Haijun Yu

Title: Haijun Yu: Innovator in Laser Technology

Introduction

Haijun Yu is a prominent inventor based in Beijing, China. He has made significant contributions to the field of laser technology, holding a total of five patents. His innovative work focuses on improving laser cleaning methods and devices, showcasing his expertise and dedication to advancing this technology.

Latest Patents

One of Haijun Yu's latest patents is a laser cleaning method and device designed to enhance the uniformity of laser cleaning surfaces. This method involves applying a peaked-top sine wave signal to a motor, which controls a galvanometer to swing in a reciprocated manner. This action shapes the laser beam emitted by a laser into a linear beam, allowing for effective laser cleaning. Another notable patent is for an acousto-optic Q switch, resonant cavity, and pulse laser device aimed at improving laser device power. This invention includes a transparent optical element that forms a phase grating to diffract laser light, along with a piezoelectric transducer that converts electrical energy into ultrasonic energy.

Career Highlights

Haijun Yu has worked with esteemed organizations such as the Chinese Academy of Sciences and Nuctech Company Limited. His experience in these institutions has allowed him to collaborate with other experts in the field and further his research in laser technology.

Collaborations

Some of his notable coworkers include Xuechun Lin and Zhiyan Zhang. Their collaborative efforts have contributed to the advancements in the projects they have undertaken together.

Conclusion

Haijun Yu's innovative contributions to laser technology, particularly in cleaning methods and devices, highlight his role as a leading inventor in this field. His patents reflect a commitment to enhancing the efficiency and effectiveness of laser applications.