Gansheng Li

Title: Gansheng Li: Innovator in Photorefractive Devices

Introduction

Gansheng Li is a notable inventor based in Fuzhou, China. He has made significant contributions to the field of photorefractive devices, particularly through his innovative work on barium strontium titanate (BST) materials. His research has implications for various optoelectronic applications.

Latest Patents

Gansheng Li holds a patent for a photorefractive device made from a single crystal with the chemical composition Ba.sub.1-x Sr.sub.x TiO.sub.3, where 0.01 < x < 0.1. The invention details a method for manufacturing this device, which includes growing the BST single crystal using the Czochralski technique, annealing the crystal in an oxidizing atmosphere, and machining it into a cuboid with polished surfaces. The device has demonstrated a reflectivity as high as 52% when used as a self-pumped phase conjugator. Compared to traditional BaTiO.sub.3 devices, the BST method offers advantages such as a shorter growth period, simpler equipment requirements, higher yield, and the ability to produce larger crystal dimensions.

Career Highlights

Gansheng Li is affiliated with the Chinese Academy of Sciences, where he has been involved in cutting-edge research and development in photorefractive technology. His work has garnered attention for its practical applications and advancements in the field.

Collaborations

Gansheng Li has collaborated with notable colleagues, including Jian Zhuang and Xiancheng Gao. Their combined expertise has contributed to the success of their research projects and innovations.

Conclusion

Gansheng Li's contributions to the field of photorefractive devices highlight his innovative spirit and dedication to advancing technology. His work continues to influence the development of optoelectronic applications, showcasing the importance of research in this area.