Time-Resolved Terahertz Spectroscopy with Free-Space Electro-Optic Sampling
ZHANG Liang-Liang1 , ZHAO Guo-Zhong1 , ZHONG Hua2 , HU Ying1 , ZHANG Cun-Lin1
1 Department of Physics, Capital Normal University, Beijing 100037
2 Rensselaer Polytechnic Institute, New York, USA
Time-Resolved Terahertz Spectroscopy with Free-Space Electro-Optic Sampling
ZHANG Liang-Liang1 ;ZHAO Guo-Zhong1 ;ZHONG Hua2 ;HU Ying1 ;ZHANG Cun-Lin1
1 Department of Physics, Capital Normal University, Beijing 100037
2 Rensselaer Polytechnic Institute, New York, USA
关键词 ：
78.47.+p ,
07.57.Ty ,
42.62.Eh ,
78.20.Ci ,
78.30.Ly
Abstract ： We present a time-resolved ultrafast measurement in terahertz (THz) frequency region by means of the free-space electro-optic sampling. The fast delay scan technique is used to suppress the noise with low frequency and to improve the signal-to-noise ratio of the system. The transmission spectra of different materials are obtained. The optical properties of these materials in a THz region are shown. The broadening of spectrum and chirping phenomena are illustrated. We find that polystyrene is an excellent material for the THz application.
Key words ：
78.47.+p
07.57.Ty
42.62.Eh
78.20.Ci
78.30.Ly
出版日期: 2004-11-01
:
78.47.+p
07.57.Ty
(Infrared spectrometers, auxiliary equipment, and techniques)
42.62.Eh
(Metrological applications; optical frequency synthesizers for precision spectroscopy)
78.20.Ci
(Optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity))
78.30.Ly
(Disordered solids)
引用本文:
ZHANG Liang-Liang;ZHAO Guo-Zhong;ZHONG Hua;HU Ying;ZHANG Cun-Lin. Time-Resolved Terahertz Spectroscopy with Free-Space Electro-Optic Sampling[J]. 中国物理快报, 2004, 21(11): 2295-2297.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2004/V21/I11/2295
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2004, Vol. 21 
