Antennas

Say Goodbye to the Dots and Dashes to Enhance Optical Storage Media

To modernize optical storage, Purdue researchers are replacing Morse code with colored “digital characters.”

'm-Widar' Uses Radio Waves to Image Hidden Objects

With the help of 12 antennas, Fabio da Silva's m-Widar can spot — and image — objects hidden behind a wall.

Component Level Test Methodology for Phased Array Antennas

Antenna complexity continues to increase in satellite applications due to higher frequencies, wider bandwidth, and beamforming requirements. This 60-minute Webinar examines...

Nanosized Foldable Robots

The machines fold themselves within 100 milliseconds and can flatten and refold thousands of times.

Next-Generation MEMS IMUs — High Performance, Scalable

Editor Ed Brown explores what’s ahead for MEMS automobile navigation systems.

With 'Ghost'-Like Physics, Optical Rectennas Generate Power from Wasted Heat

Researchers from CU Boulder gave their optical "rectennas" a ghost-like way to turn wasted heat into power.

RFID-Based Rotary Position Sensor

Innovators have developed an RFID-based system for sensing the angular position of rotating systems. The RFID-Based Rotary Position Sensor can be used as a position/orientation sensor or implemented in a...

High-Power Microwaves for Launching Space-Bound Rockets

Using microwaves reduces the cost of launching rockets.

Underwater Navigation System Powered by Sound

This system enables battery-free ocean exploration with applications ranging from marine conservation to aquaculture.

CMOS-Based Transceiver for 300 GHz

This transceiver for wireless communications at the 300-GHz band enables beyond-5G applications.

NASA Brings Airport Communications into the Digital Age

Pilots and air traffic controllers no longer will rely solely on voice communications.

New Materials Boost Efficiency and Stability of Optical Rectennas

The improved rectennas could operate low-power devices such as temperature sensors.

A Better Sensor Detects Ice Build-Up, In Real Time

The sensor is able to detect ice formation far before you can see it occurring on a surface.

Q&A: 'Smellicopter' Uses Live Moth Antenna to Seek Out Smells

UW doctoral student Melanie Anderson explains how to make an autonomous 'Smellicopter' to navigate toward smells.

Novel Antenna Concept for CubeSat Platforms

While this technology was designed for CubeSats, it may be utilized in any technology that utilizes a structural frame, such as drones.

Toroidal Radiation Pattern Patch Antenna

The antenna is designed for use in extreme conditions such as outer space.

Vortex Radiometer for Wireless Communications

Any high-performance communication systems operating in RF or optical frequencies may benefit from this system.

Miniature Antenna Enables Robotic Teaming in Complex Environments

A low-frequency antenna with enhanced bandwidth will enable robust networking among compact, mobile robots.

Wave Energy Modeling for Safer Space Travel

What does wave energy have to do with space exploration? Plenty, it turns out.

Q&A: Soft Electronics Treat Heart Arrythmias

A new class of medical instruments uses flexible electronics to improve patient outcomes in minimally invasive surgeries.

Bio-Inspired Wing Design for Small Drones

Taking a cue from birds and insects, the wing design helps drones fly more efficiently and makes them more robust to atmospheric turbulence.

Electronically Controlled 2D Reflector Improves Microwave Communications

Flat-panel technology could transform antennas, wireless, and cellphone communications.

Product of the Month: September 2020 Tech Briefs

InnoSenT introduced the IMD-3000 radar system as an alternative to pushbutton switches.