20 November 2002 Criteria for hexagon formation in photorefractive materials
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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.
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Jia Zhang, Jia Zhang, Partha P. Banerjee, Partha P. Banerjee, Nickolai V. Kukhtarev, 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); doi: 10.1117/12.458536; https://doi.org/10.1117/12.458536
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