LIGHT-INDUCED CHARGE-TRANSPORT IN LINBO3FE AT HIGH LIGHT INTENSITIES

Autor(en): JERMANN, F
OTTEN, J
Stichwörter: ABSORPTION; CRYSTALS; DOPED LINBO3; LITHIUM-NIOBATE; Optics; PHOTOCONDUCTIVITY; PULSES
Erscheinungsdatum: 1993
Herausgeber: OPTICAL SOC AMER
Journal: JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
Volumen: 10
Ausgabe: 11
Startseite: 2085
Seitenende: 2092
Zusammenfassung: 
In LiNbO3 at light intensities above 10(6) W/m2 much stronger refractive index changes can be induced, as expected from measurements at low intensities. Most experimental data have been published on iron-doped LiNbO3 crystals. We propose a two-center charge-transport model for LiNbO3:Fe that describes most results at low and high intensities quantitatively. It explains the intensity dependence of steady-state refractive index changes and enhanced holographic sensitivities at high light intensities as well as the presence of light-induced absorption changes.
ISSN: 07403224
DOI: 10.1364/JOSAB.10.002085

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