GaN provides the highest electron saturation velocity, breakdown voltage, operation
temperature, and thus the highest combined frequency-power performance among …

There has been intense interest in the use of millimetre wave and terahertz technology for
the detection of concealed weapons, explosives and other threats. Radiation at these …

The techniques and technologies currently being investigated to detect weapons and
contraband concealed on persons under clothing are reviewed. The basic phenomenology …

The microwave spectrum is one of the most valuable natural resource used nowadays in
communication, navigation, and remote sensing. With over a century of heritage, imaging …

This work presents one of the most powerful methods of plasma diagnosis in exquisite
detail, to guide researchers in the theory and measurement techniques of light scattering in …

This book is the second edition of the original book by John Sheffield, published in 1975,
which for a long time has been a standard textbook and reference book for graduate …

This paper presents a comprehensive theory for cohesive mathematical modeling and
simulation of THz imaging systems. For mathematical modeling of the point spread function …

A new class of circularly polarized (CP) Fabry-Perot cavity antennas is introduced that
maintain the simplicity of a linearly polarized primary feed and a single cavity structure. The …

A 95-GHz printed low-loss linear-to-circular polarizer is designed as a component of an
active direct-detection millimeter-wave imaging system. The periodic printed grid structure …

The authors present their ongoing work on terahertz heterodyne imaging techniques derived
from space science applications and components. In Part I, introductory information and …