5 years ago

Finding the Next Deep-Ultraviolet Nonlinear Optical Material: NH4B4O6F

Finding the Next Deep-Ultraviolet Nonlinear Optical Material: NH4B4O6F
Kenneth R. Poeppelmeier, Zhihua Yang, Ying Wang, Shilie Pan, Xueling Hou, Guoqiang Shi, Fangfang Zhang, Bingbing Zhang
Nonlinear optical materials are essential for the development of solid-state lasers. KBe2BO3F2 (KBBF) is a unique nonlinear optical material for generation of deep-ultraviolet coherent light; however, its industrial application is limited. Here, we report a new material NH4B4O6F, which exhibits a wide deep-ultraviolet transparent range and suitable birefringence that enables frequency doubling below 200 nm. NH4B4O6F possesses large nonlinear coefficients about 2.5 times that of KBBF. In addition, it is easy to grow bulk crystals and does not contain toxic elements.

Publisher URL: http://dx.doi.org/10.1021/jacs.7b05943

DOI: 10.1021/jacs.7b05943

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