scholarly journals Determination of Random Periodic Structures in Transverse Magnetic Polarization

2021 ◽  
Vol 37 (3) ◽  
pp. 271-296
Author(s):  
Gang Bao & Yiwen Lin
2018 ◽  
Vol 11 (2) ◽  
pp. 143-150 ◽  
Author(s):  
Yuchen Zhao ◽  
Fang Ren ◽  
Li He ◽  
Jinsheng Zhang ◽  
Yanning Yuan ◽  
...  

AbstractIn this paper, the design of a graded honeycomb radar absorbing structure (RAS) is presented to realize both a wide bandwidth and absorption over a wide range of angles. For both transverse-electric and transverse-magnetic polarization, a fractional bandwidth of more than 118.6% is achieved for at least a 10 dB reflectivity reduction when the incident angle is <45°, an 8 dB reduction when the incident angle is <55° and a 5 dB reduction when the incident angle is <70°. Meanwhile the 10 dB reduction upper angle limit is approximately 30° for the uniform coating honeycomb RAS in the literature, which loses its absorbing ability when the incident angle is larger than 55°. Furthermore, the total thickness of our design is 10.7 mm, which is only approximately 1.29 times that of the theoretical limitation. The good agreement between the calculated, simulated, and measured results demonstrates the validity of this optimization.


2007 ◽  
Vol 99 (8) ◽  
Author(s):  
L. Schnelzer ◽  
O. Waldmann ◽  
M. Horvatić ◽  
S. T. Ochsenbein ◽  
S. Krämer ◽  
...  

2014 ◽  
Vol 31 (10) ◽  
pp. 2321 ◽  
Author(s):  
Qi Huang ◽  
Tian-lin Dong ◽  
Boyuan Chen ◽  
Qingxia Li ◽  
Jiasheng Tian ◽  
...  

Author(s):  
M. V. Berry

In-plane (lateral) and out-of-plane (transverse) shifts in the direction of arbitrarily polarized electromagnetic waves in a denser medium, reflected totally or partially at an interface with a rarer medium, are calculated exactly, in terms of the deviation of the Poynting vector from radial. The shifts are analogous to the Goos–Hänchen and Fedorov–Imbert shifts for beams. There is a transverse shift even for unreflected dipole radiation if the polarization is not linear. With reflection, there is a transverse shift for linear polarization, provided this is not pure transverse electric or transverse magnetic. The contributions from the geometrical ray, the lateral ray that interferes strongly with it, and the large peak at the Brewster angle (for transverse magnetic polarization), are calculated asymptotically far from the geometrical image. At the critical angle, the lowest order asymptotics is inadequate and a more sophisticated treatment is devised, reproducing the exact shifts accurately.


Sign in / Sign up

Export Citation Format

Share Document