Yicheng Wu

Title: The Innovations of Yicheng Wu

Introduction

Yicheng Wu is an innovative inventor based in Beijing, China, who has made significant contributions to the field of nonlinear optical crystal materials. With a total of two patents to his name, Wu is recognized for his research and development in materials that have promising applications in nonlinear optics.

Latest Patents

Wu's latest patents include the Li4Sr(BO3)2 compound and the Li4Sr(BO3)2 nonlinear optical crystal, along with their preparation methods and uses. The Li4Sr(BO3)2 nonlinear optical crystal boasts a second harmonic conversion efficiency at 1064 nm that is approximately double that of a KHPO (KDP) crystal. This innovative crystal features a UV absorption cut-off edge of less than 190 nm and maintains its integrity without disintegration. By employing the flux method with LiO, LiO—BO, and LiO—BO—LiF as flux agents, Wu succeeded in growing large-size and transparent Li4Sr(BO3)2 nonlinear optical crystals. The crystals exhibit stable physicochemical properties, moderate hardness, and are easy to cut, process, preserve, and utilize, making them suitable for developing nonlinear optical devices and facilitating nonlinear optical applications in both the ultraviolet and deep-ultraviolet spectrum.

In addition, Wu is credited with another patent related to nonlinear optical crystals of the compound Na3La9B8O27, which includes its producing methods and uses. This compound allows for the creation of large-size single crystals of NaLaBO using the flux method. Notably, NaLaBO crystals are non-hygroscopic and demonstrate stronger nonlinear optical effects alongside commendable mechanical properties, making them ideal for frequency conversion in blue-green wavelength lasers and for preparing nonlinear optical devices.

Career Highlights

Throughout his career, Yicheng Wu has been associated with research institutions such as the Chinese Academy of Sciences and the Technical Institute of Physics and Chemistry. His work there has propelled advancements in nonlinear optical materials, positioning him as a key contributor in this specialized field.

Collaborations

Wu's notable collaborations include working alongside colleagues like Guochun Zhang and Peizhen Fu. Their joint efforts have likely played a pivotal role in the success of his research endeavors and patent achievements.

Conclusion

Yicheng Wu exemplifies the spirit of innovation within the realm of nonlinear optics. His patents not only signify individual achievement but also point toward future advancements in the development of optical devices. With ongoing research and collaboration, Wu is poised to continue making meaningful contributions to the scientific community.