8 September 2005 Photorefractive filament array formed in PDMs by fs pulse laser
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Abstract
We demonstrated experimentally the formation of the photorefractive filament array in PDMs by a femtosecond pulse laser. Using an optical microscopy and a fast CCD camera, we recorded the formation processes. The results showed that, by special design of the femtosecond laser parameters and the optical configurations, filaments can be placed in an orderly 1D or 2D arrangement array, and be reflected. Based on these observations, we have established a theoretical model to simulate the filaments.
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Guoying Feng, Zhengdong Cheng, Qihua Zhu, Jianguo Chen, Nianchun Sun, and Xiaomin Zhang "Photorefractive filament array formed in PDMs by fs pulse laser", Proc. SPIE 5911, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications XI, 591107 (8 September 2005); doi: 10.1117/12.611223; https://doi.org/10.1117/12.611223
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