Loss-bandwidth product for frequency selective surfaces

13 February 1992

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 28 (4) , 365
https://doi.org/10.1049/el:19920228

Abstract

Measurements of the transmission/frequency responses of slot arrays embedded centrally in dielectric layers of various thicknesses show an inverse relationship between the 6 dB width of the transmission band and passband loss. For ε_r = 4.6, tan δ = 0.02 the losses exceed 1 dB for bandwidths below about 25%. A computer model identifies absorption in the dielectric as the main source of the loss.

Keywords

FREQUENCY SELECTIVE SURFACES
LOSS BANDWIDTH PRODUCT
SLOT ARRAYS
MICROWAVE ANTENNA
DIELECTRIC ABSORPTION
DIELECTRIC LAYERS
LOSS TANGENT
COMPUTER MODEL
PASSBAND LOSS
DIPOLE SLOT ARRAY
TRANSMISSION BANDWIDTH
TRANSMISSION/FREQUENCY RESPONSES

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