Company Filing History:
Years Active: 2011-2015
Title: Innovations of Dongfang Zhang in Pulse Contrast Measurement
Introduction
Dongfang Zhang is a prominent inventor based in Shanghai, China. He has made significant contributions to the field of pulse contrast measurement, holding two patents that showcase his innovative approach to technology. His work is primarily associated with Fudan University, where he continues to advance research in this area.
Latest Patents
One of Zhang's latest patents is a "Single-shot pulse contrast measuring device based on non-harmonic long-wavelength sampling pulse." This device includes a long-wavelength sampling light generation unit, a large-angle non-collinear sum-frequency cross-correlation unit, and a high sensitivity signal receiving unit. The design allows for interaction of beams at a large non-collinear angle in a quasi-phase matching crystal, which helps eliminate scattered light noise. This innovation achieves single measurements of pulse contrast with a large temporal window and high dynamic range, making it suitable for measuring high-power lasers with various wavelengths.
Another notable patent is the "Method and system for detecting single-shot pulse contrast based on fiber array." This system features a correlator that generates a correlation signal, a spectral filter for light signal filtering, and a fiber array that transmits correlation signals in parallel. The design includes fiber attenuators and a detector that converts analog signals to digital signals for processing. This system enhances the ability to retrieve single-shot pulse contrast effectively.
Career Highlights
Dongfang Zhang's career is marked by his dedication to research and innovation in the field of pulse measurement technology. His work at Fudan University has positioned him as a leading figure in this specialized area. His patents reflect a commitment to advancing the capabilities of laser technology and measurement systems.
Collaborations
Zhang has collaborated with notable colleagues, including Liejia Qian and Peng Yuan. These partnerships have contributed to the development of his innovative patents and have fostered a collaborative research environment at Fudan University.
Conclusion
Dongfang Zhang's contributions to pulse contrast measurement technology are significant and impactful. His innovative patents demonstrate a deep understanding of the complexities involved in laser technology. Through his work, he continues to push the boundaries of what is possible in this field.