Photonics/​Optics

Turning Thermal Energy into Electricity Could Help Soldiers

With the addition of sensors and enhanced communication tools, providing lightweight, portable power has become even more challenging. Army-funded research demonstrated a new...

Nonlinear Effects in Transformation Optics-Based Metamaterial Shields for Counter Directed Energy Weapon Defense

Applying an iterative solution to the Maxwell equations may accommodate the nonlinear effects produced by directed energy weapons.

Secure Wireless Communication System

pureLiFi has announced a new deal to supply the US Army Europe and Africa with Kitefin™, a next generation optical wireless communication system

Counter-Directed Energy Weapons: Defense of Air Assets

The global proliferation of directed energy weapon technology presents a new threat for the United States.

New Products: August 2021 Aerospace & Defense Technology

Coaxial connectors, tactical servers, test benches, surge protectors, and more.

NRL’s Hybrid Tiger UAV Soars at Demonstration

U.S. Naval Research Laboratory engineers recently demonstrated Hybrid Tiger, an electric unmanned aerial vehicle (UAV) with multi-day endurance flight capability. The team integrated...

A Comparative Evaluation of the Detection and Tracking Capability Between Novel Event-Based and Conventional Frame-Based Sensors

This research establishes a fundamental understanding of the characteristics of event-based sensors.

Characterization of Turbulent Unsteady Separation Using Photonic Micro-Skin Friction and Wall Pressure Sensors

Learn about a photonic skin friction and wall pressure sensor.

Frequency Agile Plasmonic Antennas and Sensors

A new way of assembling individual nanostructures will facilitate better design principles for plasmonic photonic devices.

An Ultrafast Testbed for Comprehensive Characterization of Photonics, Electronic, and Optoelectronic Properties of Integrated Nanophotonic Structures

High-speed testing technology will enable advances such as new digital signal processing and computing platforms in the optical domain.

Atomistic- and Meso-Scale Computational Simulations for Developing Multi-Timescale Theory for Radiation Degradation in Electronic and Optoelectronic Devices

One particular semiconductor, gallium arsenide (GaAs), has received considerable attention due to its potential electronic applications.

A Prototype Fuel Gauge for Orbit

Liquids aren’t as well behaved in space as they are on Earth. Inside a spacecraft, microgravity allows liquids to freely slosh and float about. The National Institute of Standards and Technology...

Analysis of Broadband Metamaterial Shielding for Counter-Directed Energy Weapons

Given the importance of electronics in modern warfare, the ability to rapidly develop a counter to such weapons will be essential to sustaining military operations.

Directed-Energy System to Defeat Small Unmanned Aircraft System Swarms

New weapons technology is needed to combat the proliferation of small unmanned aircraft systems (sUAS).

Thermal Management for Directed Energy Weapons

Advanced thermal management is one of the keys to bringing directed energy weapons online and to allow them to operate at peak performance.

Beam Propagation Model Selection for Millimeter-Wave Directed Energy Weapons

See how Modeling and Simulation (M&S) can be used to explore the design trade space of directed energy weapons.

Experimental Design of a UCAV-Based High-Energy Laser Weapon

The day of the first deployable UCAV armed with a high-energy laser weapon is not far away.

New Enhanced Visual Acuity System Will Help Pilots Fly More Safely

Collins Aerospace Systems, a unit of Raytheon Technologies Corp., is helping the U.S. Navy and Marine Corps transition from analog to digital night vision systems with...

Detection with Quantum Radar

A new radar prototype utilizes quantum entanglement as a method of object detection.

Photonic Microwave Generation Using On-Chip Optical Frequency Combs

A key building block of microwave photonics is optical frequency combs, which provide hundreds of equidistant and mutually coherent laser lines.

A Focal Plane Array and Electronics Model for CMOS and CCD Sensors in the AFIT Sensor and Scene Emulation Tool

Developing an improved model capable of generating realistic synthetic data that represents a wide range of systems can lead to new algorithms and data exploitation techniques.

Fabrication and Electrical Characterization of Correlated Oxide Field Effect Switching Devices for High Speed Electronics

The response of correlated oxides to strong electric fields and their dynamics is investigated using electrical transport measurements and electronic structure studies.

Wearable Device Camouflages Its Wearer Regardless of the Weather

Researchers at the University of California San Diego developed a wearable technology that can hide its wearer from heat-detecting sensors such as night vision goggles,...

Future Advances in Electronic Materials and Processes - Flexible Hybrid Electronics

There are still significant obstacles to the manufacture and use of flexible hybrid electronics in military applications.

Armoring Satellites to Survive and Operate Through Attacks

Satellites do a lot of things — they help people navigate from one place to another, they deliver television programming, they search for new stars and exo-planets and they enable...

Spatiotemporal Imaging Exploiting Structured Sparsity

Spatiotemporal imaging contains a large class of imaging problems, which involve collecting a sequence of data sets to resolve both the spatial and temporal (or spectral) distributions of...

Ultrafast Optics: Vector Cavity Lasers — Physics and Technology

Fiber lasers have found widespread applications in industrial material processing, scientific research and military systems due to their advantages of easy maintenance,...

Integration of Adaptive Optics Into High-Energy Laser Modeling And Simulation

The U.S. Navy is constantly predicting future threats and contemplating new weapon technologies to counter them. One of those technologies is directed-energy (DE)...