RF & Microwave Electronics

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.

Imaging Space Debris in High Resolution

A team has introduced a new method for taking high-res images of fast-moving and rotating objects in space, such as satellites or debris in low-Earth orbit.

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.

Optimized Wavelength-Tuned, Nonlinear, Frequency Conversion Using a Liquid Crystal Clad Waveguide

Applications include spectroscopy and LiDAR.

Metasurface Focuses Transmissions in the Terahertz Band

Assembling tiny chips into unique programmable surfaces dramatically increases the amount of data wireless systems can transmit.

Ultrasonic Projector

A chip-based technology generates sound profiles with high resolution and intensity to make ultrasound therapy more effective and easier.

New Materials Boost Efficiency and Stability of Optical Rectennas

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

Sensitive Optical Receivers for Space

This concept could help break through the present-day data-return bottleneck in deep space missions.

Kodiak 3D LiDAR

This system provides low-cost, reliable 3D LiDAR images in nearly any lighting condition.

Low-Energy Nanolaser Shines in all Directions

Compared to a LED, the omnidirectional laser light is much brighter and better defined.

Energy-Harvesting Device Turns Wi-Fi Signals into Usable Power

This device for harnessing terahertz radiation might enable self-powering implants, cellphones, and other portable electronics.

Microstrip Circuit and Material Characterization System

The system enables measurement of active or passive microstrip line devices with DC probing capability.

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.

Cascaded Offset Optical Modulator

This subsystem is used in free-space optical communications and fiber-optic communications.

Terahertz Receiver for 6G Wireless Communications

The device enables ultra-fast wireless communications at low cost.

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.

Self-Assembling Robot Cubes Form Various Structures

The robot blocks jump, spin, flip, and identify each other.

Radar Enables Cars to Spot Hazards Around Corners

Using radar commonly deployed to track speeders and fastballs, the automated system “sees” around corners to spot oncoming traffic and pedestrians.

“One-Way” Electronic Devices

These non-reciprocal devices on a compact chip pave the way for applications from two-way wireless to quantum computing.

Testing Swarming Drones

This system has a capacity of more than 1,500 times the volume of a typical testing facility.

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.

Combined Optical Transmitter and Receiver

The tiny unit is significant for the miniaturization of optoelectronic systems.

Quantum Sensor Enables Wide Spectral Coverage

The sensor could provide a way to detect communication signals over the entire radio frequency from 1 to 100 GHz.

Electronic Diodes Demonstrate Performance Beyond 5G

Applications include high-speed communications, networking, and sensing.

Electronically Controlled 2D Reflector Improves Microwave Communications

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