US 11,932,965 B2
Nonlinear optical crystal, method for preparing the same and application thereof
Jiyong Yao, Beijing (CN); Yangwu Guo, Beijing (CN); Zhuang Li, Beijing (CN); Wenhao Xing, Beijing (CN); and Xiaoyu Luo, Beijing (CN)
Assigned to TECHNICAL INSTITUTE OF PHYSICS AND CHEMISTRY OF THE CHINESE ACADEMY OF SCIENCES, Beijing (CN)
Appl. No. 17/256,915
Filed by TECHNICAL INSTITUTE OF PHYSICS AND CHEMISTRY OF THE CHINESE ACADEMY OF SCIENCES, Beijing (CN)
PCT Filed Mar. 5, 2019, PCT No. PCT/CN2019/077006
§ 371(c)(1), (2) Date Dec. 29, 2020,
PCT Pub. No. WO2020/015367, PCT Pub. Date Jan. 23, 2020.
Claims priority of application No. 201810796943.8 (CN), filed on Jul. 19, 2018; and application No. 201910011540.2 (CN), filed on Jan. 7, 2019.
Prior Publication US 2021/0372006 A1, Dec. 2, 2021
Int. Cl. C30B 29/46 (2006.01); C01B 19/00 (2006.01); C30B 11/02 (2006.01); G02F 1/355 (2006.01)
CPC C30B 29/46 (2013.01) [C01B 19/002 (2013.01); C30B 11/02 (2013.01); G02F 1/3551 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A nonlinear optical crystal, wherein the chemical formula of the nonlinear optical crystal is MHgGeSe4, where M is selected from Ba or Sr; the nonlinear optical crystal has no symmetrical center, belongs to an orthorhombic crystal system, and has a space group Ama2.