Jianfa Zhang

Title: Innovations of Jianfa Zhang in Optical Devices

Introduction

Jianfa Zhang is a notable inventor based in Changsha, China. He has made significant contributions to the field of optical devices, particularly through his innovative patent. His work focuses on the interaction of coherent light beams with metamaterials, which has implications for various optical applications.

Latest Patents

Jianfa Zhang holds a patent for "Optical devices, systems and methods." This invention involves the propagation of first and second coherent light beams of the same wavelength in opposite directions. These beams interact on a sub-wavelength thickness metallic metamaterial layer, structured with a periodicity that resonates with the wavelength of the coherent beams. The first beam modulates the intensity of the second beam by altering its phase and/or intensity. This innovative approach can either eliminate or significantly reduce Joule loss of light energy in the metamaterial layer or lead to near-total absorption of light, depending on the interaction of the beams.

Career Highlights

Jianfa Zhang is affiliated with the University of Southampton, where he continues to advance his research in optical technologies. His work has garnered attention for its potential applications in improving the efficiency of optical systems.

Collaborations

Jianfa Zhang has collaborated with esteemed colleagues such as Nikolay Ivanovich Zheludev and Kevin Francis MacDonald. Their joint efforts contribute to the advancement of knowledge in the field of optics.

Conclusion

Jianfa Zhang's innovative work in optical devices showcases his expertise and commitment to advancing technology. His patent reflects a significant step forward in the manipulation of light, with promising applications in various fields.