Hydrothermal growth and optical properties of RbBe₂BO₃F₂ crystals

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• 作者：Lijuan Liu^a ; Haitao Zhou^b ; Xiaoling He^b ; Xin Zhang^a ; Xiaoyang Wang^a ; Fuhua Lu^b ; Changlong Zhang^b ; Weining Zhou^b ; Chuangtian Chen^a ; ^{cct@mail.ipc.ac.cn}
• 关键词：A1. RbBe2BO3F2 (RBBF) ; A2. Hydrothermal crystal growth ; B1. Borate ; B2. Nonlinear optic material
• 刊名：Journal of Crystal Growth
• 出版年：2012
• 期刊代码：49_00220248
• 类别：ch
• 出版时间：1 June, 2012
• 卷：348
• 期：1
• 页码：60-64
• 文件大小：780 K

摘要

Crystals of RbBe₂BO₃F₂ up to a size of 22脳18脳5 mm³ have been grown by the hydrothermal method. The growth conditions were optimized mainly by adjusting the mineralizers and growth temperature. The crystals linear and nonlinear optical properties, including its transmittance spectrum and second harmonic generation from 532 to 266 nm, were measured and compared with those of flux grown crystals. A maximum conversion efficiency of 20%was obtained with a 25 ps, 10 Hz laser system. The results indicate that RbBe₂BO₃F₂ crystals grown by the hydrothermal method show similar capability for frequency conversion compared with flux grown crystals and are promising for future deep-UV harmonic generation.