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Efficient ultrashort light pulse conversion in GHz - THz pulses in ZnTe, GaAs, DAST crystals

机译:高效的超短灯脉冲转换在Znte,GaAs,Dast晶体中的GHz - THz脉冲中

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The potentiality to increase light pulse conversion efficiency into pulses of the millimeter and submillimeter (GHz ― THz) range using the waveguide partially filled with a nonlinear crystal is suggested. This technique has been theoretically substantiated and experimentally studied. Phase matching is defined by the degree of partial filling. The calculated data as well as the experimental results of the difference frequency generation in LiNbO_3, ZnTe, GaAs and DAST crystals are presented. DAST refractive index as well as its tnδ have been measured in the 70 ― 900 GHz frequency range.
机译:建议使用部分填充有非线性晶体的波导提高光脉冲转换效率的潜在能力进入毫米和亚倍数仪(GHz - THz)范围的脉冲。这种技术已经理解和实验研究。相位匹配由部分填充程度定义。呈现了计算的数据以及LINBO_3,ZnTe,GaAs和龙隙晶体中差频产生的实验结果。在70 - 900GHz频率范围内测量了达斯折射率以及其TNδ。

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