PHOTOREFRACTIVE EFFECTS IN LINBO3-FE,ME AT HIGH LIGHT INTENSITIES

Autor(en): SIMON, M
JERMANN, F
KRATZIG, E
Stichwörter: CHARGE-TRANSPORT; LINBO3FE; Materials Science; Materials Science, Multidisciplinary; Optics
Erscheinungsdatum: 1995
Herausgeber: ELSEVIER SCIENCE BV
Journal: OPTICAL MATERIALS
Volumen: 4
Ausgabe: 2-3
Startseite: 286
Seitenende: 289
Zusammenfassung: 
In LiNbO3:Fe,Me (Me = K, Mg, Zn) holograms are recorded and erased with frequency-doubled pulses of a Q-switched Nd:YAG laser. At high light intensities contributions of higher order to the holographic quantities appear. Effects are diminished by increasing the lithium content of the crystals or by doping with magnesium or zinc. All results can be described by a two-center model, which is the Fe-2+/3+ model supplemented by shallow traps, namely niobium ions occupying lithium sites.
Beschreibung: 
Symposium on Photorefractive Materials, at the E-MRS 1994 Spring Meeting, STRASBOURG, FRANCE, MAY 24-26, 1994
ISSN: 09253467
DOI: 10.1016/0925-3467(94)00074-3

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