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Proceedings Paper

The research on the optimum working conditions of photoconductive antenna
Author(s): Wei Shi; Yang Dai; Like Zhang; Lei Yang; Zhijin Yan; Suguo Chen; Lei Hou
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Paper Abstract

The photoconductive antenna (PCA) is one of the most common devices to generate terahertz (THz) wave, whose radiation efficiency is largely determined by the working conditions. In order to improve the power of THz wave, the influence of pump laser and bias voltage on the intensity of the THz wave radiated by PCA was studied through experiment and the optimum working conditions of PCA was obtained through the theoretical analysis, these are the maximum safe voltage and saturated laser energy. Only under the optimum conditions can the signal-to-noise ratio(SNR)of THz wave radiated by PCA be the highest and the PCA would not breakdown.

Paper Details

Date Published: 5 November 2015
PDF: 7 pages
Proc. SPIE 9795, Selected Papers of the Photoelectronic Technology Committee Conferences held June–July 2015, 97953F (5 November 2015); doi: 10.1117/12.2212504
Show Author Affiliations
Wei Shi, Xi’an Univ. of Technology (China)
Yang Dai, Xi’an Univ. of Technology (China)
Like Zhang, Xi’an Univ. of Technology (China)
Lei Yang, Xi’an Univ. of Technology (China)
Zhijin Yan, Xi’an Univ. of Technology (China)
Suguo Chen, Xi’an Univ. of Technology (China)
Lei Hou, Xi’an Univ. of Technology (China)


Published in SPIE Proceedings Vol. 9795:
Selected Papers of the Photoelectronic Technology Committee Conferences held June–July 2015
Shenggang Liu; Songlin Zhuang; Michael I. Petelin; Libin Xiang, Editor(s)

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