Electric-field enhancement of beam coupling in Sn2P2S6
| Autor(en): | Shumelyuk, A Odoulov, S Kip, D Kratzig, E |
Stichwörter: | Optics; Physics; Physics, Applied | Erscheinungsdatum: | 2001 | Herausgeber: | SPRINGER-VERLAG | Journal: | APPLIED PHYSICS B-LASERS AND OPTICS | Volumen: | 72 | Ausgabe: | 6 | Startseite: | 707 | Seitenende: | 710 | Zusammenfassung: | The influence of an external field on photorefractive recording in Sn2P2S6 (SPS) crystals is studied. A large gain factor of more then 15 cm(-1) is achieved for a grating spacing of 12 mum at lambda = 0.9 mum. For an applied field exceeding /-200 V/cm a switching of the beam coupling direction is detected, exhibiting a pronounced hysteresis. |
ISSN: | 09462171 | DOI: | 10.1007/s003400100556 |
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