Keyword: Electric power grid

Articles: Photonics/Optics

Organic photovoltaic (OPV) technology has been rapidly growing in performance and popularity over the past few years and is expected to become a major PV technology within the next decade. Here’s why.

Products: Lighting

Greenvity Communications (Milpitas, CA) has expanded its Hybrii® family of system-onchip (SoC) connectivity solutions with the new Hybrii-Mini GV7013 aimed at cost-sensitive consumer and...

Briefs: Electronics & Computers
Fully Printed, Flexible, Phased Array Antenna for Lunar Surface Communication

NASA’s future exploration missions focus on the manned exploration of the Moon, Mars, and beyond, which will rely heavily on the development of a reliable communications infrastructure from planetary surface-to-surface, surface-to-orbit, and back to Earth. Flexible...

Briefs: Physical Sciences
Planar Superconducting Millimeter-Wave/Terahertz Channelizing Filter

This innovation is a compact, superconducting, channelizing bandpass filter on a single-crystal (0.45 μm thick) silicon substrate, which operates from 300 to 600 GHz. This device consists of four channels with center frequencies of 310, 380, 460, and 550 GHz, with...

Articles: Energy

For more than two decades, nearly all renewable energy endeavors have incorporated the latest advances in turbomachinery design and turbomachinery manufacturing technology in an...

Briefs: Physical Sciences
Ultra-Compact, Superconducting Spectrometer-on-a-Chip at Submillimeter Wavelengths

Small size, wide spectral bandwidth, and highly multiplexed detector readout are required to develop powerful multi-beam spectrometers for high-redshift observations. Currently available spectrometers at these frequencies are large and bulky. The grating sizes for...

Briefs: Physical Sciences
In-Situ Wire Damage Detection System

An In-Situ Wire Damage Detection System (ISWDDS) has been developed that is capable of detecting damage to a wire insulation, or a wire conductor, or to both. The system will allow for real-time, continuous monitoring of wiring health/integrity and reduce the number of false negatives and false positives...

Briefs: Electronics & Computers
Amplifier Module for 260-GHz Band Using Quartz Waveguide Transitions

Packaging of MMIC LNA (monolithic microwave integrated circuit low-noise amplifier) chips at frequencies over 200 GHz has always been problematic due to the high loss in the transition between the MMIC chip and the waveguide medium in which the chip will typically be used. In...

Application Briefs: Electronics & Computers

Lockheed Martin Space Systems Advanced Technology Center (ATC) has completed delivery of hardware subsystems for NASA’s Magnetospheric Multiscale (MMS) Mission. The delivery...

Articles: Lighting

Originally fueled by environmental concerns and the steadily rising cost of electricity, the market for energy- efficient lighting has been dramatically accelerated by regulations that will restrict the sale of most...

Briefs: Physical Sciences

If remote sensors are to be autonomous and report their data in real time, they must have a reliable power source and a stable Ethernet connection. The United States Geological Survey (USGS),...

Briefs: Electronics & Computers
Dichroic Filter for Separating W-Band and Ka-Band

The proposed Aerosol/Cloud/Ecosystems (ACEs) mission development would advance cloud profiling radar from that used in CloudSat by adding a 35-GHz (Ka-band) channel to the 94-GHz (W-band) channel used in CloudSat. In order to illuminate a single antenna, and use CloudSat-like quasi-optical...

Briefs: Electronics & Computers
On-Wafer Measurement of a Multi-Stage MMIC Amplifier With 10 dB of Gain at 475 GHz

JPL has measured and calibrated a WR2.2 waveguide wafer probe from GGB Industries in order to allow for measurement of circuits in the 325–500 GHz range. Circuits were measured, and one of the circuits exhibited 10 dB of gain at 475 GHz.

Briefs: Manufacturing & Prototyping
Fabrication of an Absorber-Coupled MKID Detector

Absorber-coupled microwave kinetic inductance detector (MKID) arrays were developed for submillimeter and farinfrared astronomy. These sensors comprise arrays of lambda/2 stepped microwave impedance resonators patterned on a 1.5-mm-thick silicon membrane, which is optimized for optical coupling....

Briefs: Information Technology
Autonomous Information Unit for Fine-Grain Data Access Control and Information Protection in a Net-Centric System

As communication and networking technologies advance, networks will become highly complex and heterogeneous, interconnecting different network domains. There is a need to provide user authentication and data protection in order to...

Briefs: Physical Sciences

Extended-range passive radio-frequency identification (RFID) tags and related sensor tags are undergoing development. A tag of this type incorporates a retroreflective antenna array, so that it...

Briefs: Software
Athena

The Athena simulation software supports an analyst from DoD or other federal agency in making stability and reconstruction projections for operational analyses in areas like Iraq or Afghanistan. It encompasses the use of all elements of national power: diplomatic, information, military, and economic (DIME), and anticipates their effects...

Articles: Sensors/Data Acquisition

Over the past ten years, the worldwide sensors technology market has experienced tremendous growth. Today’s sensor technology has been woven seamlessly into our everyday lives...

Application Briefs: Photonics/Optics

We have known for decades that the sun radiates enough energy to meet the world’s needs for power, both now and in the future. As in any energy conversion from original source to...

Briefs: Information Technology
Probabilistic Path Planning of Montgolfier Balloons in Strong, Uncertain Wind Fields

Lighter-than-air vehicles such as hot-air balloons have been proposed for exploring Saturn’s moon Titan, as well as other bodies with significant atmospheres. For these vehicles to navigate effectively, it is critical to incorporate the effects of surrounding...

Briefs: Electronics & Computers
Reconfigurable Microwave Phase Delay Element for Frequency Reference and Phase-Shifter Applications

A technique was developed to provide a reconfigurable high-precision microwave electrical phase delay for resonators and phase shifters. The invention employs multiple branches of transmission lines with open-ended or ground-ended terminations as...

Articles: Automotive

Hours before most commuters start their engines and head to work, James Hughes is already calling the other side of the world from his office in Dearborn, MI. Because of a...

Application Briefs: Lighting

The lighting needs at the 460,000-square foot headquarters facility of Maines Paper and Food Service, Inc., a food distributor serving customers in 35 states, were recently re-evaulated....

Briefs: Electronics & Computers
Special Component Designs for Differential-Amplifier MMICs

Special designs of two types of electronic components — transistors and transmission lines — have been conceived to optimize the performances of these components as parts of waveguide-embedded differential-amplifier monolithic microwave integrated circuits (MMICs) of the type...

Briefs: Electronics & Computers
Miniature Low-Noise G-Band I-Q Receiver

Weather forecasting, hurricane tracking, and atmospheric science applications depend on humidity sounding of atmosphere. Current instruments provide these measurements from ground-based, airborne, and low Earth orbit (LEO) satellites by measuring radiometric temperature on the flanks of the 183-GHz water...

Articles: Manufacturing & Prototyping
BreezeRite Air Filtration Module Rob Luchsinger
Pipe Creek, TX

BreezeRite, an indoor air modular filtration system, attaches to new or existing ceiling fans,...

Articles: Test & Measurement

Multi-paction effects can impact microwave components in high-power satellite communications (sat-com) systems. The nonlinear break-down-voltage phenomenon occurs in high-vacuum environments...

Articles: Energy

In just the last few years, innovation in alternative-energy technologies have gained significant footholds in product development lifecycles and are rapidly changing our individual...

Articles: Energy
Optimized Power Devices Enable Energy Efficient Solar Inverters and Micro-Converters

As the demand for greener appliances and consumer products soars across the globe, and energy savings becomes a global phenomenon (and necessity) in residential and commercial environments, solar and wind power technologies have begun to proliferate in cities...