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Published on: April 16, 2017
Experimental study of thermal lens features in laser ceramics
Alexander Soloviev1, Ilya Snetkov, Victor Zelenogorsky
1The Institute of Applied Physics, Russian Academy of Sciences, 46 Ul'yanov Street, 603950, Nizhny Novgorod, Russia. solo@appl.sci-nnov.ru
Abstract:
Thermal lens measurements were made by means of a high-accuracy phase shift interferometer that combines a lambda/1000 sensitivity and 10 microm transverse resolution. The effect of random small-scale modulation in thermally induced phase distortion predicted earlier was proved experimentally. The statistical parameters of modulation were measured depending on heating power for two different ceramic samples. The experimental data agree well with results of numerical simulation.
