发明授权
US6146553A Nonlinear optical crystal of compound R.sub.2 MB.sub.10 O.sub.19 and producing method and producing method and uses thereof 有权
化合物R2MB10O19的非线性光学晶体及其制备方法及其制备方法和用途

Nonlinear optical crystal of compound R.sub.2 MB.sub.10 O.sub.19 and
producing method and producing method and uses thereof
摘要:
The present invention provides a compound having the chemical formula of R.sub.2 MB.sub.10 O.sub.19, wherein R is one or more elements selected from the group consisting of rare-earth elements or Y; M is selected from the group consisting of Ca, Sr, Ba, a single crystal of the compound, a producing method and uses thereof. The compound is congruently melting, which is suitable for producing large size single crystal of R.sub.2 MB.sub.10 O.sub.19 with melt methods, especially pulling method, at a low cost. The crystal resulted therefrom has the same NLO effect as LBO with superior mechanical properties, and it is antideliquenscent. The crystal of the present invention can be used for the frequency-conversion of blue-green wavelength lasers.
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