Stories

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Briefs: Information Technology
Project Integration Architecture
The Project Integration Architecture (PIA) is a distributed, object- oriented, conceptual, software framework for the generation, organization, publication, integration, and consumption of all information involved in any complex technological process in a manner that is intelligible to both computers and humans. As...
Books & Reports: Physical Sciences
Multiple-Cone Sunshade for a Spaceborne Telescope
A document describes a sunshade assembly for the spaceborne telescope of the Terrestrial Planet Finder Coronagraph mission. During operation, the telescope is aimed at target stars in the semi-hemisphere away from the Earth's Sun. The observatory rotates about its pointing axis during a single star...
Books & Reports: Electronics & Computers
High Power Amplifier and Power Supply
A document discusses the creation of a high-voltage power supply (HVPS) that is able to contain voltages up to –20 kV, keep electrical field strengths to below 200 V/mil (≈7.87 kV/mm), and can provide a 200- nanosecond rise/fall time focus modulator swinging between cathode potential of 16.3 kV and –19.3...
Books & Reports: Physical Sciences
Estimating Mixing Heights Using Microwave Temperature Profiler
A paper describes the Microwave Temperature Profiler (MTP) for making measurements of the planetary boundary layer thermal structure — data necessary for air quality forecasting as the Mixing Layer (ML) height determines the volume in which daytime pollution is primarily concentrated....
Briefs: Physical Sciences
Assemblies containing curved piezoceramic fiber composite actuators have been invented as means of stretching optical fibers by amounts that depend on applied drive voltages....
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Articles: Photonics/Optics
Broad-area laser diodes are the most efficient coherent light sources and are widely used today. The extraordinary efficiency, modulation...
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Application Briefs: Photonics/Optics
Light beam homogenizer designs used for decades are largely based upon lenticular lens arrays that date back to the 1940s and 1950s. A more recent design is from the late 1980s that comprises a pair of...
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Briefs: Photonics/Optics
Optical Displacement Sensor for Sub-Hertz Applications
A document discusses a sensor made from off-the-shelf electro-optical photo-diodes and electronics that achieves 20 nm/(Hz)1/2 displacement sensitivity at 1 mHz. This innovation was created using a fiber-coupled laser diode (or Nd:YAG) through a collimator and an aperture as the illumination...
Briefs: Photonics/Optics
Since their market introduction in 1995, fiber Bragg gratings (FBGs) [wherein “fiber” signifies optical fiber] have emerged as excellent means of measuring such parameters as strain and...
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Briefs: Photonics/Optics
The use of piezoelectric devices has become widespread since Pierre and Jacques Curie discovered the piezoelectric effect in 1880. Examples of current applications of piezoelectric devices...
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Briefs: Photonics/Optics
The figure schematically depicts two versions of an opto-electronic system, undergoing development at the time of reporting the information for this article, that is expected to be...
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Briefs: Photonics/Optics
The figure depicts a breadboard version of an optical beam combiner that makes it possible to use the outputs of any or all of four multimode laser diodes to pump a non-planar ring...
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Briefs: Photonics/Optics
Web-Enabled Optoelectronic Particle-Fallout Monitor
A Web-enabled optoelectronic particle-fallout monitor has been developed as a prototype of future such instruments that (l) would be installed in multiple locations for which assurance of cleanliness is required and (2) could be interrogated and controlled in nearly real time by multiple remote...
Products: Photonics/Optics
View these and other new products on display by exhibitors at Photonics West, January 22-24, in San Jose, CA. Visit Photonics Tech Briefs at Booth 1437.Visit http://spie.org/x2584.xml for more information.
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News: Aerospace
This year, NASA celebrates its 50th anniversary, which will be observed on October 1. All year, NASA Tech Briefs will join in the celebration, highlighting technology innovations and epic moments in NASA...
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Articles: Software
CAD software has come a long way in terms of ease of use, interoperability, speed, and capabilities. But there is still a long way to go. We spoke to executives at leading CAD software companies to find...
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Application Briefs: Sensors/Data Acquisition
Remote Voltage Sensor Quasar Federal Systems San Diego, CA 858-228-3386 www.quasarusa.com Electrostatic charges impact the safety of both workers and...
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Application Briefs: Sensors/Data Acquisition
RTAX-S field-programmable gate arrays (FPGAs) Actel Mountain View, CA 650-318-4200 www.actel.com Actel’s RTAX-S field-programmable gate arrays (FPGAs) are aboard...
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Products
Objet Geometries, Billerica, MA, has introduced the Connex500™ multimaterial 3D printer based on the company's PolyJet Matrix™ technology, which provides simultaneous jetting of multiple model materials. The system...
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Techs for License
Extraction of Betulin and Betulinic Acid from Birch Bark
NaturNorth has created bioactive compounds with potential applications in pharmaceutical, agricultural, and biocidal applications. The compounds have potential applications against HIV, MRSA, herpes, in anticancer treatments, and in anti-inflammatory, liver protection, and skin protection...
Techs for License
Non-Bitter Peptide
In a two-step process of hydrolyzation utilizing fungal proteases, mild peptide is extracted in such a way that it is free of the bitter taste and aftertaste of similar products. Mild peptide may be mixed with protein drinks and other products to increase the effectiveness of the protein through its amino acid profile and its...
Tech Needs
Pharmaceutical Processing Technologies
A company seeks a range of new processing and preparation technologies for use in pharmaceutical preparation. Such technologies may enhance current chemistry processes such as finer milling that leads to faster in-process reactions. Technologies may be applicable to a variety of pharmaceuticals after...
Tech Needs
Microwavable Packaging That Produces Authentic Grilled Foods
This organization wants to create authentic grilled foods in a home microwave oven with typical microwave food preparation times and convenience. Authentic grilled foods combine a slightly charred taste with a less fatty, cleaner feel, and the appearance of grill marks seared by high heat...
Who's Who: Sensors/Data Acquisition
Using NASA's Cosmic Background Explorer (COBE) satellite to measure microwaves and infrared light that originated with the formation of the universe, Dr. John C. Mather helped...
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Briefs: Physical Sciences
An induction charge detector with multiple sensing stages has been conceived for use in characterizing sprayed droplets, dust particles, large ionized molecules, and the like. Like related...
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Briefs: Physical Sciences
Generic Helicopter-Based Testbed for Surface Terrain Imaging Sensors
To be certain that a candidate sensor system will perform as expected during missions, we have developed a field test system and have executed test flights with a helicopter- mounted sensor platform over desert terrains, which simulate Lunar features. A key advantage to this...
Briefs: Physical Sciences
An optimized geometry has been proposed for superconducting sensing coils that are used in conjunction with superconducting quantum interference devices (SQUIDs) in magnetic resonance imaging...
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Briefs: Electronics & Computers
Robot Electronics Architecture
An electronics architecture has been developed to enable the rapid construction and testing of prototypes of robotic systems. This architecture is designed to be a research vehicle of great stability, reliability, and versatility. A system according to this architecture can easily be reconfigured (including expanded...

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