Fixed index gratings in LiNbO3 : Fe upon long-term exposure to an intense laser beam

Autor(en): Dieckmann, Volker
Selinger, Andreas
Imlau, Mirco 
Goulkov, Mikhail
Stichwörter: CHARGE-TRANSPORT; CRYSTALS; LITHIUM-NIOBATE; Optics; SCATTERING; TEMPERATURE
Erscheinungsdatum: 2007
Herausgeber: OPTICAL SOC AMER
Journal: OPTICS LETTERS
Volumen: 32
Ausgabe: 24
Startseite: 3510
Seitenende: 3512
Zusammenfassung: 
Permanently fixed noisily recorded refractive index gratings are discovered in single crystals of LiNbO3: Fe upon long-term exposure to a single laser beam with high intensities of I= 100 kW/m(2) and ambient temperature. The fixing process is explained by considering the effect of laser-induced heating of the sample and the well-known simultaneous thermal fixing procedure. (c) 2007 Optical Society of America.
ISSN: 01469592
DOI: 10.1364/OL.32.003510

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