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Optica, Optics Express, 20(15), p. 12777, 2007

DOI: 10.1364/oe.15.012777

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Near infrared photorefractive self focusing in Sn_2P_2S_6:Te crystals

Journal article published in 2007 by Cristian Dan, Delphine Wolfersberger, Nicolas Fressengeas ORCID, Germano Montemezzani, Alexander A. Grabar ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

The experimental observation of photorefractive self focusing in Sn(2)P(2)S(6) : Te bulk crystals at 1.06 mum wavelength is presented. Steady state self focusing is reached as fast as 15 ms for an input peak intensity equal to 160 W/cm(2). Self focusing is maximum for input peak intensities around 15 W/cm(2) and is decreasing for intensities below and above this value.