Photoinduced reflectivity oscillation in LiNbO{sub 3} crystals irradiated by a KrF laser

Journal Article · Mon Sep 11 00:00:00 EDT 2006 · Applied Physics Letters

DOI:https://doi.org/10.1063/1.2354307· OSTI ID:20883232

Bentini, G G; Bianconi, M; Cerutti, A; Chiarini, M; Pennestri, G; Argiolas, N; Bazzan, M; Mazzoldi, P; Sada, C ^[1]

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1. CNR-IMM-Sezione di Bologna, via Gobetti 101, 40129 Bologna (Italy)

A study on LiNbO{sub 3} crystal irradiation by pulsed KrF excimer laser beam is presented. The interaction with the 248 nm laser light modifies the material properties so that, when the irradiation is switched off, a time-periodic variation in the material reflectivity, depending on the irradiation conditions, was observed. This phenomenon can be explained in terms of the electro-optic effect induced by the buildup of internal electric fields since the compositional characterization, performed by the secondary ion mass spectrometry, showed no modification in the element concentration and the high resolution x-ray diffraction did not detect any structural deformation within the crystal.

• OSTI ID: 20883232
• Journal Information: Applied Physics Letters, Vol. 89, Issue 11; Other Information: DOI: 10.1063/1.2354307; (c) 2006 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6951
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
CRYSTALS
ELECTRIC FIELDS
ELECTRO-OPTICAL EFFECTS
KRYPTON FLUORIDE LASERS
LITHIUM COMPOUNDS
MASS SPECTRA
MASS SPECTROSCOPY
NIOBATES
OSCILLATIONS
REFLECTIVITY
ULTRAVIOLET RADIATION
X-RAY DIFFRACTION