| 专利名称 | Nonlinear optical (NLO) crystal strontium Beryllatoborate SR2Be2B2O7 | 申请号 | US19950423260 | 专利类型 | US | 公开（公告）号 | US5523026 | 公开（授权）日 | 1996.06.04 | 申请（专利权）人 | 中国科学院福建物质结构研究所 | 发明（设计）人 | CHEN CHUANGTIAN (CN); WU BAICHANG (CN); WANG YEBIN (CN); ZENG WENRONG (CN); YU LINHUA (CN); ZOU QUN (CN) | 主分类号 | F21V9/00 | IPC主分类号 | F21V9/00;G02B5/20;C01B35/10 | 专利有效期 | Nonlinear optical (NLO) crystal strontium Beryllatoborate SR2Be2B2O7 至Nonlinear optical (NLO) crystal strontium Beryllatoborate SR2Be2B2O7 | 法律状态 | 说明书摘要 | The present invention relates to a new type NLO crystal Strontium Beryllatoborate (Chemical formula Sr2Be2B2O7, abbr. SBBO). The SBBO compound is synthesized by chemical reaction of solid state in high temperature sintering, Its chemical reaction equation is: 2SrCO3+2BeO+2H3BO3->Sr2Be2B2O7+2CO2 +3H2O A flux method is applied to the growth of single crystal of Strontium Beryllatoborate, in which SrB2O4, NaF and other fluorides were used as flux solvents. The result of measurement indicated that this compound has following structural and physical characteristics: space group: P63(C66) point group: C 6, unit cell: a=4.663(3) ANGSTROM , c=15.311(7) ANGSTROM ,z=2, V=283.3( ANGSTROM )3. SBBO belongs to crystal of negative optical axis, its harmonic generation devices, optical parameter and amplifier devices and optic-wave guide devices in UV region will win wide application, the coherent light of wave length shorter than 200 nm can be produced through direct frequency-multiplication. |
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