Secondary photorefractive centers in Sn2P2S6:Sb crystals |
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| Authors: | Evans Dean R Shuymelyuk Alexandr Cook Gary Odoulov Serguey |
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| Affiliation: | Air Force Research Laboratory, Materials and Manufacturing Directorate, Wright–Patterson Air Force Base, Ohio 45433, USA. |
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| Abstract: | Secondary photorefractive centers in Sb-doped Sn2P2S6 have a lifetime comparable to the formation time of the space-charge grating. This considerably affects the dynamics of two-beam coupling and results in a new type of transient gain enhancement for preilluminated samples. |
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