Kawada Yoichi, Yasuda Takashi, Nakanishi Atsushi, Takahashi Hironori, Aoshima Shin-ichiro
Central Research Laboratory, Hamamatsu Photonics K.K., 5000 Hirakuchi, Hamakita, Hamamatsu City 434-8601, Japan.
Rev Sci Instrum. 2009 Nov;80(11):113703. doi: 10.1063/1.3257617.
We demonstrated a single-shot measurement of terahertz temporal waveform using pulse-front tilting by a direct vision dispersion prism (DVDP). An advantage of this technique is the simplicity with which an electro-optic terahertz imaging optical system can be changed into a single-shot measurement system by inserting a DVDP in the probe beam path. In this technique, control of the angle of pulse-front tilting is very important. We precisely designed DVDP and measured the angle of the pulse-front tilting by interference measurement. We obtained a terahertz temporal waveform with a single shot with a time window of 3.2 ps.
我们展示了一种使用直视色散棱镜（DVDP）通过脉冲前沿倾斜进行太赫兹时间波形的单次测量。该技术的一个优点是，通过在探测光束路径中插入一个DVDP，电光太赫兹成像光学系统可以很简单地转变为单次测量系统。在这项技术中，控制脉冲前沿倾斜角度非常重要。我们精确设计了DVDP，并通过干涉测量来测量脉冲前沿倾斜角度。我们在3.2皮秒的时间窗口内单次获得了太赫兹时间波形。
