TY - JOUR
T1 - A Triple-Band Absorber with Wide Absorption Bandwidths Using Impedance Matching Theory
AU - Mei, Peng
AU - Zhang, Shuai
AU - Lin, Xianqi
AU - Pedersen, Gert F.
PY - 2019/3
Y1 - 2019/3
N2 - This letter presents multi-band absorbers with wide absorption bandwidths based on impedance matching theory. A wideband absorber with good absorption performance is served as a matching load for multi-band bandpass frequency selective surface (FSS) filters. As a result, the reflection coefficients of the proposed absorbers are in high accordance with the counterparts of the original bandpass FSS filters. For demonstration, a triple-band absorber with wide absorption bandwidths is designed and fabricated by cascading a triple-band bandpass FSS filter and wideband absorber together. The simulated results reveal that the proposed absorber has wide fractional bandwidths of 5.2 %, 8.0 %, and 6.4%, which is experimentally validated by the measured results.
AB - This letter presents multi-band absorbers with wide absorption bandwidths based on impedance matching theory. A wideband absorber with good absorption performance is served as a matching load for multi-band bandpass frequency selective surface (FSS) filters. As a result, the reflection coefficients of the proposed absorbers are in high accordance with the counterparts of the original bandpass FSS filters. For demonstration, a triple-band absorber with wide absorption bandwidths is designed and fabricated by cascading a triple-band bandpass FSS filter and wideband absorber together. The simulated results reveal that the proposed absorber has wide fractional bandwidths of 5.2 %, 8.0 %, and 6.4%, which is experimentally validated by the measured results.
KW - Bandpass filter
KW - Electromagnetic absorber
KW - Frequency selective surfaces (FSSs)
KW - Impedance matching
UR - http://www.scopus.com/inward/record.url?scp=85062608420&partnerID=8YFLogxK
U2 - 10.1109/LAWP.2019.2895971
DO - 10.1109/LAWP.2019.2895971
M3 - Journal article
SN - 1536-1225
VL - 18
SP - 521
EP - 525
JO - IEEE Antennas and Wireless Propagation Letters
JF - IEEE Antennas and Wireless Propagation Letters
IS - 3
M1 - 8629031
ER -