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Equivalent thin film model with complex refractive index of resonant micromesh
Author(s): Yongmeng Liu; Xv Liu ; Zelin Li; Chuanzhi Sun ; Enxiao Liu
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Paper Abstract

Resonant micromesh with a hexagonal periodic array of micrometer-sized circular apertures is an interesting alternative to non-resonant micromesh and has the potential for superior optical transmission, while providing adequate electromagnetic interference shielding for optical windows. This paper proposes an equivalent thin film model with complex refractive index for prediction of shielding effectiveness of resonant micromesh coating. Corrected equivalent reactance and sheet resistance are given considering the thickness and duty factor of resonant micromesh. And the effects on complex refractive index of resonant micromesh parameters are analyzed. The proposed equivalent thin film model can be used to evaluate shielding effectiveness of resonant micromesh coating for optical windows.

Paper Details

Date Published: 7 March 2019
PDF: 5 pages
Proc. SPIE 11053, Tenth International Symposium on Precision Engineering Measurements and Instrumentation, 110534U (7 March 2019); doi: 10.1117/12.2521224
Show Author Affiliations
Yongmeng Liu, Harbin Institute of Technology (China)
Xv Liu , Harbin Institute of Technology (China)
Zelin Li, AECC Shenyang Engine Research Institute (China)
Chuanzhi Sun , Harbin Institute of Technology (China)
Enxiao Liu, Harbin Institute of Technology (China)


Published in SPIE Proceedings Vol. 11053:
Tenth International Symposium on Precision Engineering Measurements and Instrumentation
Jiubin Tan; Jie Lin, Editor(s)

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