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Proceedings Paper

Preparation and second-harmonic generation of grain-oriented transparent BaO-B2O3 glass ceramics
Author(s): Qinyuan Zhang; Yonghua Zhao; Zhonghong Jiang
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Paper Abstract

Optically transparent 50BaO (DOT) 50B2O3(in mol%) glass-ceramics, in which the surface crystallized layer was composed of an a-axis oriented beta-BaB2O4(BBO) fine grains, have been successfully prepared by the conventional melting-quenching technique and subsequent controlled heat treatment. X-ray diffraction (XRD) and scanning electron microscope (SEM) shows that glass crystallization occurred on samples surface in a range of about 2 micrometer in thickness. Only beta-BaB2O4 crystalline phase was detected in samples sintered at temperature below 930 degrees Celsius. The spherical crystalline particles-size is about 0.2 micrometer in average diameter. Second harmonic generation (SHG) signals from the transparent surface crystallized samples were observed using a Q-switched pulsed Nd:YAG laser at a wavelength of 1.064 micrometer.

Paper Details

Date Published: 3 October 1996
PDF: 7 pages
Proc. SPIE 2897, Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications, (3 October 1996); doi: 10.1117/12.252938
Show Author Affiliations
Qinyuan Zhang, Shanghai Institute of Optics and Fine Mechanics (China)
Yonghua Zhao, Shanghai Institute of Optics and Fine Mechanics (China)
Zhonghong Jiang, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 2897:
Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications
Manfred Eich; Bruce H. T. Chai; Minhua Jiang, Editor(s)

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