New class of nonlinear optical crystals R2CaB10O19 (RCB)

Yicheng Wu; Jianguo Liu; Peizhen Fu; Junxing Wang; Fan Guo; Guiwen Zhao; Jingui Qin; Chuangtian Chen

doi:10.1117/12.318246

14 August 1998 New class of nonlinear optical crystals R₂CaB₁₀O₁₉(RCB)

Yicheng Wu, Jianguo Liu, Peizhen Fu, Junxing Wang, Fan Guo, Guiwen Zhao, Jingui Qin, Chuangtian Chen

Proceedings Volume 3556, Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications II; (1998) https://doi.org/10.1117/12.318246
Event: Photonics China '98, 1998, Beijing, China

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.

Citation Download Citation

Yicheng Wu, Jianguo Liu, Peizhen Fu, Junxing Wang, Fan Guo, Guiwen Zhao, Jingui Qin, and Chuangtian Chen "New class of nonlinear optical crystals R₂CaB₁₀O₁₉(RCB)", Proc. SPIE 3556, Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications II, (14 August 1998); https://doi.org/10.1117/12.318246

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