Electric screen Jauman absorber design algorithms

Nonmagnetic Ultrawideband Absorber With Optimal Thickness

“…Such an absorber is called Salisbury screen and possesses a narrow absorption bandwidth (around 26%). The bandwidth can be increased by adding more resistive sheets to the medium, λ/4 apart from each other, to construct Jaumann absorber [4,5]. Jaumann absorber broadens the absorption bandwidth in cost of total thickness increase.…”

Capacitive Circuit Method for Fast and Efficient Design of Wideband Radar Absorbers

“…The design of radar absorbers goes back to the world war II, where Salisbury [5] and Jaumann absorbers [2,3] were introduced. In these absorbers, homogenous resistive sheets with dierent resistivity values are placed a quarter of a wavelength (at midfrequency) apart to absorb power from the incident wave.…”

Multilayered Wire Media: Generalized Additional Boundary Conditions and Applications

“…Although, this procedure may seem simple for the single-layer structure, implementing it for the two-layer structure is a tedious task and, hence, that design procedure is not explained here for the sake of brevity. The other way is to use the numerical optimization techniques [27,28]. In order to understand the nature of the resonances or the wideband behavior of the two-layer mushroom absorber, here we will use the strategy that was implemented to study the wideband behavior of single-layer mushroom absorber, i.e., studying the reflection magnitude behavior for various R s ranging from 0 to ∞.…”

“…Since, the amount of energy lost or energy absorbed by the patch array is evaluated based on the value of R s , it is important to determine the right value of R s in designing wideband absorbers. The most common way is to use numerical optimization techniques such as [27,28], among others. However, discussion of these techniques is beyond the scope of this work.…”