Study on the polarization dependency of diffraction efficiency of perfectly conducting blazed gratings

Shuping Li; Tiantong Tang; Jingping Zhu

doi:10.1117/12.791068

12 March 2008 Study on the polarization dependency of diffraction efficiency of perfectly conducting blazed gratings

Shuping Li, Tiantong Tang, Jingping Zhu

Proceedings Volume 6624, International Symposium on Photoelectronic Detection and Imaging 2007: Optoelectronic System Design, Manufacturing, and Testing; 66240H (2008) https://doi.org/10.1117/12.791068
Event: International Symposium on Photoelectronic Detection and Imaging: Technology and Applications 2007, 2007, Beijing, China

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.

Citation Download Citation

Shuping Li, Tiantong Tang, and Jingping Zhu "Study on the polarization dependency of diffraction efficiency of perfectly conducting blazed gratings", Proc. SPIE 6624, International Symposium on Photoelectronic Detection and Imaging 2007: Optoelectronic System Design, Manufacturing, and Testing, 66240H (12 March 2008); https://doi.org/10.1117/12.791068

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