Investigation of the diffraction efficiencies in binary surface-relief gratings with rounded corners

Kyongseok Kim; Hong Gyu Ahn; Seung Han Park

doi:10.3938/jkps.68.1132

Investigation of the diffraction efficiencies in binary surface-relief gratings with rounded corners

Kyongseok Kim, Hong Gyu Ahn, Seung Han Park

Department of Physics

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

The effect of corner rounding in a binary surface-relief grating on its diffraction efficiency is investigated by using a rigorous coupled-wave analysis. A super-Gaussian function is adopted to model the profiles of rectangular gratings with rounded corners. In particular, the diffraction efficiencies for transverse electric polarization are found to change significantly with the profile shapes of the reflection gratings while the transverse magnetic polarization causes clearly distinctive change in the efficiency for the transmission gratings.

Original language	English
Pages (from-to)	1132-1136
Number of pages	5
Journal	Journal of the Korean Physical Society
Volume	68
Issue number	9
DOIs	https://doi.org/10.3938/jkps.68.1132
Publication status	Published - 2016 May 1

Bibliographical note

Publisher Copyright:
© 2016, The Korean Physical Society.

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.3938/jkps.68.1132

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abstract = "The effect of corner rounding in a binary surface-relief grating on its diffraction efficiency is investigated by using a rigorous coupled-wave analysis. A super-Gaussian function is adopted to model the profiles of rectangular gratings with rounded corners. In particular, the diffraction efficiencies for transverse electric polarization are found to change significantly with the profile shapes of the reflection gratings while the transverse magnetic polarization causes clearly distinctive change in the efficiency for the transmission gratings.",

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AB - The effect of corner rounding in a binary surface-relief grating on its diffraction efficiency is investigated by using a rigorous coupled-wave analysis. A super-Gaussian function is adopted to model the profiles of rectangular gratings with rounded corners. In particular, the diffraction efficiencies for transverse electric polarization are found to change significantly with the profile shapes of the reflection gratings while the transverse magnetic polarization causes clearly distinctive change in the efficiency for the transmission gratings.

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Investigation of the diffraction efficiencies in binary surface-relief gratings with rounded corners

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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