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Calculation of the Conversion Efficiency and Characteristics of Output Pulse of Ultrashort-pulse Optical Parametric Generation
Author(s): 
Pages: 241-245
Year: Issue:  4
Journal: LASER & INFRARED

Keyword:  光参量产生飞秒转换效率信号光脉宽脉冲的不对称性;
Abstract: 建立了超短脉冲光参量产生过程的理论模型,数值求解耦合波方程组,研究了在飞秒级超短脉冲的光参量产生过程中,泵浦光的强度和脉宽对转换效率、输出脉冲的宽度和不对称度的影响.结果表明:泵浦光越强,光参量产生的转换效率越高,同时脉宽的压窄效应越明显;泵浦光的脉宽越窄,GVM参数和IGVD参数就越大,导致转换效率下降,同时引起输出脉冲的脉宽变大和波形的对称性变差.
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