Photorefractive beam coupling in tin hypothiodiphosphate in the near infrared

Autor(en): Odoulov, SG
Shumelyuk, AN
Hellwig, U
Rupp, RA
Grabar, AA
Stichwörter: Optics; SN2P2S6
Erscheinungsdatum: 1996
Herausgeber: OPTICAL SOC AMER
Journal: OPTICS LETTERS
Volumen: 21
Ausgabe: 10
Startseite: 752
Seitenende: 754
Zusammenfassung: 
Infrared recording of phase gratings is investigated in Sn2P2S6 crystals by radiation of a Nd3+:YAG laser (lambda = 1.06 mu m). Space-charge formation and hologram recording are dominated by diffusion charge transport. Without an applied electric field, but with preexposure of the sample to incoherent white light, the gain factor exceeds 6 cm(-1) at laser intensities above 50 W/cm(2). (C) 1996 Optical Society of America
ISSN: 01469592
DOI: 10.1364/OL.21.000752

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