Hsinchu, Taiwan

Guey-Wu Chang

This inventor holds 1 USPTO granted patent. Top assignee: National Tsing Hua University. Active years: 2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Guey-Wu Chang. Retrieved from https://idiyas.com/inventor/guey-wu-chang

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2012

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1 patent (USPTO):Explore Patents

Title: Innovations of Guey-Wu Chang

Introduction

Guey-Wu Chang is a notable inventor based in Hsinchu, Taiwan. He has made significant contributions to the field of electro-optics, particularly in the development of advanced laser technologies. His innovative work has led to the creation of a unique patent that enhances the functionality of lasers.

Latest Patents

Guey-Wu Chang holds a patent for an "Electro-optic Bragg deflector and method of using it as laser Q-switch in an actively Q-switched laser and an actively Q-switched wavelength-conversion laser." This invention provides configurations for an electro-optic Bragg deflector and methods for utilizing it as a laser Q-switch. The first embodiment features an electrode-coated electro-optic material with either a 1D or 2D spatially modulated electro-optic coefficient. When voltage is applied to the electrodes, the electro-optic material acts like a Bragg grating due to the electro-optically induced spatial modulation of the refractive index. The second embodiment involves an actively Q-switched laser, where the electro-optic Bragg deflector serves as a laser Q-switch. The third embodiment integrates the Q-switched laser with a laser-wavelength converter, allowing the EO Bragg deflector to be monolithically combined with a quasi-phase-matching wavelength converter during fabrication.

Career Highlights

Guey-Wu Chang is affiliated with Tsinghua University, where he continues to advance research in electro-optics and laser technology. His work has garnered attention for its innovative approach to improving laser systems.

Collaborations

Guey-Wu Chang has collaborated with notable colleagues, including An-Chung Chiang and Shou-Tai Lin, who have contributed to his research endeavors.

Conclusion

Guey-Wu Chang's contributions to the field of electro-optics and laser technology are significant, showcasing his innovative spirit and dedication to advancing scientific knowledge. His patent reflects a deep understanding of laser systems and their applications, marking him as a key figure in this area of research.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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