DYNAMICS OF LIGHT-INDUCED ABSORPTION IN BATIO3 AND APPLICATION FOR INTENSITY STABILIZATION

Autor(en): BUSE, K
BIERWIRTH, T
Stichwörter: CRYSTALS; DEPENDENT ABSORPTION; Optics; PHOTOCONDUCTIVITY; PHOTOINDUCED ABSORPTION; PHOTOREFRACTIVE BARIUM-TITANATE
Erscheinungsdatum: 1995
Herausgeber: OPTICAL SOC AMER
Journal: JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
Volumen: 12
Ausgabe: 4
Startseite: 629
Seitenende: 637
Zusammenfassung: 
Illumination of a photorefractive BaTiO3 crystal provides an induced absorption increase, which is explained by the two-center charge transport model. Detailed investigations of buildup and decay of light-induced absorption are performed. Intensity changes of the incoming wave are attenuated by these absorption changes. The requirements for distinct intensity stabilization are theoretically estimated. Intensity stabilization is experimentally demonstrated, and a decrease of the intensity fluctuations of as much as 30% has been achieved.
ISSN: 07403224
DOI: 10.1364/JOSAB.12.000629

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