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21 February 2011 Length dependence of forward and backward THz DFG in a strongly absorptive material
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Abstract
Some believes that the useful length of THz different frequency generation (DFG) in a highly absorptive material is comparable to the absorption length of the THz wave. We show in theory and experiment that it is only true for backward THz DFG. For forward DFG with strong idler absorption, the THz wave can continue to grow with the length of a DFG crystal.
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Yen-Chieh Huang, Ming-Yuen Chuang, Yen-Hou Lin, Ching-Han Lee, Tsong-Dong Wang, Yen-Yin Lin, and Fan-Yi Lin "Length dependence of forward and backward THz DFG in a strongly absorptive material", Proc. SPIE 7917, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications X, 79170I (21 February 2011); https://doi.org/10.1117/12.875948
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