Double-layer interlaced nested multi-ring array metallic mesh for high-performance transparent electromagnetic interference shielding

We report a nested multi-ring array metallic mesh (NMA-MM) that shows a highly uniform diffraction pattern theoretically and experimentally. Then a high-performance transparent electromagnetic interference (EMI) shielding structure is constituted by the double-layer interlaced NMA-MMs separated by t...

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Bibliographic Details
Published in:Optics letters 2017-04, Vol.42 (8), p.1620-1623
Main Authors: Wang, Heyan, Lu, Zhengang, Liu, Yeshu, Tan, Jiubin, Ma, Limin, Lin, Shen
Format: Article
Language:English
Subjects:
Arrays
Degradation
Devices
Diffraction patterns
Electromagnetic interference
Electromagnetic interference shielding
Image quality
Opacity
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Description
Summary:We report a nested multi-ring array metallic mesh (NMA-MM) that shows a highly uniform diffraction pattern theoretically and experimentally. Then a high-performance transparent electromagnetic interference (EMI) shielding structure is constituted by the double-layer interlaced NMA-MMs separated by transparent quartz-glass substrate. Experimental results show that double-layer interlaced NMA-MM structure exhibits a shielding effectiveness (SE) of over 27 dB in the Ku-band, with a maximal SE of 37 dB at 12 GHz, normalized optical transmittance of 90%, and minimal image quality degradation due to the interlaced arrangement. It thus shows great potential for practical applications in transparent EMI shielding devices.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.42.001620