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Proceedings Article

New class of nonlinear optical crystals R2CaB10O19 (RCB)

[+] Author Affiliations
Yicheng Wu, Jianguo Liu, Peizhen Fu, Junxing Wang, Fan Guo, 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)

Proc. SPIE 3556, Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications II, 8 (August 14, 1998); doi:10.1117/12.318246
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From Conference Volume 3556

  • Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications II
  • Chuangtian Chen
  • Beijing, China | September 16, 1998

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.

© (1998) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Yicheng Wu ; Jianguo Liu ; Peizhen Fu ; Junxing Wang ; Fan Guo, et al.
"New class of nonlinear optical crystals R2CaB10O19 (RCB)", Proc. SPIE 3556, Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications II, 8 (August 14, 1998); doi:10.1117/12.318246; http://dx.doi.org/10.1117/12.318246


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