Quasi-optical techniques

PF Goldsmith - Proceedings of the IEEE, 1992‏ - ieeexplore.ieee.org
The basic theory of quasi-optical Gaussian beam propagation and beam transformation by
simple optical elements is summarized, and coupling to and between Gaussian beams is …

Reconfigurable metasurface: A systematic categorization and recent advances

C Liu, F Yang, S Xu, M Li - Electromagnetic Science, 2023‏ - ieeexplore.ieee.org
Considering the rapid progress of theory, design, fabrication and applications, metasurfaces
(MTSs) have become a new research frontier in microwave, terahertz and optical bands …

Terahertz technology

PH Siegel - IEEE Transactions on microwave theory and …, 2002‏ - ieeexplore.ieee.org
Terahertz technology Page 1 910 IEEE TRANSACTIONS ON MICROWAVE THEORY AND
TECHNIQUES, VOL. 50, NO. 3, MARCH 2002 Terahertz Technology Peter H. Siegel, Fellow …

[PDF][PDF] Frequency selective surfaces

TK Wu - Encyclopedia RF Microwave Engineering, 1995‏ - researchgate.net
A frequency-selective surface (FSS) is a structure consisting most typically of two-
dimensional periodic elements, as depicted in Fig. 1, which exhibits frequency filtering …

Space-energy digital-coding metasurface based on an active amplifier

L Chen, Q Ma, HB **g, HY Cui, Y Liu, TJ Cui - Physical review applied, 2019‏ - APS
The metasurface has aroused broad enthusiasm due to its splendid properties for
electromagnetic (EM) wave manipulations. However, most previous metasurfaces, including …

Progress in active integrated antennas and their applications

Y Qian, T Itoh - IEEE Transactions on Microwave Theory and …, 1998‏ - ieeexplore.ieee.org
Active integrated antennas (AIAs) provide a new paradigm for designing modern microwave
and millimeter-wave architecture with desirable features such as compactness, light weight …

THz technology: An overview

PH Siegel - International Journal of High Speed Electronics and …, 2003‏ - World Scientific
THz Technology: An Overview Page 1 Vol. 13, No. 2 (2003) 351-394 %fe World Scientific ' v ' « •
www.worldscientific.com International Journal of High Speed Electronics and Systems US* lii …

Ultrathin active polarization-selective metasurface at X-band frequencies

J Lončar, A Grbic, S Hrabar - Physical Review B, 2019‏ - APS
An ultrathin active polarization-selective metasurface is designed and optimized for
operation in the X band. The metasurface leverages the design of a previously reported …

A 100-element HBT grid amplifier

M Kim, EA Sovero, JB Hacker… - IEEE Transactions …, 1993‏ - ieeexplore.ieee.org
A 100-element 10-GHz grid amplifier has been developed. The active devices in the grid are
chips with heterojunction-bipolar-transistor (HBT) differential pairs. The metal grid pattern …

Efficient procedures for the optimization of frequency selective surfaces

A Fallahi, M Mishrikey, C Hafner… - IEEE Transactions on …, 2008‏ - ieeexplore.ieee.org
Eight different optimization algorithms are applied to determine the best configuration of a
patch unit cell of a frequency selective surface used as a radar absorbing material. The …