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Near infrared photorefractive self focusing in Sn2P2S6:Te crystals

Abstract : The experimental observation of photorefractive self focusing in Sn2P2S6 : Te bulk crystals at 1.06 mm wavelength is presented. Steady state self focusing is reached as fast as 15 ms for an input peak intensity equal to 160 W/cm2. Self focusing is maximum for input peak intensities around 15 W/cm2 and is decreasing for intensities below and above this value.
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Contributor : Cristian Dan <>
Submitted on : Friday, August 31, 2007 - 9:48:40 AM
Last modification on : Tuesday, October 6, 2020 - 4:30:48 PM

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Cristian Dan, Delphine Wolfersberger, Nicolas Fressengeas, Germano Montemezzani, Alexander Grabar. Near infrared photorefractive self focusing in Sn2P2S6:Te crystals. Optics Express, Optical Society of America - OSA Publishing, 2007, 15 (20), pp.12777-12782. ⟨10.1364/OE.15.012777⟩. ⟨hal-00168980⟩



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