Abstract
This work reports the design and fabrication process used to create a new class of ultrathin inkjet printed microwave absorbers. The arrangement is composed of a lossy Frequency Selective Surface (FSS) placed above a ground plane to form a
resistive High Impedance Surface (HIS). The thickness of the three absorbers investigated range from λ/58 to λ/223. These extremely thin structures present design and manufacturing challenges to achieve the desired energy absorption (> 90%)
over a useable (−10 dB) bandwidth. Numerical optimisation of the surface resistance and topology of the FSS pattern gives values of 7% (λ/58) and 1.5% (λ/223) for absorbers working at normal incidence. The digital settings used in a desktop inkjet printer to obtain the required surface resistance value of the metallised FSS patterns are obtained by curve fitting numerical simulations to experimentally obtained transmission coefficients.
Original language | English |
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Number of pages | 6 |
Publication status | Accepted - 14 Aug 2018 |
Event | The Loughborough Antennas & Propagation Conference 2018 - Burleigh Court Hotel, Loughborough, United Kingdom Duration: 12 Nov 2018 → 13 Nov 2018 Conference number: 2018 https://events.theiet.org/lapc/index.cfm |
Conference
Conference | The Loughborough Antennas & Propagation Conference 2018 |
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Abbreviated title | LAPC |
Country | United Kingdom |
City | Loughborough |
Period | 12/11/2018 → 13/11/2018 |
Internet address |
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Student Theses
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Stealth technologies based on thin microwave FSS absorbers
Author: Gonçalves Machado, G., Jul 2021Supervisor: Cahill, R. (Supervisor), Fusco, V. (Supervisor) & Conway, G. (Supervisor)
Student thesis: Doctoral Thesis › Doctor of Philosophy
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