Electro-optic detection of terahertz radiation
Electro-optic detection of terahertz radiation
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DOI：
10.1364/josab.16.001204
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发表时间：
1999-08-01
影响因子：
1.9
通讯作者：
Grischkowsky, D
中科院分区：
文献类型：
--
作者：
Gallot, G;Grischkowsky, D
我们提出了一个完整的频域描述的电光（EO）检测太赫兹（THz）电磁辐射，包括椭圆偏振技术的描述。这些频域结果示出了作为作用于进入EO晶体的THz脉冲的复振幅谱的三个光谱滤波器的产物的THz辐射的脉冲的EO检测的效果。对于通常的实验情况下，其中的光带宽的询问光脉冲是小的光载波频率相比，我们得到了一个重要的简化，我们的一般结果检测EO信号。当这个简化的结果在时域中重写时，获得了对EO检测的先前时域图片的更一般的描述。(C)1999年美国光学学会[S 0740 -3224（99）00308-2]。
We present a complete frequency-domain description of electro-optic (EO) detection of terahertz (THz) electromagnetic radiation, including a description of the ellipsometry technique employed. These frequency-domain results show the effect of EO detection of a pulse of THz radiation as the product of three spectral filters acting on the complex amplitude spectrum of the THz pulse that is entering the EO crystal. For the usual experimental situation in which the optical bandwidth of the interrogating light pulse is small compared with the optical carrier frequency, we obtain an important simplification of our general result for the detected EO signal. When this simplified result is rewritten in the time domain, a more general description of the previous time-domain picture of EO detection is obtained. (C) 1999 Optical Society of America [S0740-3224(99)00308-2].