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Proceedings Paper

Optimum design of THZ spectrum diffractive gratings
Author(s): Ying Liu
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Paper Abstract

Rigorous coupled-wave analysis is used to calculate the diffraction efficiency of THZ spectrum gratings. The ratios of grating periods and wavelengths and the ratios of grating depths and wavelengths of different type gratings are analyzed in this paper. Calculated results show that if the ratios of grating periods and wavelengths approximately equal to 1 and the grating depths greater than1.5, high diffractive efficiency of TE and TM polarization of symmetrical shape gratings will be got.

Paper Details

Date Published: 4 November 2010
PDF: 6 pages
Proc. SPIE 7854, Infrared, Millimeter Wave, and Terahertz Technologies, 785420 (4 November 2010); doi: 10.1117/12.870930
Show Author Affiliations
Ying Liu, Institute of Armored Force Engineering (China)


Published in SPIE Proceedings Vol. 7854:
Infrared, Millimeter Wave, and Terahertz Technologies
Cunlin Zhang; Xi-Cheng Zhang; Peter H. Siegel; Li He; Sheng-Cai Shi, Editor(s)

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