DARK BUILDUP OF HOLOGRAMS IN BATIO3 AFTER RECORDING

Autor(en): BUSE, K
FREJLICH, J
KUPER, G
KRATZIG, E
Stichwörter: ABSORPTION; BARIUM-TITANATE; DECAY; Materials Science; Materials Science, Multidisciplinary; NIOBATE; PHOTOREFRACTIVE GRATINGS; Physics; Physics, Applied
Erscheinungsdatum: 1993
Herausgeber: SPRINGER VERLAG
Journal: APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
Volumen: 57
Ausgabe: 5
Startseite: 437
Seitenende: 440
Zusammenfassung: 
Holograms recorded under suitable conditions in photorefractive BaTiO3 exhibit an unusual dark build-up. The diffraction efficiency increases by some orders of magnitude after the recording beams are switched off, and then steadily decreases afterwards. An interpretation of this effect in terms of a two-center charge transport model is given.
ISSN: 09478396
DOI: 10.1007/BF00331783

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