Compositions – Light transmission modifying compositions – Inorganic crystalline solid
Patent
1999-04-28
2000-11-14
Tucker, Philip
Compositions
Light transmission modifying compositions
Inorganic crystalline solid
423263, 423277, 359328, G02B 520, C01F 1700, C01B 3510, G02F 135
Patent
active
061465534
ABSTRACT:
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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Fu Peizhen
Liu Jianguo
Wang Junxin
Wu Yicheng
Zhao Guiwen
Tucker Philip
University of Science and Technology of China
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