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Proceedings Paper

Analytical study of terahertz wave intensity measurements by ZnTe electro-optic crystal
Author(s): Muhammad Siddique; Suhui Yang; Zhuo Li; Ping Li
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Paper Abstract

An analytical study of THz-waves' intensity measurement generated by Terahertz Parametric Oscillator (TPO) and detection of the THz pulses occurs via free-space electro optic detection by ZnTe crystal has been studied. The pump-probe technique has been used to observe the dynamics of an optically excited ZnTe electro-optic crystal. THz wave will be used as modulation source for electro-optical phenomena in ZnTe crystal. The THz pulses generated by TPO are 10-25 ns pulses at a repetition rate of 1Hz. ZnTe crystal is being used for intensity measurement of THz-waves. In this theoretical proposed experiment, a short pump pulse (THz-wave) and probe pulse (near IR laser) with duration of typically 10 to 25 ns interacts in the ZnTe. In electro-optic sampling the two effects namely Pockels effect and Kerr effect have been discussed and interaction of two beams from or transmission through the ZnTe, the probe pulse Intensity contains information about the THz-waves' intensity and so on.

Paper Details

Date Published: 22 February 2008
PDF: 8 pages
Proc. SPIE 6622, International Symposium on Photoelectronic Detection and Imaging 2007: Laser, Ultraviolet, and Terahertz Technology, 66220R (22 February 2008); doi: 10.1117/12.790796
Show Author Affiliations
Muhammad Siddique, Beijing Institute of Technology (China)
Suhui Yang, Beijing Institute of Technology (China)
Zhuo Li, Beijing Institute of Technology (China)
Ping Li, Beijing Institute of Technology (China)


Published in SPIE Proceedings Vol. 6622:
International Symposium on Photoelectronic Detection and Imaging 2007: Laser, Ultraviolet, and Terahertz Technology

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