Haijing Peng

Title: The Innovative Contributions of Haijing Peng in Optical Metrology

Introduction

Haijing Peng, an accomplished inventor based in Shanghai, China, has made significant strides in the field of optical metrology. With a portfolio that includes three patents, his work primarily revolves around the advancements in magneto-optic Kerr effect metrology systems, showcasing his expertise and innovation in optical engineering.

Latest Patents

Haijing Peng's most recent patents demonstrate his ability to blend theoretical knowledge with practical application. His patent for a reflective compact lens is critical for magneto-optic Kerr effect metrology systems. This invention features a Cassegrain or quasi-Cassegrain structure objective lens, which incorporates a primary concave mirror and a secondary mirror. The design allows for a laser beam to be effectively transmitted through an aperture defined by the primary mirror.

Additionally, his patent focusing on magneto-optic Kerr effect metrology systems describes a unique method of directing a laser beam through either a transmissive or reflective axicon telescope. The transmissive approach involves a series of axicon lenses that transform a Gaussian beam profile into a hollowed laser ring, while the reflective design utilizes conical mirrors, one of which has a central hole for the laser beam to penetrate.

Career Highlights

Throughout his career, Haijing Peng has demonstrated his commitment to innovation while working with prominent companies in the industry, including Kla Corporation and KLA-Tencor Corporation. His experiences in these leading firms have helped him sharpen his skills and understand the critical needs of the optical metrology field.

Collaborations

In addition to his technical ingenuity, Haijing has collaborated with respected colleagues such as Lansheng Dong and Walter H. Johnson III. These partnerships have enabled him to enhance his designs and further the development of cutting-edge optical technologies.

Conclusion

Haijing Peng is a notable figure in the realm of optical metrology, with innovative inventions that address complex challenges in the field. His patents not only reflect his expertise but also his dedication to advancing optical technologies for practical applications. As the demand for precise measurement continues to grow, the contributions of inventors like Haijing Peng will undoubtedly play a crucial role in shaping the future of optical engineering.