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Proceedings Paper

Fabrication of crystalline β-BaB2O4 thin films for nonlinear optical applications by liquid phase epitaxy
Author(s): Junfang Liu; Guoqing Zhou; Xiaoming He; Jun Xu; Liejia Qian
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Paper Abstract

Thin films of beta barium borate (β-BBO) have been prepared by liquid phase epitaxy on Sr2+-doped α-BBO (001) substrates. The thin films were characterized by X-ray diffraction and X-ray rocking curve. The results of X-ray diffraction indicate that the films show highly (00l) preferred orientation on (001)-oriented substrates. The full width at half-maximum of the rocking curve for the film is as low as 676.6 arcsec, which shows the high crystallinity of the thin film. The absorption edge of β-BBO on Sr2+-doped α-BBO substrate is 190 nm. The films show second harmonic generation of 400 nm light upon irradiation with 800 nm Ti: Sapphire femtosecond laser light. These results reveal the possibility of fabricating β-BBO (001) films on (001)-oriented Sr2+-doped α-BBO substrates by LPE.

Paper Details

Date Published: 12 January 2005
PDF: 4 pages
Proc. SPIE 5632, Light-Emitting Diode Materials and Devices, (12 January 2005); doi: 10.1117/12.573465
Show Author Affiliations
Junfang Liu, Shanghai Institute of Optics and Fine Mechanics, CAS (China)
Guoqing Zhou, Shanghai Institute of Optics and Fine Mechanics, CAS (China)
Xiaoming He, Shanghai Institute of Optics and Fine Mechanics, CAS (China)
Jun Xu, Shanghai Institute of Optics and Fine Mechanics, CAS (China)
Liejia Qian, Fudan Univ. (China)

Published in SPIE Proceedings Vol. 5632:
Light-Emitting Diode Materials and Devices
Gang Yu; Chuangtian Chen; Changhee Lee, Editor(s)

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