Title :
Waffle-grid polariser
Author :
Leong, K.M.K.H. ; Shiroma, W.A.
Author_Institution :
Dept. of Electr. Eng., California Univ., Los Angeles, CA, USA
fDate :
10/24/2002 12:00:00 AM
Abstract :
A linear-to-circular polarisation converter consisting of four cascaded grids is presented. The grid geometry is a modified version of a strip grating, forming a waffle-grid pattern. The measured axial ratio is 1.5 dB and the insertion loss is 0.9 dB at 4 GHz.
Keywords :
S-parameters; antenna accessories; computational electromagnetics; electromagnetic wave polarisation; horn antennas; method of moments; microstrip antenna arrays; 0.9 dB; 4 GHz; S-parameters; axial ratio; capacitive path; cascaded grids; full-wave electromagnetic simulation; induced phase shift; inductive path; insertion loss; linear-to-circular polarisation converter; method-of-moments; modified strip grating; transmission loss; waffle-grid polariser;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20020885
