Company Filing History:
2 out of 3,100 
2 out of 23 Years Active: 2015
Title: Zhaogu Cheng: Innovator in Interferometry
Introduction
Zhaogu Cheng is a prominent inventor based in Shanghai, China. He has made significant contributions to the field of interferometry, holding a total of 2 patents. His work focuses on advanced optical systems that enhance measurement precision.
Latest Patents
Cheng's latest patents include the "Four-axis four-subdividing interferometer" and the "Six-axis four-subdividing interferometer." The Four-axis interferometer features a four-axis light splitting module and an interference module arranged along the incident direction of polarization orthogonal double-frequency laser. This system utilizes three 50% plane beam splitters and three 45-degree plane reflecting mirrors. Additionally, it comprises a four-axis four-subdividing plane mirror interferometer and a four-axis four-subdividing differential interferometer. The differential interferometer employs an adjustable 45-degree reflecting mirror to guide reference light to a reference reflecting mirror aligned with a measurement mirror fixed on a moving object. The Six-axis interferometer consists of a six-axis light splitting system and an interference module, incorporating five 45-degree plane beam splitters and four 45-degree full-reflecting mirrors.
Career Highlights
Zhaogu Cheng has worked with esteemed organizations such as the Chinese Academy of Sciences and Shanghai Micro Electronics Equipment Co., Ltd. His experience in these institutions has allowed him to develop and refine his innovative technologies.
Collaborations
Cheng has collaborated with notable colleagues, including Jianfang Chen and Ya Cheng. Their combined expertise has contributed to the advancement of optical measurement technologies.
Conclusion
Zhaogu Cheng's contributions to interferometry through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in optical measurement systems.