Stories
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Briefs: Physical Sciences
The figure depicts a proposed miniature ion-mobility spectrometer that would share many features of design and operation of the instrument described in the immediately preceding article. The main differences...
Products: Electronics & Computers
Real-time, Flash-based Microcontrollers
Atmel® Corp. (San Jose, CA) has introduced the SAM9 family of ARM9-based Flash microcontrollers (MCUs) for real-time embedded applications.
Briefs: Physical Sciences
Developing a control system rapidly and cost effectively requires a disciplined approach that exposes design limitations early so they can be corrected before the costs...
Products: Electronics & Computers
Kontron (San Diego, CA) has introduced the Kontron ETX® miniBaseboard, a compact EXT baseboard that serves as a universal development platform for ETX 3.0-compliant modules.
Briefs: Physical Sciences
Promoted-Combustion Chamber With Induction Heating Coil
An improved promoted-combustion system has been developed for studying the effects of elevated temperatures on the flammability of metals in pure oxygen. In prior promoted-combustion chambers, initial temperatures of metal specimens in experiments have been limited to the temperatures of gas...
Products: Electronics & Computers
The TML graphics-class system host board (SHB) from Trenton Technology (Gainesville, GA) uses the Intel® Core™ Duo, Intel Core™ Solo, and Intel Celeron® M processor...
Briefs: Software
PixelLearn
PixelLearn is an integrated user-interface computer program for classifying pixels in scientific images. Heretofore, training a machine-learning algorithm to classify pixels in images has been tedious and difficult. PixelLearn provides a graphical user interface that makes it faster and more intuitive, leading to more interactive...
Briefs: Software
New Software for Predicting Charging of Spacecraft
The NASA/Air Force Spacecraft Charging System Analyzer Program (Nascap-2K) is a comprehensive update, revision, and extension of several NASA and Air Force codes for predicting electrical charging of spacecraft. Nascap-2K integrates the capabilities and models included in four independent programs:...
Products: Electronics & Computers
The TS Series TRUNKSAFE system from MooreHawke, a division of Moore Industries (North Hills, CA), maintains continuous communication between a control system and instruments on a...
Briefs: Software
Conversion Between Osculating and Mean Orbital Elements
Osculating/Mean Orbital Element Conversion (C version) (OSMEANC) is a C-language computer program that performs precise conversions between osculating and mean classical orbital elements. OSMEANC can be used for precise design of spacecraft missions and maneuvers and precise calculation of...
Briefs: Software
Generating a 2D Representation of a Complex Data Structure
A computer program, designed to assist in the development and debugging of other software, generates a two-dimensional (2D) representation of a possibly complex ndimensional (where n is an integer >2) data structure or abstract rank-n object in that other software. The nature of the 2D...
Briefs: Semiconductors & ICs
Two modern cryogenic variants of the Pound circuit have been devised to increase the frequency stability of microwave oscillators that include cryogenic sapphire-filled cavity...
Briefs: Materials
Making Activated Carbon by Wet Pressurized Pyrolysis
A wet pressurized pyrolysis (wet carbonization) process has been invented as a means of producing activated carbon from a wide variety of inedible biomass consisting principally of plant wastes. The principal intended use of this activated carbon is room-temperature adsorption of pollutant gases...
Briefs: Materials
Composite Solid Electrolyte Containing Li+- Conducting Fibers
Improved composite solid polymer electrolytes (CSPEs) are being developed for use in lithium-ion power cells. The matrix components of these composites, like those of some prior CSPEs, are highmolecular- weight dielectric polymers [generally based on polyethylene oxide (PEO)]. The filler...
Briefs: Materials
Electrically Conductive Anodized Aluminum Surfaces
Anodized aluminum components can be treated to make them sufficiently electrically conductive to suppress discharges of static electricity. The treatment was conceived as a means of preventing static electric discharges on exterior satin-anodized aluminum (SAA) surfaces of spacecraft without...
Briefs: Mechanical & Fluid Systems
Rapid-Chill Cryogenic Coaxial Direct- Acting Solenoid Valve
A commercially available cryogenic direct-acting solenoid valve has been modified to incorporate a rapid-chill feature. In the original application for which this feature was devised, there is a requirement to ensure that at all times, the valve outlet flow consists entirely or mostly of...
Briefs: Mechanical & Fluid Systems
A system for mechanical suspension and vibration isolation of a machine or instrument is based on the use of Kevlar (or equivalent aromatic polyamide) cord held in variable tension...
Briefs: Manufacturing & Prototyping
Techniques for Connecting Superconducting Thin Films
Several improved techniques for connecting superconducting thin films on substrates have been developed. The techniques afford some versatility for tailoring the electronic and mechanical characteristics of junctions between superconductors in experimental electronic devices. The techniques are...
Briefs: Manufacturing & Prototyping
Versatile Friction Stir Welding/Friction Plug Welding System
A proposed system of tooling, machinery, and control equipment would be capable of performing any of several friction stir welding (FSW) and friction plug welding (FPW) operations. These operations would include the following:
Articles: Photonics/Optics
In the optical communications industry, it’s important to look back before you look forward. History has a way of putting the future into perspective.
Articles: Photonics/Optics
The high-power laser diode market has grown rapidly in the last twelve months, a trend that is set to continue throughout 2006 and beyond. The global market for laser systems is forecast to grow by 8% in...
Articles: Photonics/Optics
Optical software programs provide optical designers with the means to predict and analyze performance characteristics of optical systems without experimental prototyping. Looking ahead into 2007,...
Briefs: Photonics/Optics
Holographic retroreflectors that function equivalently to Plossl eyepieces have been developed and used in free-space optical communication systems that utilize laser beams. Plossl eyepieces are well known...
Briefs: Photonics/Optics
A scanning optoelectronic instrument generates the digital equivalent of a three-dimensional (X,Y,Z) map of a surface that spans an area with resolution on the order of 0.005 in....
Briefs: Photonics/Optics
The Matrix Assisted Laser Desorption and Ionization (MALDI) technique in 1987 led to a renewed interest for the nitrogen laser. MALDI allows large and fragile biomolecules to be desorbed and...
Briefs: Photonics/Optics
An electro-optical (E-O) imaging Fourier-transform spectrometer (IFTS), now under development, is a prototype of improved imaging spectrometers to be used for hyperspectral imaging,...
Products: Photonics/Optics
Mikron Infrared (Oakland, NJ) offers the Model M7500 infrared camera configurable for midwave or long-wave imaging and four different temperature bands. The camera is an uncooled microbolometer camera that...
Products: Photonics/Optics
The IQμ4X(760-5) from Power Technology (Little Rock, AR) is a fiber-coupled DFB IQ (Instrument Quality) laser diode module that features a current source and a PID temperature controller. It is available with...
Products: Photonics/Optics
Electron Tubes (Rockaway, NJ) has released the DM0060C miniature photon counting detector with RS-232 interface for plate readers used in chemiluminescence and bioluminescence applications. Comprised of a...
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