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Ultracompact, High-Speed Field-Effect Optical Modulators

The major goals of this research project included two parts. First, an ultracompact plasmonic electro-optical (EO) modulator was to be developed and investigated for efficient intensity modulation. Second, an ultracompact and high-speed EO modulator based on a dielectric platform was to be developed for straightforward integration with existing CMOS technology. Both modulators were targeted to facilitate next-generation interconnects for integrated photonic circuits.

Posted in: Briefs, Aerospace
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New Products: September 2018 Aerospace & Defense Technology

Pin Fin Heat Sinks

Advanced Thermal Solutions, Inc. (ATS) (Norwood, MA) has a family of Pin Fin heat sinks designed as cost-effective solutions for systems with adequate airflow. The high aspect ratio design enables ATS Pin Fin heat sinks to provide low thermal resistance from base to fins in systems where the airflow measures 200-plus LFM (linear feet per minute). The cross-cut design also allows the Pin Fin heat sinks to be effective in systems where airflow is ambiguous.

Posted in: Products, Aeronautics, Aerospace, Aviation, Data Acquisition, Thermal Management, RF & Microwave Electronics, Data Acquisition, Detectors, Sensors, Software, Instrumentation, Measuring Instruments, Monitoring, Test & Measurement
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High-Performance Computing for the Next-Generation Combat Vehicle

The development of the Next-Generation Combat Vehicle (NGCV) will require technological advancements in many areas, including lethality, protection, autonomy, human–agent teaming, and electromagnetic capabilities. What ties all of these future capabilities together is the need for vast computational resources to support the artificial intelligence (AI) implicit in bringing these advancements to the battlefield. The operating environment of the NGCV will be such that communications will be severely limited, if available at all; systems will be under constant cyber-attack; and adversarial AI may be actively attempting to deceive all sensors — all occurring under severe size, weight, power, and time-available constraints. These factors, and more, are the motivation for developing a strategy of mobile High-Performance Computing (HPC) for the NGCV.

Posted in: Articles, Aerospace, Automotive, Communications, Computers, Video, RF & Microwave Electronics, Data Acquisition, Sensors
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Merging Antenna and Electronics Boosts Energy and Spectrum Efficiency

By integrating the design of antennas and electronics, researchers from the Georgia Institute of Technology have boosted the energy and spectrum efficiency for a new class of millimeter-wave transmitters, allowing improved modulation and reduced generation of waste heat.

Posted in: Articles, Aerospace, Electronics, Electronics & Computers, Energy, Energy Efficiency, Smart Grid, Antennas, RF & Microwave Electronics, Semiconductors & ICs
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The Bus Too Tough to Die

The venerable MIL-STD-1553B bus has survived remarkably well even as other more advanced solutions gained wide acceptance in the last few years. However, the fact remains that its maximum data rate of 1 Mb/s is orders of magnitude too slow for today’s data-intensive systems, so logic dictates that it will soon fade away. That may be a logical assumption, but it’s likely to prove wrong, for several reasons.

Posted in: Articles, Aeronautics, Aerospace, Aviation, Data Acquisition, Government, Data Acquisition
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Launching Graphene to the Stratosphere

Researchers are testing the properties of graphene after it has been launched into the stratosphere. Two-dimensional graphene has a unique combination of being extremely flexible, harder than diamond, and stronger than steel.

To put graphene’s versatility to the test, a substrate was coated with a single layer of graphene and the sample was launched within a CubeSat. It was subjected to harsh conditions like rapid acceleration, vibration, acoustic shock, strong pressure, and a wide range in temperature fluctuations.

Posted in: News, Defense
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Device Can Prevent Aircraft Accidents

A new device can increase aircraft safety during takeoff. During the first 10 seconds of the takeoff roll, the device predicts if the aircraft will reach the sufficient speed for taking off. The idea behind the innovation can be adapted both for small aircraft and large jets.

The device objectively assesses the factual acceleration of an aircraft during the start and, coordinating the data of the accelerometer with the runway length, calculates the prospect of a safe takeoff. The device would also inform the pilot if the aircraft couldn’t safely accelerate.

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Posted in: News, Defense
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Rockwell Collins Unveils Combat Targeting and Communications Gateway

Rockwell Collins has unveiled FasTAK™, a new tactical combat targeting system and secure communications gateway for success in today’s digital battlefield.

“FasTAK simplifies a complex set of tasks for users, helping them carry out missions more efficiently while remaining agile,” said Troy Brunk, vice president and general manager, Communication, Navigation and Electronic Warfare Solutions for Rockwell Collins. “From units on the move to command and control, the system provides reliable, secure connectivity across the battlefield.”

Posted in: News, Defense
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Tail-Controlled Rocket Demonstrates Near-Vertical Impact at Extended Range

After six years of extensive research, engineers at the U.S. Army Aviation and Missile Research, Development, and Engineering Center have conducted a successful test flight of an advanced tail-controlled missile system.

The Tail Controlled Guided Multiple Launch Rocket System (TC-GMLRS) performed its first flight test earlier this year at White Sands Missile Range, New Mexico. The Guided Multiple Launch Rocket System entered production in 2003 and is the Army's primary precision strike artillery weapon. The current production GMLRS has control surfaces on the front end of the rocket, which contribute to precision effects but were not designed to maximize the range of the system. During the first flight test, the missile system reached a distance of 112.9 km, or roughly 70 miles.

Posted in: News, Defense
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Sensing Platform Manages Aircraft Corrosion

Called the Weather Instrumentation and Specialized Environmental Monitoring Platform (WISE-MP), a device being developed by the Air Force can measure conditions that can be detrimental to aircraft such as pollutants, salt, and moisture. Anticipating corrosive conditions before they can have a detrimental effect can lead to significant cost savings and less aircraft downtime.

The prototype device consists of a gas monitor, weather sensor, chloride monitor, and control box, and is portable, durable, and waterproof, with easy access to components. The WISE-MP control unit stores and transmits data for remote monitoring, and data can be accessed on-site.

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Posted in: News, Defense
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