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Circularly polarized bowtie‐shaped dielectric resonator antenna excited with asymmetric cross slot
Author(s) -
Chauthaiwale Prachi,
Chaudhary Raghvendra Kumar,
Srivastava Kumar Vaibhav
Publication year - 2015
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.29153
Subject(s) - dielectric resonator antenna , excited state , turnstile antenna , optics , circular polarization , dielectric resonator , physics , microwave , microstrip antenna , bandwidth (computing) , microstrip , dielectric , axial ratio , resonator , slot antenna , antenna (radio) , optoelectronics , electrical engineering , telecommunications , atomic physics , engineering , quantum mechanics
A circularly polarized bowtie‐shaped dielectric resonator antenna (DRA) excited by an asymmetric cross‐shaped slot, fed by a microstrip line has been proposed in this article. The proposed antenna structure achieves a 3‐dB axial ratio bandwidth of 7.4%. An impedance bandwidth of 43.8% has been obtained for circularly polarized bowtie‐shaped DRA. © 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 57:1723–1727, 2015
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