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Proceedings Paper

Study on the polarization dependency of diffraction efficiency of perfectly conducting blazed gratings
Author(s): Shuping Li; Tiantong Tang; Jingping Zhu
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Paper Abstract

The diffraction properties for blazing -3 order of the perfectly conducting blazed gratings in the Littrow mounting under the polarized incident beam is investigated by numerical simulation. The diffractive electromagnetic fields for S and P polarized incident lights are calculated numerically using TDFD method. The field distribution of the electromagnetic field in the near groove area is analyzed, and the polarization dependency of diffraction efficiency is studied. The spectral characteristics in 1530~1566 nm range is given. It is proved that the efficiency for S polarized incident light is higher than that of P polarized one and it is not sensitive to the blazed angle. The spectral characteristic is flat within the fiber communication spectrum range.

Paper Details

Date Published: 12 March 2008
PDF: 7 pages
Proc. SPIE 6624, International Symposium on Photoelectronic Detection and Imaging 2007: Optoelectronic System Design, Manufacturing, and Testing, 66240H (12 March 2008); doi: 10.1117/12.791068
Show Author Affiliations
Shuping Li, Xi'an Jiaotong Univ. (China)
Tiantong Tang, Xi'an Jiaotong Univ. (China)
Jingping Zhu, Xi'an Jiaotong Univ. (China)


Published in SPIE Proceedings Vol. 6624:
International Symposium on Photoelectronic Detection and Imaging 2007: Optoelectronic System Design, Manufacturing, and Testing

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