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Proceedings Paper

Intense terahertz antenna array with interdigital electrodes
Author(s): Lei Hou; Wei Shi; Ming Xu
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Paper Abstract

In this work a powerful terahertz antenna array with interdigital electrodes is fabricated, and the performance of one antenna unit is compared with a conventional resonant dipole antenna. The antenna unit has a better capacity of generating THz wave compared with a conventional resonant dipole antenna at the same bias electrical field and the same laser energy. However only 23 % of THz wave transmitted through the ceramic substrate of antenna array, if there is a hole drilled through ceramic substrate to release the THz wave, the THz amplitude of entire interdigital antenna array with 8 antenna units can be more than 10 times larger than that of resonant dipole antenna. To get this result, the pump beam is focused into a linear beam by a cylindrical lens to trigger the antenna array, and the linear THz wave is focused by a polyethylene lens before it reaches ZnTe crystal.

Paper Details

Date Published: 16 February 2009
PDF: 6 pages
Proc. SPIE 7277, Photonics and Optoelectronics Meetings (POEM) 2008: Terahertz Science and Technology, 727703 (16 February 2009); doi: 10.1117/12.819267
Show Author Affiliations
Lei Hou, Xi’an Univ. of Technology (China)
Wei Shi, Xi’an Univ. of Technology (China)
Ming Xu, Xi’an Univ. of Technology (China)


Published in SPIE Proceedings Vol. 7277:
Photonics and Optoelectronics Meetings (POEM) 2008: Terahertz Science and Technology
Jianquan Yao; Shenggang Liu; Xi-Cheng Zhang, Editor(s)

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