化合物硼酸钾铷钡和硼酸钾铷钡双折射晶体及其制备方法和用途
By synthesizing the compound potassium rubidium barium borate KxRb(2-x)BaB6O11 (x=0.7-1) crystal, the problems of insufficient transmittance and difficult processing of existing birefringent crystals in the deep ultraviolet region were solved, and high transmittance and large birefringence in the deep ultraviolet-infrared band were achieved, which is suitable for optical device applications.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- XINJIANG TECH INST OF PHYSICS & CHEM CHINESE ACAD OF SCI
- Filing Date
- 2025-05-09
- Publication Date
- 2026-07-17
AI Technical Summary
Existing birefringent crystal materials have insufficient transmittance in the deep ultraviolet region, are difficult to process, and have poor chemical stability, making it difficult to meet the needs of optical devices.
Potassium rubidium barium borate KxRb(2-x)BaB6O11 (x=0.7-1) was synthesized by solid-state reaction and high-temperature melt method. The crystal belongs to the orthorhombic crystal system with space group Pnma. By controlling the reaction conditions, potassium rubidium barium borate birefringent crystals with high birefringence and wide transmission range were obtained.
It achieves high transmittance and high birefringence in the deep ultraviolet-infrared band. The crystal is easy to grow and process, and is suitable for optical devices such as Glan prisms and Wollaston prisms. It also has good chemical stability.
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