Table 1.

Focal properties and radiation pattern parameters


Frequency, GHz
FL 1, mm
FWHM2, mm
DF3, mm
HPBW4, °
FNBW5, °
FSLL6, °
E-plane E-plane H-plane E-plane E-plane H-plane E-plane H-plane E-plane H-plane
H-plane H-plane
Analytical 99 22.3 2 2 7.8
λ0 = 3.03 mm 7.4 λ0 0.66 λ0 0.66 λ0 2.6 λ0
Simulation 99 22.5 2 2 7.8 4 3.6 14 10 −25 −19
λ0 = 3.03 mm 7.4 λ0 0.66 λ0 0.66 λ0 2.6 λ0
Experimental 99 23 2.1 2.1 9.64 4 3.6 9.5 9.5 −14 −12
λ0 = 3.03 mm 7.6 λ0 0.69 λ0 0.69 λ0 3.2 λ0
1

FL is the focal length.

2

FWHM is the full width at half maximum.

3

DF is the depth of focus.

4

HPBW is the half-power beam width.

5

FNBW is the first null beam width.

6

FSLL is the first side-lobe level.

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