This article reviews the application and technology advancement of gallium (Ga)-based
liquid metal (LM) in high-frequency circuits and antennas. It discusses the material …

Wireless communication has led to an explosive growth of emerging consumer and military
applications of radio frequency (RF), microwave and millimeter wave circuits and systems …

Metasurfaces, two-dimensional equivalents of metamaterials, are engineered surfaces
consisting of deep subwavelength features that have full control of the electromagnetic …

Microstrip patch antennas were first proposed in the early 1970s and since then a plethora
of activity in this area of antenna engineering has occurred, probably more than in any other …

Multiferroic materials and devices have attracted intensified recent interests due to the
demonstrated strong magnetoelectric (ME) coupling in new multiferroic materials and …

RF MEMS technology was initially developed as a replacement for GaAs HEMT switches
and pin diodes for low-loss switching networks and X-band to mm-wave phase shifters …

We propose the concept and design of terahertz (THz) phase shifters for phased antenna
arrays based on integrally-gated graphene parallel-plate waveguides (GPPWGs). We show …

Photonics is a fast and galloping technology related to both microwave and optics science.
Photonics is a very vast and distinctive field in recent days. Due to the enlarged difficulty of …

The RF community has long been searching for the ideal switch since the birth of
electronics, and it is defined as a device having virtually no insertion loss (Ron= 0 Ω) over a …

This paper describes a reconfigurable millimeter-wave lens-array antenna based on
monolithically integrated microelectromechanical systems (MEMS) switches. This device is …