Abstract
Background: Electromagnetic wave absorbers that has near perfect performance have been studied since 2008, various one dimensional and two dimensional structures have been optimized. High absorption at certain frequency can be easily realized. However, high absorption that covers broad band is relatively hard to realized.
Method: In this paper, a nickel nanograting is designed by using rigorous coupled wave analysis theory. The effect of grating height and grating width on absorption performance is analyzed physically by using equivalent medium theory and Fabry-Pérot resonate theory.
Results: Because of the intrinsic absorption character and the influence of F-P resonance, TM absorption shows periodically increase with the increasing of metal thickness. Absorption of the TE polarization slightly increases with the increasing of grating height. Peak absorption of TM polarization light can be gotten when DC of 0.52 is chosen, however, absorption performance of TE polarization light degrades seriously. In this paper, DC of 0.19 is chosen.
Conclusion: A one dimensional nickel grating based broadband absorber is analyzed in this paper. The proposed absorber has good absorption performance over the visible band, and shows no clear degradation over a wide incident angle (-40° to 40°).
Keywords: Nickel grating absorber, equivalent medium theory, fabry-pérot resonate theory, visible region, coupled wave analysis theory, broadband absorber.
Graphical Abstract
Micro and Nanosystems
Title:Design of One-dimensional Nickel Grating Based Broadband Absorber
Volume: 10 Issue: 2
Author(s): Wang Zhiwen*, Yuan Wei, Gong Jinliang and Guo Qianjian
Affiliation:
- Department of Mechanical Engineering, Shandong University of Technology, Shandong, 255000,China
Keywords: Nickel grating absorber, equivalent medium theory, fabry-pérot resonate theory, visible region, coupled wave analysis theory, broadband absorber.
Abstract: Background: Electromagnetic wave absorbers that has near perfect performance have been studied since 2008, various one dimensional and two dimensional structures have been optimized. High absorption at certain frequency can be easily realized. However, high absorption that covers broad band is relatively hard to realized.
Method: In this paper, a nickel nanograting is designed by using rigorous coupled wave analysis theory. The effect of grating height and grating width on absorption performance is analyzed physically by using equivalent medium theory and Fabry-Pérot resonate theory.
Results: Because of the intrinsic absorption character and the influence of F-P resonance, TM absorption shows periodically increase with the increasing of metal thickness. Absorption of the TE polarization slightly increases with the increasing of grating height. Peak absorption of TM polarization light can be gotten when DC of 0.52 is chosen, however, absorption performance of TE polarization light degrades seriously. In this paper, DC of 0.19 is chosen.
Conclusion: A one dimensional nickel grating based broadband absorber is analyzed in this paper. The proposed absorber has good absorption performance over the visible band, and shows no clear degradation over a wide incident angle (-40° to 40°).
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Cite this article as:
Zhiwen Wang*, Wei Yuan, Jinliang Gong and Qianjian Guo , Design of One-dimensional Nickel Grating Based Broadband Absorber, Micro and Nanosystems 2018; 10 (2) . https://dx.doi.org/10.2174/1876402910666181001101210
DOI https://dx.doi.org/10.2174/1876402910666181001101210 |
Print ISSN 1876-4029 |
Publisher Name Bentham Science Publisher |
Online ISSN 1876-4037 |
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