Electrical, Electronics, and Avionics
Fiber optics
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Articles Photonics/Optics
Positioning to Centimeter Level Improves Ag Productivity
Precision navigation, which is essential to autonomous machines, is knowing a moving vehicle’s absolute and relative position in 3D space accurately, reliably and repeatably....
Articles RF & Microwave Electronics
The Next Generation of Mission-Critical Communications Infrastructure is Here
The critical role of spectrum superiority in the success of battlefield campaigns is evidenced by the enormous investments being made in electronic warfare (EW)...
Briefs Test & Measurement
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.
News Imaging
Smart Tech Revolutionizing the Traffic Light
Every motorist has experienced the frustration of waiting at a red light when there is no traffic in sight. These days, countless household devices use sensors, cameras and connectivity to...
Articles Photonics/Optics
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.
Articles Test & Measurement
Speeding AV Testing with a Digital Twin
A European company has developed time-saving simulation software for users of the University of Michigan’s Mcity CAV (connected and autonomous vehicle) testing facility in Ann Arbor. It has...
Articles RF & Microwave Electronics
Ruggedizing Coaxial and Fiber Optic Cable Assemblies from Mechanical Strain
Learn how to protect critical conductors, dielectric, and optical fibers from deforming, cracking, or unraveling
Articles Photonics/Optics
Understanding Fiber Optic Transceiver Design and Test Rules
The design of avionics systems must balance several factors. First, engineers want to increase the performance of the systems installed in aircraft or spacecraft. Second, they want...
Technical Innovation Mechanical & Fluid Systems
SKF Employs Digital Tools to Enhance Bearing Design, Performance
It began with spherical roller bearings more than 100 years ago and now SKF finds itself amid a digital transformation. Over the years the bearing company has expanded...
News Photonics/Optics
The Rodney Dangerfield of Automated-Driving Sensors?
The emerging era of highly-automated driving comes courtesy of much-vaunted sensor technology—spinning lasers, penetrating radar and sonar blips. But the sensor that gets the least...
Articles Aerospace
Optical Interconnect Design Challenges in Space
More and more aerospace applications are incorporating fiber optics technology into their designs due to its many advantages over copper. The thinner fiber solutions provide higher speed over a...
Articles Communications
Laser-Based System Could Expand Space-to-Ground Communication
A new research project announced recently as a collaboration between the Georgia Institute of Technology and satellite communications provider Xenesis could help open the...
Articles Robotics, Automation & Control
Validation of Ubiquitous 2D Radar
Seastema SpA, a company owned by Fincantieri (Genova, Italy), designs, develops, and supplies integrated automation systems for different areas of the marine industry. The company established an Innovation...
Articles Electronics & Computers
New Technologies Tackle UAV Challenges
Unmanned vehicles for air, land, and water represent an increasingly-important capability for virtually all military services worldwide. Because each new generation of device technology promises...
Articles Electronics & Computers
Communications in Space: A Deep Subject
Transmitting and receiving radio signals between spacecraft in deep space is a snap compared with getting those signals back to Earth, especially when the spacecraft is 120 billion miles away.
Articles Photonics/Optics
Identifying and Isolating Signals Using Radio Frequency Photonics
A single antenna can be used for both transmission and reception. To accomplish this, the transmission must be isolated from the reception. In Figure 1, a radio frequency...
Briefs Aerospace
Laser Integration on Silicon Photonic Circuits Through Transfer Printing
The purpose of this project was to develop a transfer printing process for the massively parallel integration of III-V lasers on silicon photonic integrated circuits....
Articles Aerospace
Flat Cable Technology for Aerospace Applications
There are those who think all cables are created equal. Well, they're not.
Articles RF & Microwave Electronics
EMI Analysis Software Helps Telescope Group Simulate RFI Mitigation
Challenging Einstein’s seminal theory of relativity to the limits, how the very first stars and galaxies formed just after the Big Bang, the study of dark energy and the...
Articles Unmanned Systems
Achieving Performance Advantages in Unmanned Systems
Unmanned Vehicle Systems (UVS) are reaching new levels of functionality and performance, and it’s not just for air vehicles either. Ground and underwater UVS programs are all taking...
Articles Aerospace
COTS Embedded Systems and Link Budgets
The days of proprietary embedded computing systems in military systems are numbered. Proprietary systems, with the attendant vendor lock-in, tend to be platform specific, increasing the development and...
Briefs Manufacturing & Prototyping
Silicon Microsphere Fabrication
The efficiency and methodology of coupling light into microcavities has improved exponentially in the last decade. One such advancement is coupling light onto silicon microspheres. The material, size, and...
Articles Defense
RF Photonics for Avionics Signal Processing
The maturity of RF photonic components has reached the point where fiber optic links are being system-tested to replace traditional copper coax links on avionic platforms. Many demonstrations of RF...
Briefs Physical Sciences
Automatic-Alignment Fiber Optic Coupling System for Optimal Signal Transmission
Using the current method of characterizing waveguides manufactured for research in optical communications, it can take up to 8 hours to characterize the...
Articles Data Acquisition
Small Form Factor Strategies for Military Embedded Systems
The proliferation of unmanned military vehicles tasked with critical communications and radar requirements drives the need for powerful data acquisition and signal processing...
Articles Defense
Free Space Optical Communications System for Advancing Superiority on the Battlefield
Fixed and tactical information networking, especially for defense applications, has begun to require increasing data transmission capacity as the...
Articles Photonics/Optics
Beam Irradiance on Target System (BITS)
The Beam Irradiance on Target System (BITS) is a high energy laser (HEL) sensor array that directly measures the beam irradiance profile of HEL weapons. The BITS is a sensor array composed of 105...
Briefs Physical Sciences
Distributed Fiber Optic Sensing for Homeland Security
To address the need to protect our borders and critical infrastructure, fiber optic sensing technology developed for antisubmarine warfare applications has been adapted to homeland...
Briefs Photonics/Optics
Rare-Earth-Doped Soft Glass Optical Fibers for Coherent Wavelength Sources Above 2 Microns
Rare-earth-doped soft glass optical fibers were developed and characterized for fiber lasers emitting at wavelengths longer than 2 microns to allow...
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Army Launches M1E3 Tank Development, Cancels M1 Abrams Upgrade Program -...
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Research Lab
What Really Changed: A Look at the Updated FDA Guidance Document...
Power
Electrifying Off-Highway Drivetrains
Electronics & Computers
NVH Prediction in Electric Powertrains: Considering Inverter and...
Manufacturing & Prototyping
The Smaller the Part, the Bigger the Advantages of Miniature Aluminum Extrusions
Aerospace
Here's an Idea: How AI is Changing Military Aircraft Maintenance and More
Medical
Precision, Control and Repeatability: Harnessing the Power of UV Curing in...