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Proceedings Paper

New class of nonlinear optical crystals R2CaB10O19 (RCB)
Author(s): Yicheng Wu; Jianguo Liu; Peizhen Fu; Junxing Wang; Fan Guo; Guiwen Zhao; Jingui Qin; Chuangtian Chen
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Paper Abstract

A new series of mixed borates of rare-earth elements and calcium with the composition R2CaB10O19 (where R represents rare-earth element) has been identified in the system R2O3-CaO-B2O3. These isostructural compounds exhibit a powder second harmonic generation (SHG) effect about twice larger than that of KDP (KH2PO4). The crystal structure of La2CaB10O19 (LCB), one member of the RCB family, has been determined by single crystal X-ray diffraction analysis. The compound crystallizes in the monoclinic system, space group C2, with a equals 11.043(3)angstrom, b equals 6.563(2)angstrom, c equals 9.129(2)angstrom, (alpha) equals (gamma) equals 90 degrees, (beta) equals 91.47 degrees, and two formula units per cell. LCB melts congruently with a melting point of 1065 plus or minus 2 degrees Celsius. Single crystals of LCB and Nd doped LCB in centimeter size have been grown from the stoichiometric melt. The preliminary results on properties of LCB are presented.

Paper Details

Date Published: 14 August 1998
PDF: 6 pages
Proc. SPIE 3556, Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications II, (14 August 1998); doi: 10.1117/12.318246
Show Author Affiliations
Yicheng Wu, Univ. of Science and Technology of China (China)
Jianguo Liu, Univ. of Science and Technology of China (China)
Peizhen Fu, Univ. of Science and Technology of China (China)
Junxing Wang, Univ. of Science and Technology of China (China)
Fan Guo, Univ. of Science and Technology of China (China)
Guiwen Zhao, Univ. of Science and Technology of China (China)
Jingui Qin, Wuhan Univ. (China)
Chuangtian Chen, Fujian Institute of Research on the Structure of Matter (China)


Published in SPIE Proceedings Vol. 3556:
Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications II
Chuangtian Chen, Editor(s)

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