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Broadband transparent and flexible silver mesh for efficient electromagnetic interference shielding and high-quality free-space optical communication
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- Lei, Qiyun (författare)
- Zhejiang Univ, Ctr Opt & Electromagnet Res, Natl Engn Res Ctr Opt Instruments, Coll Opt Sci & Engn, Hangzhou 310058, Peoples R China.
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- Luo, Zhonglin (författare)
- Zhejiang Univ, Ctr Opt & Electromagnet Res, Natl Engn Res Ctr Opt Instruments, Coll Opt Sci & Engn, Hangzhou 310058, Peoples R China.
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- Zheng, Xinyi (författare)
- Zhejiang Univ, Ctr Opt & Electromagnet Res, Natl Engn Res Ctr Opt Instruments, Coll Opt Sci & Engn, Hangzhou 310058, Peoples R China.
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- Zhejiang Univ, Ctr Opt & Electromagnet Res, Natl Engn Res Ctr Opt Instruments, Coll Opt Sci & Engn, Hangzhou 310058, Peoples R China Zhejiang-KTH Joint Research Center of Photonics, JORCEP (creator_code:org_t)
- Optica Publishing Group, 2023
- 2023
- Engelska.
- Ingår i: Optical Materials Express. - : Optica Publishing Group. - 2159-3930 .- 2159-3930. ; 13:2, s. 469-483
- Tidskriftsartikel (refereegranskat)
Abstract
Ämnesord
Stäng
- A broadband transparent and flexible silver (Ag) mesh is presented experimentally for the first time for both efficient electromagnetic interference (EMI) shielding in the X band and high-quality free-space optical (FSO) communication. High transmission is achieved in a broad wavelength range of 0.4-2.0 mu m. The transmittance of the Ag mesh relative to the substrate is around 92% and the sheet resistance is as low as 7.12 ohm/sq. The Ag mesh/polyethylene (PE) achieves a high average EMI shielding effectiveness (SE) of 28.8 dB in the X band with an overall transmittance of 80.9% at 550 nm. High-quality FSO communication with small power penalty is attributed to the high optical transmittance and the low haze at 1550 nm, superior to those of the Ag NW networks. With a polydimethylsiloxane (PDMS) coating, the average EMI SE is still up to 26.2 dB and the overall transmittance is increased to 84.5% at 550 nm due to antireflection. The FSO communication does not change much due to the nearly unchanged optical property at 1550 nm. Both the EMI shielding performance and the FSO communication function maintain after 2-hour chemical corrosions as well as after 1000 bending cycles and twisting. Our PDMS/Ag mesh/PE sandwiched film can be self-cleaned, suitable for outdoor applications.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
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- Lei, Qiyun
- Luo, Zhonglin
- Zheng, Xinyi
- Lu, Na
- Zhang, Yiming
- Huang, Jianfeng
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- Yang, Liu
- Gao, Shiming
- Liang, Yiyong
- He, Sailing
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