Optical diffraction of second-harmonic signals in the LiBO2-Nb2O5 glasses induced by self-organized LiNbO3 crystallites | Zendy

B. Harihara Venkataraman | Zendy; N Prasad | Zendy; K. B. R. Varma | Zendy; Vincent Rodriguez | Zendy; Mario Maglione | Zendy; R. Vondermuhll | Zendy; J. Etourneau | Zendy

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Optical diffraction of second-harmonic signals in the LiBO2-Nb2O5 glasses induced by self-organized LiNbO3 crystallites

Author(s) -

B. Harihara Venkataraman,

N Prasad,

K. B. R. Varma,

Vincent Rodriguez,

Mario Maglione,

R. Vondermuhll,

J. Etourneau

Publication year - 2005

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.2037198

Subject(s) - crystallite , raman spectroscopy , diffraction , materials science , laser , second harmonic generation , x ray crystallography , infrared , optics , chemistry , mineralogy , crystallography , physics

The nanocrystallites ( ≈ 3 nm) of LiNbO3, evolved in the (100−x)LiBO2-xNb2O5 (5x20, in molar ratio) glass system exhibited intense second-harmonic signals in transmission mode when exposed to infrared (IR) light at λ = 1064 nm. The second-harmonic waves were found to undergo optical diffraction which was attributed to the presence of self-organized submicrometer-sized LiNbO3 crystallites that were grown within the glass matrix along the parallel damage fringes created by the IR laser radiation. Micro-Raman studies carried out on the laser-irradiated samples confirmed the self-organized crystallites to be LiNbO3.

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