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Briefs
Motion Control

Fabrication and Testing of High-Speed Single-Rotor and Compound-Rotor Systems

The X2 Technology Demonstrator recently achieved a level flight speed over 250 knots, proving the basic concept of the coaxial compound configuration.

Briefs
Sensors/Data Acquisition

Instrumentation for Fabrication and Testing of High-Speed Single-Rotor and Compound-Rotor Systems

To support the development of next-generation rotorcraft, precision data acquisition is required.

Briefs
Aerospace

Co-Prime Frequency and Aperture Design for HF Surveillance, Wideband Radar Imaging, and Nonstationary Array Processing

A co-prime array uses two uniform linear subarrays to construct an effective difference coarray with certain desirable characteristics, such as a high number of degrees-of-freedom for DOA estimation. In this case, the co-prime...

Briefs
Test & Measurement

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.

Articles
RF & Microwave Electronics

Shape-Shifting Origami Could Help Antenna Systems Adapt On-the-Fly

Conventional reconfigurable electrical and radio frequency (RF) structures commonly used in applications involving real-time reconfigurability in response to fast varying...

Briefs
Materials

3D Meta-Optics for High-Energy Lasers

The scope of this research radically changed the way novel components are designed and fabricated for high-energy applications. This 3D Meta-Optics platform was, and is, essentially engineering the...

Articles
Electronics & Computers

Broadband 1.2- and 2.4-mm Gallium Nitride (GaN) Power Amplifier Designs

The US Army Research Laboratory (ARL) has been working with Raytheon to design efficient, broadband, linear, high-power amplifiers and robust, broadband, low-noise...

Articles
Materials

Aerospace Work Platforms — More than Meets the Eye

For maintenance personnel in the aerospace industry to do their jobs effectively, they need to be able to get physically close to the equipment they are working on. This statement sounds...

Briefs
Photonics/Optics

Integrated Magneto-Optical Devices for On-Chip Photonic Systems

The magneto-optical (MO) oxide layer consists of (Bi,Y)3Fe5O12 or BiYIG, bismuth garnet. This material was selected because it has a better...

Application Briefs
Aerospace

Game-Based Training Environment

Charles River Analytics
Cambridge, MA
617-491-3474
www.cra.com

Charles River Analytics Inc., a developer of intelligent systems solutions, has announced a two-year, $2 million Phase III...

Briefs
Imaging

Co-Prime Frequency and Aperture Design for HF Surveillance, Wideband Radar Imaging, and Nonstationary Array Processing

A co-prime array uses two uniform linear subarrays to construct an effective difference coarray with certain desirable...

Briefs
Materials

Natural DNA-Based Nonvolatile Resistive Switching Memory

Motivated by the demand for an even larger storage capacity in the information era, research efforts have been devoted to the development of more efficient and cost-effective memory elements.

Briefs
Photonics/Optics

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
Defense

The Ins and Outs of Spaceflight Passive Components and Assemblies

RF and microwave components deployed in spaceflight applications can experience hundreds of degrees of temperature variation, massive amounts of radiation, and can be expected...

Briefs
Semiconductors & ICs

Reconfigurable Electronics and Non-Volatile Memory Research

The purpose of this research was to investigate non-volatile memory device technologies that could be applied to reconfigurable electronics applications to provide power reduction,...

Articles
Aerospace

Additive Manufacturing: How 3D Printing Will Transform the A&D Support Chain

3D printing, or additive manufacturing (AM), is quickly becoming a 'must have' for aerospace and defense (A&D) manufacturers rather than just a luxury R&D...

Briefs
Materials

Epitaxial Growth of Rhenium with Sputtering

Epitaxial superconducting films of refractory metals are a promising new template for single crystal tunnel barriers in Josephson junction quantum bit (qubit) devices. In existing Josephson...

Briefs
Software

SIPHER: Scalable Implementation of Primitives for Homomorphic Encryption

Prior to the Proceed program, the main challenges preventing practical demonstrations and use of Fully Homomorphic Encryption (FHE) were efficiency and...

Briefs
Manufacturing & Prototyping

Development of a Novel Electrospinning System with Automated Positioning and Control Software

Electrospinning is a nanofiber fabrication technique that has grown in popularity due to its potential in numerous biomedical applications. The...

Briefs
Defense

Multifunctional Shear Pressed CNT Sheets for Strain Sensing and Composite Joint Toughening

The main goal of this work is to obtain a scientific understanding of the possibilities provided by, and the behavioral features of, a novel type high...

Briefs
Defense

Design of a Multi-Segmented Magnetic Robot for Hull Inspection

Hull, deck plate, and tank inspection for corrosion, deformation, and fractures is a necessary part of ship maintenance to ensure functional integrity and proper operation of the...

Briefs
Materials

Advanced, Single-Polymer, Nanofiber-Reinforced Composite

A strategic goal of the U.S. Air Force is to be able to deliver munitions to targets anywhere around the globe in less than an hour. This will require very high speeds and novel lightweight and temperature-resistant materials. Nanocomposites are promising emerging materials for structural...

Articles
Aerospace

Stand-Off Scanning and Pointing with Risley Prisms

With the ever increasing threat of improvised explosive devices, both in the military arena and the civilian realm, there is a growing demand for technologies with the ability to detect...

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...

Briefs
Manufacturing & Prototyping

Designing and Fabricating a Multiple-Decade Battery

There is a great need for energy sources that can power unattended sensors for more than a decade. Unattended sensors can be located in harsh and remote locations that are often dangerous...

Briefs
Test & Measurement

Next-Generation Spectrometers for Rapid Analysis of Complex Mixtures

Molecules have internal motions that are characteristic of their structure and identity. These motions can be studied by spectroscopy in different regions of the...

Briefs
Materials

Fabricating Porous Systems for Super-Dense Memories and Sensors

This project was dedicated to solving basic scientific issues and developing the scientific basis that underlies the improvement of super-dense memories, towards the terabit-per-square-inch goal and the engineering of chemical and biological sensors. Both applications rely on porous...

Briefs
Manufacturing & Prototyping

Design and Fabrication of a Radio Frequency Grin Lens Using 3D Printing

Engineered electromagnetic materials and meta-materials have been researched to explore devices that enable access to electromagnetic properties that are not available in nature. This new class of devices can not only open the door to new functionality, but also be...

Articles
Aerospace

RF FPGAs for Multi-Function Systems

A dynamically reconfigurable, wideband programmable RF FPGA transceiver will provide reduced lifecycle cost, reduced redesign cost, and service for multiple DoD platforms, while maintaining near-optimal...