大尺寸水合硼酸钠非线性光学晶体及其制备方法和用途
申请公布号:CN101591809A
申请号:CN200910113370.5
申请日期:2009.06.23
申请公布日期:2009.12.02
发明人:潘世烈;王永疆
分类号:C30B29/22(2006.01)I;C30B7/10(2006.01)I
主分类号:C30B29/22(2006.01)I
代理人:张 莉
地址:830011新疆维吾尔自治区乌鲁木齐市北京南路40号附1号
摘要:本发明涉及一种具有厘米级的大尺寸水合硼酸钠非线性光学晶体及制备方法和用途,该晶体分子式为:Na<sub>2</sub>B<sub>5</sub>O<sub>11</sub>H<sub>5</sub>,属于正交晶系,空间群为Pna2<sub>1</sub>,分子量为281.07,单胞参数为a=11.967(2),b=6.5320(13),c=11.126(2)。采用水热法,通过水热反应,得到具有厘米级的大尺寸水合硼酸钠非线性光学晶体。该晶体非线性光学效应为KDP晶体的2/3倍,紫外吸收截至边在190nm以下,在紫外和可见光区有宽的透过范围。该晶体生长过程具有操作简单,成本低,所用的毒性小,生长周期短,物化性质稳定等优点。本发明的非线性光学晶体在倍频转换、光参量振荡器等非线性光学器件中可以得到广泛应用。
主权项:1、一种具有厘米级的大尺寸水合硼酸钠非线性光学晶体,其特征在于该晶体分子式为:Na<sub>2</sub>B<sub>5</sub>O<sub>11</sub>H<sub>5</sub>,属于正交晶系,空间群为Pna2<sub>1</sub>,分子量为281.07,单胞参数为a=11.967(2)<img file="A2009101133700002C1.GIF" wi="69" he="54" />b=6.5320(13)<img file="A2009101133700002C2.GIF" wi="70" he="53" />c=11.126(2)<img file="A2009101133700002C3.GIF" wi="56" he="61" />Z=4。
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