych
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Paper Abstract

The technique for high precision measurement of optical absorption and adsorption is proposed. The technique is based on the laser interferometric calorimetry method. The mathematical model for estimation of thermal fields which occur in the sample at partial absorption of high-power laser radiation is elaborated. The model considers influence of volumetric and superficial optical absorption coefficients. Sensitivity of measurement technique of absorption coefficients for optically transparent materials is (10-3 divided by 10-7) cm-1. The results of experimental tests of optical material for visible spectrum are shown.

Paper Details

Date Published: 12 June 2001
PDF: 9 pages
Proc. SPIE 4425, Selected Papers from the International Conference on Optoelectronic Information Technologies, (12 June 2001); doi: 10.1117/12.429775
Show Author Affiliations
Galyna A. Petrovska, Lviv Polytechnic State Univ. (Ukraine)
Igor V. Demkovych, Lviv Polytechnic State Univ. (Ukraine)
Yaroslav V. Bobitski, Lviv Polytechnic State Univ. (Ukraine)
Mary M. Togan, Lviv Polytechnic State Univ. (Ukraine)
Ruslana I. Pashkevych, Lviv Polytechnic State Univ. (Ukraine)

Published in SPIE Proceedings Vol. 4425:
Selected Papers from the International Conference on Optoelectronic Information Technologies
Sergey V. Svechnikov; Volodymyr P. Kojemiako; Sergey A. Kostyukevych, Editor(s)

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