Growth and habit of lithium triborate crystal by flux pulling method

Huicong Hong; Weizhuo Zhong; Zhiping Lu; Tiande Zhao; Sukun Hua

doi:10.1117/12.149277

21 July 1993 Growth and habit of lithium triborate crystal by flux pulling method

Huicong Hong, Weizhuo Zhong, Zhiping Lu, Tiande Zhao, Sukun Hua

Proceedings Volume 1863, Growth, Characterization, and Applications of Laser Host and Nonlinear Crystals II; (1993) https://doi.org/10.1117/12.149277
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

High quality lithium triborate LiB₃O₅ (LBO) single crystals with dimension larger than (phi) 60 X 15 mm have been grown by the flux pulling method. It is found that higher rate of growth is available for LBO crystal grown by the flux pulling method as compared with the flux seeding method. The investigation of the viscosity of melt in the Li₂O-B₂O₃ system indicates that the phenomenon of 'Boron Abnormality' has much influence on the viscosity of melt. Therefore, some ordinary metal oxides, such as alkali metal oxide and alkaline-earth metal oxide, could hardly be used as the optimal flux for LBO crystal growth. Some suitable compounds were proposed as the flux for the improvement of the LBO crystal growth due to the high viscosity of melt in the Li₂O-B₂O₃ system. The habit of LBO crystal has been studied with different oriented seeds in different crystal growth conditions. Investigations of the defects in LBO crystal show that the defects have close relationship with the habit of the crystal. Some important crystallographic data are also linked.

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Huicong Hong, Weizhuo Zhong, Zhiping Lu, Tiande Zhao, and Sukun Hua "Growth and habit of lithium triborate crystal by flux pulling method", Proc. SPIE 1863, Growth, Characterization, and Applications of Laser Host and Nonlinear Crystals II, (21 July 1993); https://doi.org/10.1117/12.149277

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