Stories
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Products: Photonics/Optics
Optical Surfaces (Surrey, UK) offers standard and custom optical flats measuring up to 600 mm in diameter and manufactured of materials such as glass, Zerodur, and silica. The optical flats can be used for measuring surface...
Briefs: Software
TetrUSS is a comprehensive suite of computational fluid dynamics (CFD) programs that won the Software of the Year award in 1996 and has found increasing use in government, academia, and...
Products: Photonics/Optics
CMOS Camera
Lumenera Corp. (Ottawa, ON, Canada) has introduced the Lw290, a USB 2.0 digital camera based on the company’s 1080P HD sensor. The 16:9 HD format, 2.0-megapixel CMOS sensor provides 20 frames per second at full 1920×1080 resolution. Higher frame rates are available at lower resolution, with full sub-window control and live focusing...
Briefs: Software
DRAGONFLOW is a computer program that solves the Navier-Stokes equations of flows in complexly shaped three- dimensional regions discretized by use of a direct replacement of arbitrary grid...
Products: Photonics/Optics
Diode Laser Platform
Spectra-Physics, a Division of Newport Corp. (Tucson, AZ), has released a 900- to 980-nm diode laser platform based on epitaxial design. The diode laser platform provides CW power conversion efficiency to 71% for 940-nm single emitters (15°C case temperature). More than 68.5% peak PCE at 25°C may be achieved from...
Briefs: Software
The High Gain Antenna Pointing and Obstruction Avoidance software performs computations for pointing a Mars Rover high-gain antenna for communication with Earth while (1) avoiding...
Briefs: Software
GeoFEST(P) is a computer program written for use in the QuakeSim project, which is devoted to development and improvement of means of computational simulation of earthquakes. GeoFEST(P) models...
Briefs: Software
A computer program implements stochastic evolutionary algorithms for planning and optimizing collision-free paths for robots and their jointed limbs. Stochastic evolutionary algorithms...
Briefs: Software
Researchers at NASA’s Jet Propulsion Laboratory have developed a method for automatically tracking the polar caps on Mars as they advance and recede each year (see figure). The...
Briefs: Software
The LINFLUX-AE computer code predicts flutter and forced responses of blades and vanes in turbomachines under subsonic, transonic, and supersonic flow conditions. The code solves the...
Techs for License
Think-A-Move
Using sound waves captured in the inner ear, this technology creates an enhanced method of device control. Sound waves are generated in the inner ear by talking or making tongue...
Techs for License
Corozite
By means of a tracking system in a secure, unique, and confidential manner, EZ2TRACK can identify the authenticity of the product being protected by a simple, quick,...
Articles: Energy
In celebration of the 30th Anniversary of NASA Tech Briefs, our features in 2006 highlight a different technology category each month, tracing the past 30 years of the technology, and continuing with a glimpse into...
Supplements
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Software Tech Briefs is a special supplement to NASA Tech Briefs. Download the digital version (PDF) at right to learn about 58 new software programs outlined in the table of contents below.
Articles
An Operational Guide to Bringing Your Invention to Market
The last of a four-part series on converting your invention into a revenue-generating business, this month’s article describes, from an operational viewpoint, the critical steps that an inventor needs to understand to raise investment money and convert their invention into a viable...
Briefs: Photonics/Optics
A scheme is proposed for referencing the propagation direction of the transmit laser signal in pointing a free-space optical communications terminal. This recently...
Podcasts
Design Analysis in Product Innovation
Recorded August 17, 2006
Product innovation has recently come to the forefront as one of the truly sustainable competitive advantages a company can develop in the product development process. One common roadblock to the innovative process is the time and cost to prototype the endless variety of design...
Briefs: Medical
Figure 1 is a simplified schematic diagram of a system that automatically regulates the concentration of glucose or pH in a liquid culture medium that is circulated through a...
Briefs: Electronics & Computers
IMU/GPS System Provides Position and Attitude Data
A special navigation system is being developed to provide high-quality information on the position and attitude of a moving platform (an aircraft or spacecraft), for use in pointing and stabilization of a hyperspectral remote-sensing system carried aboard the platform. The system also serves to...
Briefs: Electronics & Computers
Figure 1 depicts a switching circuit that drives a piezoelectric pump at a high voltage with a polarity that alternates at the desired mechanical pump frequency. This circuit offers...
Briefs: Electronics & Computers
Developing Signal Pattern Recognition Programs
Pattern Interpretation and Recognition Application Toolkit Environment (PIRATE) is a block-oriented software system that aids the development of application programs that analyze signals in real time in order to recognize signal patterns that are indicative of conditions or events of interest. PIRATE...
Briefs: Mechanical & Fluid Systems
The Planetary Autonomous Amphibious Robotic Vehicle (PAARV), now at the prototype stage of development, was originally intended for use in acquiring and analyzing samples of solid,...
Briefs: Mechanical & Fluid Systems
A system for automated sampling of rocks, ice, and similar hard materials at and immediately below the surface of the ground is undergoing development. The system, denoted a sample...
Briefs: Mechanical & Fluid Systems
An improved process for making nanocrystallites, commonly denoted quantum dots (QDs), is based on spray pyrolysis. Unlike the process used heretofore, the improved process is amenable to mass production...
Briefs: Manufacturing & Prototyping
An improved method has been devised for fabricating micron-dimension Li features. This approach is intended for application in the fabrication of lithium-based microelectrochemical...
Briefs: Manufacturing & Prototyping
Manufacture of Regularly Shaped Sol-Gel Pellets
An extrusion batch process for manufacturing regularly shaped sol-gel pellets has been devised as an improved alternative to a spray process that yields irregularly shaped pellets. The aspect ratio of regularly shaped pellets can be controlled more easily, while regularly shaped pellets pack more...
Briefs: Information Technology
An algorithm that effects fast lossless compression of multispectral-image data is based on low-complexity, proven adaptive filtering algorithms. This algorithm is intended for use in...
Briefs: Information Technology
Improved Solar-Radiation-Pressure Models for GPS Satellites
A report describes a series of computational models conceived as an improvement over prior models for determining effects of solar-radiation pressure on orbits of Global Positioning System (GPS) satellites. These models are based on fitting coefficients of Fourier functions of...
Application Briefs: Imaging
Charge coupled device (CCD) image sensors e2v Technologies Elmsford, NY 914-593-6841 www.e2v.com
Top Stories
Blog: Sensors/Data Acquisition
Going for Gold in Winter Olympic Curling
Blog: Energy
Batteries that Can Withstand the Cold
Blog: Lighting
A Stretchable OLED that Can Maintain Most of Its Luminescence
INSIDER: Design
Advancing All-Solid-State Batteries
Blog: Data Acquisition
Blog: Materials
Webcasts
On-Demand Webinars: Defense
Cooling a New Generation of Aerospace and Defense Embedded Computing...
Upcoming Webinars: Software
Beyond AI-Copy-Paste Engineering: Advanced AI-Integration Success...
Upcoming Webinars: Automotive
Battery Abuse Testing: Pushing to Failure
Upcoming Webinars: Power
A FREE Two-Day Event Dedicated to Connected Mobility
Upcoming Webinars: RF & Microwave Electronics
Choosing the Right N-Port Strategy: Multiport VNAs vs. Switch...

