Photonics/​Optics

Optical Flow Visualization Applied to Jet Engine Testing

Working together with a local business and academic professionals at the University of Tennessee Space Institute, Arnold Engineering Development Complex (AEDC) team members at...

Multimode Optical Fiber Sensing

Although a vast majority of fiber optic strain sensors use single mode fiber, multimode fiber has a higher nonlinear threshold that enables higher light levels and lower noise.

Research Could Lead to Noise Reduction in Aircraft Engines

Through a Small Business Innovative Research contract awarded to MetroLaser, Inc., by the U.S. Navy, a system is being developed to measure the gas velocity of engine exhaust to...

Mounted Troops to Get High-Tech Situational Awareness Tools

Mounted armored vehicles such as the Bradley have long been used as heavy weapons platforms with long range sensors to hunt targets and provide armored transportation to...

Egypt’s Apache Helicopter Fleet to Get Upgraded Sensor Systems

Lockheed Martin received a $102 million contract award to upgrade 25 of Egypt’s AH-64D Apaches to the E-model version of the aircraft. This modernization for the Egyptian...

Researchers Developing Prototype of Next-Gen Night Vision Technology

Three University of Arkansas researchers — electrical engineering professor Shui-Qing “Fisher” Yu, Distinguished Professor Greg Salamo, and Jin Hu, assistant...

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.

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.

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).

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.