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Ka‐band antipodal fermi‐linear tapered slot antenna with a knife edge corrugation
Author(s) -
Phalak Kiran D.,
Briqech Zouhair,
Sebak Abderazil
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.28880
Subject(s) - antipodal point , optics , return loss , side lobe , slot antenna , microwave , radiation pattern , frequency band , physics , bandwidth (computing) , linear polarization , radiation , antenna (radio) , materials science , telecommunications , engineering , geometry , mathematics , laser , quantum mechanics
An antipodal Fermi‐linear tapered slot antenna (AFLTSA) is presented for Ka‐band applications. A substrate integrated waveguide is used to excite the tapered slot. The proposed design has a measured 26–40 GHz wide impedance bandwidth with a return loss below 15 dB. It maintains a flat gain of 16 dB over an entire frequency band. The knife edges are corrugation profile of AFLTSA exhibits side lobe level of −14 dB in H plane and −19 dB in E plane. It has a symmetric radiation pattern as well as a cross polarization level of −22 dB. © 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 57:485–489, 2015
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