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New leaky-wave antenna for millimetre waves constructed from groove NRD waveguide

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2 Author(s)
Wen-Xun Zhang ; Nanjing Institute of Technology, Electromagnetics & Microwaves Research Laboratory, Nanjing, China ; Lei Zhu

A new leaky-wave antenna constructed from a groove non-radiative dielectric (GNRD) waveguide is presented. The GNRD leaky-wave antenna overcomes the difficulty of assembling precisely the dielectric strip in the NRD leaky-wave antenna, and is superior to the NRD leaky-wave antenna of the same size in the radiation pattern. The propa-gation and radiation characteristics of the GNRD leaky-wave antenna are analysed by use of the transverse resonance method. The theoretical results are in good agreement with experimental data.

Published in:

Electronics Letters  (Volume:23 ,  Issue: 22 )