CHARACTERIZATION OF PHOTOREFRACTIVE KNBO3FE BY NON-STEADY-STATE PHOTOCURRENT TECHNIQUES

Autor(en): SOCHAVA, S
BUSE, K
KRATZIG, E
Stichwörter: CRYSTALS; Optics
Erscheinungsdatum: 1994
Herausgeber: ELSEVIER SCIENCE BV
Journal: OPTICS COMMUNICATIONS
Volumen: 105
Ausgabe: 5-6
Startseite: 315
Seitenende: 319
Zusammenfassung: 
Non-steady-state photocurrent measurements are carried out with a n-type photorefractive KNbO3:Fe crystal at the light wavelength 488 nm. Spatial frequency dependent measurements yield the effective trap density. From the dielectric relaxation time for different crystal orientations we deduce the mobility ratios for charge carrier migration parallel to the a-, b- and c-axis.
ISSN: 00304018
DOI: 10.1016/0030-4018(94)90402-2

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