会議発表用資料 Frequency up-shift of THz light via relativistic Doppler reflection: as new probe for investigating carrier dynamics

河野, 七瀬  ,  板倉, 隆二  ,  坪内, 雅明

2016-09-26
内容記述
We have applied the terahertz (THz) time-domain spectroscopy (TDS) to revealing the mechanism of the relativistic Doppler reflection of the THz light from a photo-induced plasma layer in a silicon wafer. The velocity of moving plasma layer is estimated by the reflected THz waveforms as a function of pump and probe delay time. We found that the interaction time of the moving plasma front and the reflected THz pulse is a key factor to understand the mechanism of the relativistic Doppler reflection and modified the up-shift factor.
IRMMW-THz 2016

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