Criteria for hexagon formation in photorefractive materials

Jia Zhang; Partha P. Banerjee; Nickolai V. Kukhtarev

doi:10.1117/12.458536

20 November 2002 Criteria for hexagon formation in photorefractive materials

Jia Zhang, Partha P. Banerjee, Nickolai V. Kukhtarev

Proceedings Volume 4803, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VIII; (2002) https://doi.org/10.1117/12.458536
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

We simulate exact spatio-temporal evolutions of self-organization in KNbO₃ using a reflection grating based phenomenological model, and a rigorous model including the time evolution of photovoltaic voltage. The initial phase difference of scattering waves is critical to hexagon formation. Finally, we compare the stability range for those two models.

Citation Download Citation

Jia Zhang, Partha P. Banerjee, and Nickolai V. Kukhtarev "Criteria for hexagon formation in photorefractive materials", Proc. SPIE 4803, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VIII, (20 November 2002); https://doi.org/10.1117/12.458536

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