May 2009

Articles : Mechanical & Fluid Systems
Mechatronic System Integration and Design

While today’s multi-discipline mechatronic systems significantly outperform legacy systems, they are also much more complex by nature, requiring close cooperation between multiple design disciplines in order to have a chance of meeting schedule requirements and first-pass success. Mechatronic system...

Application Briefs : Sensors/Data Acquisition
Alumina Ceramic “Dog Bone” Helps Chandra Detect High-Energy Events
Fine-grained alumina ceramic charge detector
Insaco
Quakertown, PA
215-536-3500
www.insaco.com

The Chandra X-Ray Observatory was launched into high elliptical orbit in 1998. The 39-foot-long, 10,000-pound observatory is designed to study...

Application Briefs : Communications
Communications System Supports the Ames Airspace Operations Lab
Voice-over-IP communications system
Quintron
Santa Maria, CA
805-928-4343
www.quintron.com

Quintron was selected by NASA’s Ames Research Center (ARC) to supply a new Voice-over-IP (VoIP) communications system to support the ARC Airspace Operations...

NASA Tech Needs
Gaseous Helium (GHe) Conservation and Recovery

John C. Stennis Space Center provides rocket engine propulsion testing for the NASA space programs. Since the development of the Space Shuttle, every Space Shuttle Main Engine (SSME) has gone through acceptance testing before going to Kennedy Space Center for integration into the Space Shuttle. The...

Articles
Bringing Open Source Advantages to Engineering

As a career engineer, the need to coordinate large-scale design activity and all of the associated information has presented an ongoing challenge. In my opinion, one of the most exciting developments over the past decade has been the mainstream adoption of open source techniques.

In the...

Who's Who
Nicholas Johnson, Chief Scientist and Program Manager for NASA’s Orbital Debris Program Office, Johnson Space Flight Center

Nicholas Johnson is Chief Scientist and Program Manager for NASA’s Orbital Debris Program Office. In July 2008 he was awarded the Department of Defense Joint Meritorious Civilian Service Award for his contribution to...

Products
2D and 3D Design and Engineering Software

Autodesk, San Rafael, CA, has introduced the latest releases of its 2D and 3D design and engineering software for manufacturers. The 2010 products include Autodesk Inventor, AutoCAD Mechanical, and AutoCAD Electrical. Autodesk Inventor 2010 features new capabilities for 2D product documentation and 3D...

Techs for License
Single-Motion Extension Mechanism for Poles

Originally developed and marketed as an extension pole for painting, light bulb changing, and similar operations, the single-motion extension principle in this technology is adaptable to any rod or pole that must be extended and retracted to a compact length. It applies to extendable antennae; tent...

Techs for License
Modular Electronic Air Sterilization Technology for Airborne Bacteria, Molds, and Viruses

This technology sterilizes air, eliminating odors, preventing infections, and extending the shelf life of food. The scalable system results in 100% removal of microorganisms with one passthrough of air. The technology has optimized UV exposure with a...

NASA Tech Needs
3D and/or Flock Printing Technology

A company seeks a printing capability and/or technology that creates a physical 3D texture that is tactile and soft (but not rubbery) in nature onto a flat or curved plastic surface made of polyethylene, polypropylene, or polyester material. This 3D printing enhances the product experience for the consumer by...

NASA Tech Needs
High-Temperature Brine Viscosifier

A company seeks to increase the viscosity of brine solutions containing both mono and multivalent salts. Targeted brines may contain up to 80% weight of salt. Viscosity must stay the same up to 150°C. The thickened brine should have a yield value of the order of 1Pa (or higher) and a shear thinning behavior....

Briefs : Electronics & Computers
Valve-“Health”-Monitoring System

A system that includes sensors and data-acquisition, wireless data- communication, and data-processing subsystems has been developed as a means of both real-time and historical tracking of information indicative of deterioration in the mechanical integrity and performance of a high-geared ball valve or a...

Briefs : Electronics & Computers
Aerobot Autonomy Architecture

An architecture for autonomous operation of an aerobot (i.e., a robotic blimp) to be used in scientific exploration of planets and moons in the Solar system with an atmosphere (such as Titan and Venus) is undergoing development. This architecture is also applicable to autonomous airships that could be flown in the...

Briefs : Physical Sciences
Microstrip Antenna for Remote Sensing of Soil Moisture and Sea Surface Salinity

This compact, lightweight, dual- frequency antenna feed developed for future soil moisture and sea surface salinity (SSS) missions can benefit future soil and ocean studies by lowering mass, volume, and cost of the antenna system. It also allows for airborne soil...

Briefs : Information Technology
Wireless Avionics Packet To Support Fault Tolerance for Flight Applications

In this protocol and packet format, data traffic is monitored by all network interfaces to determine the health of transmitter and subsystems. When failures are detected, the network interface applies its recovery policies to provide continued service despite the...

Briefs : Medical
Biomedical Wireless Ambulatory Crew Monitor

A compact, ambulatory biometric data acquisition system has been developed for space and commercial terrestrial use. BioWATCH (Bio medical Wireless and Ambulatory Telemetry for Crew Health) acquires signals from bio-medical sensors using acquisition modules attached to a common data and power bus....

Briefs : Software
Submillimeter Confocal Imaging Active Module

The term “submillimeter confocal imaging active module” (SCIAM) denotes a proposed airborne coherent imaging radar system that would be suitable for use in reconnaissance, surveillance, and navigation. The development of the SCIAM would include utilization and extension of recent achievements in...

Briefs : Electronics & Computers
Traveling-Wave Maser for 32 GHz

The figure depicts a traveling-wave ruby maser that has been designed (though not yet implemented in hardware) to serve as a low-noise amplifier for reception of weak radio signals in the frequency band of 31.8 to 32.3 GHz. The design offers significant improvements over previous designs of 32-GHz traveling-wave...

Briefs : Electronics & Computers
System Synchronizes Recordings From Separated Video Cameras

A system of electronic hardware and software for synchronizing recordings from multiple, physically separated video cameras is being developed, primarily for use in multiple-look- angle video production. The system, the time code used in the system, and the underlying method of...

Briefs : Electronics & Computers
Piecewise-Planar Parabolic Reflectarray Antenna

The figure shows a dual-beam, dual- polarization Ku-band antenna, the reflector of which comprises an assembly of small reflectarrays arranged in a piecewise-planar approximation of a parabolic reflector surface. The specific antenna design is intended to satisfy requirements for a wide-swath...

Briefs : Electronics & Computers
Reducing Interference in ATC Voice Communication

Three methods have been proposed to be developed to enable reduction of the types of interference that often occur among voice-communication radio signals involved in air-traffic control (ATC). For historical reasons and for compatibility with some navigation systems, control towers and aircraft...

Briefs : Information Technology
EOS MLS Level 1B Data Processing, Version 2.2

A computer program performs level- 1B processing (the term “1B” is explained below) of data from observations of the limb of the Earth by the Earth Observing System (EOS) Microwave Limb Sounder (MLS), which is an instrument aboard the Aura spacecraft. This software accepts, as input, the raw EOS...

Briefs : Software
Auto-Generated Semantic Processing Services

Auto-Generated Semantic Processing (AGSP) Services is a suite of software tools for automated generation of other computer programs, denoted cross-platform semantic adapters, that support interoperability of computer-based communication systems that utilize a variety of both new and legacy...

Briefs : Software
Geospatial Authentication

A software package that has been designed to allow authentication for determining if the rover(s) is/are within a set of boundaries or a specific area to access critical geospatial information by using GPS signal structures as a means to authenticate mobile devices into a network wirelessly and in real-time has been...

Briefs : Software
Maneuver Automation Software

The Maneuver Automation Software (MAS) automates the process of generating commands for maneuvers to keep the spacecraft of the Cassini-Huygens mission on a predetermined prime mission trajectory. Before MAS became available, a team of approximately 10 members had to work about two weeks to design, test, and...

Briefs : Software
Event Driven Messaging With Role-Based Subscriptions

Event Driven Messaging with Role-Based Subscriptions (EDM-RBS) is a framework integrated into the Service Management Database (SMDB) to allow for role-based and subscription-based delivery of synchronous and asynchronous messages over JMS (Java Messaging Service), SMTP (Simple Mail Transfer...

Briefs : Software
Estimating Relative Positions of Outer-Space Structures

A computer program estimates the relative position and orientation of two structures from measurements, made by use of electronic cameras and laser range finders on one structure, of distances and angular positions of fiducial objects on the other structure. The program was written...

Briefs : Manufacturing & Prototyping
Fabricating PFPE Membranes for Microfluidic Valves and Pumps

A process has been developed for fabricating membranes of a perfluoropolyether (PFPE) and integrating them into valves and pumps in “laboratory-on-a-chip” microfluidic devices. Membranes of poly(tetrafluoroethylene) [PTFE] and poly(dimethylsilane) [PDMS] have been considered for...

Briefs : Manufacturing & Prototyping
Fabricating PFPE Membranes for Capillary Electrophoresis

A process has been developed for fabricating perfluoropolyether (PFPE) membranes that contain microscopic holes of precise sizes at precise locations. The membranes are to be incorporated into “laboratory-on-a-chip” microfluidic devices to be used in performing capillary...

Briefs : Manufacturing & Prototyping
Linear Actuator Has Long Stroke and High Resolution

The term “precision linear actuator, direct drive” (“PLADD”) refers to a robust linear actuator designed to be capable of repeatedly performing, over a lifetime of the order of 5 to 10 years, positioning maneuvers that include, variously, submicron increments or slews of the order of a...

Briefs : Manufacturing & Prototyping
Installing a Test Tap on a Metal Battery Case

A mechanical fitting and relatively simple and safe method of installing it on the metal case of a battery have been devised to provide access to the interior of the battery to perform inspection and/or to measure such internal conditions as temperature and pressure. A metal boss or stud having an...

Briefs : Materials
Room-Temperature-Cured Copolymers for Lithium Battery Gel Electrolytes

Polyimide-PEO copolymers (“PEO” signifies polyethylene oxide) that have branched rod-coil molecular structures and that can be cured into film form at room temperature have been invented for use as gel electrolytes for lithium-ion electric- power cells. These copolymers...

Briefs : Materials
Catalysts for Efficient Production of Carbon Nanotubes

Several metal alloys have shown promise as improved catalysts for catalytic thermal decomposition of hydrocarbon gases to produce carbon nanotubes (CNTs). Heretofore almost every experiment on the production of carbon nanotubes by this method has involved the use of iron, nickel, or cobalt...

Briefs : Materials
Amorphous Silk Fibroin Membranes for Separation of CO₂

Amorphous silk fibroin has shown promise as a polymeric material derivable from natural sources for making membranes for use in removing CO2 from mixed-gas streams. For most applications of silk fibroin, for purposes other than gas separation, this material is used in its highly...

Briefs : Mechanical & Fluid Systems
Radial-Electric-Field Piezoelectric Diaphragm Pumps

In a recently invented class of piezoelectric diaphragm pumps, the electrode patterns on the piezoelectric diaphragms are configured so that the electric fields in the diaphragms have symmetrical radial (along-the-surface) components in addition to through-the-thickness components. Previously,...

Briefs : Mechanical & Fluid Systems
Ejector-Enhanced, Pulsed, Pressure-Gain Combustor

An experimental combination of an off-the-shelf valved pulsejet combustor and an aerodynamically optimized ejector has shown promise as a prototype of improved combustors for gas turbine engines. Despite their name, the “constant pressure” combustors heretofore used in gas turbine engines...

Briefs : Mechanical & Fluid Systems
“Zero-Mass” Noninvasive Pressure Transducers

Extremely lightweight, compact, non-invasive, rugged, relatively inexpensive strain- gauge transducers have been developed for use in measuring pressures of fluids in tubes. These gauges were originally intended for measuring pressures of spacecraft-propulsion fluids, but they are also attractive...

Briefs : Physical Sciences
Suppressing Ghost Diffraction in E-Beam-Written Gratings

A modified scheme for electron-beam (E-beam) writing used in the fabrication of convex or concave diffraction gratings makes it possible to suppress the ghost diffraction heretofore exhibited by such gratings. Ghost diffraction is a spurious component of diffraction caused by a spurious...

Briefs : Physical Sciences
Two-Dimensional Quantum Model of a Nanotransistor

A mathematical model, and software to implement the model, have been devised to enable numerical simulation of the transport of electric charge in, and the resulting electrical performance characteristics of, a nanotransistor [in particular, a metal oxide/semiconductor field-effect transistor...

Briefs : Physical Sciences
Mo₃Sb₇₋ₓTeₓ for Thermoelectric Power Generation

Compounds having compositions of Mo3Sb7–xTex (where x = 1.5 or 1.6) have been investigated as candidate thermoelectric materials. These compounds are members of a class of semiconductors that includes previously known thermoelectric materials. All of...

Briefs : Physical Sciences
Expansion Compression Contacts for Thermoelectric Legs

In a proposed alternative to previous approaches to making hot-shoe contacts to the legs of thermoelectric devices, one relies on differential thermal expansion to increase contact pressures for the purpose of reducing the electrical resistances of contacts as temperatures increase. The...

Briefs : Physical Sciences
Manipulating Neutral Atoms in Chip-Based Magnetic Traps

Several techniques for manipulating neutral atoms (more precisely, ultracold clouds of neutral atoms) in chip-based magnetic traps and atomic waveguides have been demonstrated. Such traps and waveguides are promising components of future quantum sensors that would offer sensitivities much...

Briefs : Information Technology
Physical Principle for Generation of Randomness

A physical principle (more precisely, a principle that incorporates mathematical models used in physics) has been conceived as the basis of a method of generating randomness in Monte Carlo simulations. The principle eliminates the need for conventional random-number generators.

Briefs : Information Technology
Hybrid NN/SVM Computational System for Optimizing Designs

A computational method and system based on a hybrid of an artificial neural network (NN) and a support vector machine (SVM) (see figure) has been conceived as a means of maximizing or minimizing an objective function, optionally subject to one or more constraints. Such maximization or...

Briefs : Information Technology
DSN Beowulf Cluster-Based VLBI Correlator

The NASA Deep Space Network (DSN) requires a broadband VLBI (very long baseline interferometry) correlator to process data routinely taken as part of the VLBI source Catalogue Maintenance and Enhancement task (CAT M&E) and the Time and Earth Motion Precision Observations task (TEMPO). The data provided...

Briefs : Information Technology
Processing Electromyographic Signals To Recognize Words

A recently invented speech-recognition method applies to words that are articulated by means of the tongue and throat muscles but are otherwise not voiced or, at most, are spoken sotto voce. This method could satisfy a need for speech recognition under circumstances in which normal audible...

Briefs : Information Technology
Associative Memory Using Quantum-Inspired Resonance

In this innovation, the retrieval of stored items from an exponentially large, unsorted database is performed by quantum-inspired resonance using polynomial resources due to quantum-like superposition effect. The model is represented by a modified Madelung equation in which the quantum...

Briefs : Physical Sciences
Criteria for Modeling in LES of Multicomponent Fuel Flow

A report presents a study addressing the question of which large-eddy simulation (LES) equations are appropriate for modeling the flow of evaporating drops of a multicomponent liquid in a gas (e.g., a spray of kerosene or diesel fuel in air). The LES equations are obtained from the direct...

Briefs : Mechanical & Fluid Systems
Computerized Machine for Cutting Space Shuttle Thermal Tiles

A report presents the concept of a machine aboard the space shuttle that would cut oversized thermal-tile blanks to precise sizes and shapes needed to replace tiles that were damaged or lost during ascent to orbit. The machine would include a computer-controlled jigsaw enclosed in a...

Briefs : Mechanical & Fluid Systems
Orbiting Depot and Reusable Lander for Lunar Transportation

A document describes a conceptual transportation system that would support exploratory visits by humans to locations dispersed across the surface of the Moon and provide transport of humans and cargo to sustain one or more permanent Lunar outpost. The system architecture reflects...

Briefs : Electronics & Computers
FPGA-Based Networked Phasemeter for a Heterodyne Interferometer

A document discusses a component of a laser metrology system designed to measure displacements along the line of sight with precision on the order of a tenth the diameter of an atom. This component, the phasemeter, measures the relative phase of two electrical signals and transfers...

Briefs : Electronics & Computers
Aquarius Digital Processing Unit

Three documents provide information on a digital processing unit (DPU) for the planned Aquarius mission, in which a radiometer aboard a spacecraft orbiting Earth is to measure radiometric temperatures from which data on sea-surface salinity are to be deduced. The DPU is the interface between the radiometer and an...

Briefs : Physical Sciences
Scanning Miniature Microscopes Without Lenses

The figure schematically depicts some alternative designs of proposed compact, lightweight optoelectronic microscopes that would contain no lenses and would generate magnified video images of specimens. Microscopes of this type were described previously in “Miniature Microscope Without Lenses”...

Briefs : Physical Sciences
Target-Tracking Camera for a Metrology System

An analog electronic camera that is part of a metrology system measures the varying direction to a light-emitting diode that serves as a bright point target. In the original application for which the camera was developed, the metrological system is used to determine the varying relative positions of...

Briefs : Physical Sciences
Polarimetric Imaging Using Two Photoelastic Modulators

A method of polarimetric imaging, now undergoing development, involves the use of two photoelastic modulators in series, driven at equal amplitude but at different frequencies. The net effect on a beam of light is to cause (1) the direction of its polarization to rotate at the average of two...

Photonics Tech Briefs : Photonics/Optics
Miniature Wide-Angle Lens for Small-Pixel Electronic Camera

The figure depicts a proposed wide-angle lens that would be especially well suited for an electronic camera in which the focal plane is occupied by an image sensor that has small pixels. The design of the lens is intended to satisfy requirements for compactness, high image quality, and...

Briefs : Physical Sciences
Modal Filters for Infrared Interferometry

Modal filters in the ≈10-μm spectral range have been implemented as planar dielectric waveguides in infrared interferometric applications such as searching for Earth-like planets. When looking for a small, dim object (“Earth”) in close proximity to a large, bright object (“Sun”), the...

Briefs : Medical
Three-Dimensional Optical Coherence Tomography

Three-dimensional (3D) optical coherence tomography (OCT) is an advanced method of noninvasive infrared imaging of tissues in depth. Heretofore, commercial OCT systems for 3D imaging have been designed principally for external ophthalmological examination. As explained below, such systems have been...

Briefs : Medical
Isolation of Precursor Cells From Waste Solid Fat Tissue

A process for isolating tissue-specific progenitor cells exploits solid fat tissue obtained as waste from such elective surgical procedures as abdominoplasties (“tummy tucks”) and breast reductions. Until now, a painful and risky process of aspiration of bone marrow has been used to...

Briefs : Medical
Benchtop Antigen Detection Technique Using Nanofiltration and Fluorescent Dyes

The designed benchtop technique is primed to detect bacteria and viruses from antigenic surface marker proteins in solutions, initially water. This inclusive bio-immunoassay uniquely combines nanofiltration and near infrared (NIR) dyes conjugated to antibodies to...

Briefs : Electronics & Computers
Wireless, Handheld Electronic Medical Record Application

PocketChart™, available in numerous medical specialty editions, is a wireless, handheld electronic medical record application that will help physicians increase productivity, reduce transcription costs, and increase revenue through improved code levels. PocketChart enables a PocketPC to...

Briefs : Medical
Identification of Bacteria and Determination of Biological Indicators

The ultimate goal of planetary protection research is to develop superior strategies for inactivating resistance-bearing micro-organisms like Rummelibacillus stabekisii. By first identifying the particular physiologic pathway and/or structural component of the cell/spore that...

Briefs : Medical
Further Development of Scaffolds for Regeneration of Nerves

Progress has been made in continuing research on scaffolds for the guided growth of nerves to replace damaged ones. The scaffolds contain pores that are approximately cylindrical and parallel, with nearly uniform widths ranging from tens to hundreds of microns. At the earlier stage of...

Briefs : Medical
Chemically Assisted Photocatalytic Oxidation System

The chemically assisted photocatalytic oxidation system (CAPOS) has been proposed for destroying micro-organisms and organic chemicals that may be suspended in the air or present on surfaces of an air-handling system that ventilates an indoor environment. The CAPOS would comprise an upstream...

Briefs : Medical
Use of Atomic Oxygen for Increased Water Contact Angles of Various Polymers for Biomedical Applications

The purpose of this study was to determine the effect of atomic oxygen (AO) exposure on the hydrophilicity of nine different polymers for biomedical applications. Atomic oxygen treatment can alter the chemistry and morphology of polymer...

Briefs : Medical
Open-Access, Low-Magnetic-Field MRI System for Lung Research

An open-access magnetic resonance imaging (MRI) system is being developed for use in research on orientational/ gravitational effects on lung physiology and function. The open-access geometry enables study of human subjects in diverse orientations. This system operates at a magnetic...

Briefs : Sensors/Data Acquisition
Microfluidic Mixing Technology for a Universal Health Sensor

A highly efficient means of microfluidic mixing has been created for use with the rHEALTH sensor — an elliptical mixer and passive curvilinear mixing patterns. The rHEALTH sensor provides rapid, handheld, complete blood count, cell differential counts, electrolyte measurements, and...

Briefs : Medical
Microwell Arrays for Studying Many Individual Cells

“Laboratory-on-a-chip” devices that enable the simultaneous culturing and interrogation of many individual living cells have been invented. Each such device includes a silicon nitride-coated silicon chip containing an array of micromachined wells sized so that each well can contain one cell...

Briefs : Nanotechnology
Convergence Nanoparticles for Multi-Modal Biomedical Imaging

A project is underway to develop a novel, versatile, multi-functional convergence nanoparticle system that utilizes inorganic nanoparticles for advanced biomedical applications. Inorganic nanoparticles exhibit improved optical, magnetic, and electronic properties compared to classical...

Briefs : Medical
Trans-Skull Ultrasound Scanner for Diagnosis of Rhino-Sinusitis

Rhino-sinusitis, or sinus infection, is an inflammation of the paranasal sinuses, which can be caused by different conditions (bacterial, fungal, viral, allergic, or autoimmune). Bacterial rhino-sinusitis is currently assessed by puncture or imaging techniques (x-ray or CT) in order...

Briefs : Medical
Microfluidic Extraction of Biomarkers Using Water as Solvent

A proposed device, denoted a miniature microfluidic biomarker extractor (μ-EX), would extract trace amounts of chemicals of interest from samples, such as soils and rocks. Traditionally, such extractions are performed on a large scale with hazardous organic solvents; each solvent...

Briefs : Medical
Identifying and Inactivating Bacterial Spores

Problems associated with, and new strategies for, inactivating resistant organisms like Bacillus canaveralius (found at Kennedy Space Center during a survey of three NASA cleanrooms) have been defined. Identifying the particular component of the spore that allows its heightened resistance can guide...

Briefs : Manufacturing & Prototyping
Crashworthy Seats Would Afford Superior Protection

Seats to prevent or limit crash injuries to astronauts aboard the crew vehicle of the Orion spacecraft are undergoing development. The design of these seats incorporates and goes beyond crash-protection concepts embodied in prior spacecraft and racing-car seats to afford superior protection...

Briefs : Materials
Droplet-Based Production of Liposomes

A process for making monodisperse liposomes having lipid bilayer membranes involves fewer, simpler process steps than do related prior methods. First, a microfluidic, cross-junction droplet generator is used to produce vesicles comprising aqueous-solution droplets contained in single-layer lipid membranes....

Podcasts
Nicholas Johnson, Chief Scientist and Program Manager for NASA’s Orbital Debris Program Office, Johnson Space Flight Center

Nicholas Johnson is Chief Scientist and Program Manager for NASA’s Orbital Debris Program Office. In July 2008 he was awarded the Department of Defense Joint Meritorious Civilian Service Award for his contribution...

Briefs : Green Design & Manufacturing
Microstrip Antenna for Remote Sensing of Soil Moisture and Sea Surface Salinity
A compact, lightweight, dual- frequency antenna feed can benefit future soil and ocean studies by lowering mass, volume, and cost of the antenna system. The microstrip array design enables combined radar and radiometer instrumentation for satellite or airborne remote...
Articles : Electronics & Computers
Patient Monitoring Using Capacitive Sensors

Capacitive sensors can be used to measure many different physical parameters that are important when monitoring the health of patients. In particular, the technical advances made by sensor manufacturers in using micro electro mechanical systems (MEMS), fabricated using silicon microchip manufacturing...

Articles : Electronics & Computers
Designing Flexible Printed Circuit Boards

General purpose flexible circuit boards are those with electronic components that can be bent to fit in tight spaces. Most are just one or two layers thick and are meant for "flex to install" applications, as they will tolerate limited flex cycles. Circuit boards like this are often found in a variety of...

Articles : Electronics & Computers
Software Development for Low Power Designs

The increasing emphasis on green technologies has focused more attention on low power design. Microcontroller vendors are responding by increasing their offerings of ultra low power devices that consume as little as 350 uA/MHz and have sub-uA sleep modes.

Application Briefs : Electronics & Computers
New Small Form Factor Storage Standard Targets Embedded Systems

To achieve small size, low power consumption and fast time to market requirements, embedded systems designers often look to chipsets found in cell phone handsets or mobile internet devices (MIDs) to cost-effectively meet their design requirements. These components, whether they are...

Products : Electronics & Computers
Audio Enrichment Technology

ARC International (San Jose, CA), has introduced the Virtual Bass™ audio enrichment technology that delivers a deep rich bass response on existing speakers or headphones, eliminating the need to add subwoofers or other audio components. Virtual Bass optimizes a product's bass rendering capabilities, taking into...

Products : Electronics & Computers
DSP Library

STMicroelectronics (Geneva, Switzerland) has released a new DSP library for its ARM Cortex-M3-based STM32 microcontrollers. The STM32 DSP library is license-free, royalty-free, and provides a large number of valuable functions coded in C or assembly language. These include a PID controller, Fourier transform functions, and a...

Products : Electronics & Computers
Energy Harvesting Development Platform

Infinite Power Solutions (Littleton, CO) has introduced the THINERGY™Application Development Platform (ADP) that, coupled with IPS' THINERGY thin-film micro-energy cell (MEC™) products, allows users to create new microelectronic applications, such as perpetually powered and deeply embedded...

Products : Electronics & Computers
Static-Analysis Tool

CodeSonar 3.3 Enterprise from GrammaTech, Inc. (Ithaca, NY) offers improved performance, and richer API that makes it easier for users to add a wide variety of custom checkers. It is also easier to visualize trends in software quality, and managementlevel reports and custom charting features have been refined. CodeSonar is a...

Products : Electronics & Computers
Safety-Certifiable Messaging Middleware

Real-Time Innovations (Sunnyvale, CA) releases the Safety- Critical Edition of RTI Data Distribution Service. The small-footprint version of RTI's real-time messaging middleware is designed to meet safety certification standards such as DO-178B. Safety- Critical Edition was initially developed for use in...

Products : Electronics & Computers
USB Data Acquisition Board

Data Translation (Marlboro, MA) has introduced the DT9818, a high performance, multifunction USB data acquisition board for OEMs. The DT9818 is aimed at embedded applications rather than the more common USB approach of connecting externally to the PC. The module runs completely on USB power and offers ±500V...

Products : Electronics & Computers
Virtual Software Development Platform

Express Logic, Inc. (San Diego, CA) and Virtutech, Inc. (San Jose, CA) have announced the availability of Express Logic's ThreadX® RTOS on a simulated development platform created by Virtutech's Simics®. Using Virtutech's full-system simulator, Express Logic was able to provide engineers and...

Products : Electronics & Computers
Tiny DC/DC Converter

The RNM series 2000VDC isolated converter from RECOM (Brooklyn, NY) has a compact case size of 8.3 × 8.3 × 6.8 mm, and the pins fit into a standard 0.1" grid. The RNM converter features 1W of output power, and input and output voltages available in any combination from 3.3V to 15VDC and 1kVDC or 2kVDC...

Products : Electronics & Computers
Pressure Indicating Sensor Film

Sensor Products Inc. (Madison, NJ) announces the Pressurex Zero® tactile pressure-indicating sensor films. Pressurex Zero characterizes contact surface pressure down to an extremely low 7.2 PSI (0.5 kg/cm2). It is an easy-to-use flexible film that is placed between contacting or mating surfaces to instantly...

Products : Electronics & Computers
Desktop Networking Platforms

WIN Enterprises, Inc. (North Andover, MA) has announced the PL-10540 and PL-10550 desktop platforms that feature the Intel® EP80579 Integrated Processor with Intel® QuickAssist Technology. The EP80579 is the Intel system-on-chip (SoC) purpose-built for the embedded and communications markets with...

Products : Electronics & Computers
EMI Filter

LCR Electronics (Norristown, PA) offers a series of doublestage, low-profile EMI filters that provides easier assembly and reduced material costs. The 088 Series integrates a high attenuation EMI filter and IEC power entry socket with an illuminated power switch and either a fuse or a re-settable circuit breaker into one compact...

Products : Electronics & Computers
Software Verification Plug-In

LDRA (Monks Ferry, Wirral, UK) has released the TBsecure plug-in complete with the Carnegie Mellon Software Engineering Institute (SEI) CERT C secure coding standard. TBsecure identifies security vulnerabilities and enables implementation of the CERT C Secure Coding Standard version 1.0. LDRA's TBsecure plugs into...

Products : Electronics & Computers
RTU Datalogger

The IPm2m® RTU and Datalogger from SIXNET (Ballston Lake, NY) combines RTU (Remote Terminal Unit), datalogger, and telemetry interface in a compact, installation-ready package. The IPm2m has a full complement of communication ports with an Ethernet, RS232, RS485, and USB. This flexible port configuration makes it ideal for...

Articles : Photonics/Optics
Treating Retinal Disease with FPGA Controlled Lasers

More than 50 percent of Americans diagnosed with diabetes are at risk of developing diabetic retinopathy, a retinal disease that can lead to blindness. The condition is a result of diabetes affecting the circulatory system of the retina and causing abnormal new blood vessel growth. It has...

Application Briefs : Photonics/Optics
Using Hollow Core Plastic Bragg Fiber to Deliver Ultrashort Pulse Laser Beams

Ultrashort pulse (USP), or “ultrafast,” lasers emit extremely brief pulses of light, generally with duration of a picosecond (10-12 seconds) or less. The pulses are characterized by a high optical intensity that induces nonlinear interactions in various materials,...

Briefs : Photonics/Optics
Target-Tracking Camera for a Metrology System

An analog electronic camera that is part of a metrology system measures the varying direction to a light-emitting diode that serves as a bright point target. In the original application for which the camera was developed, the metrological system is used to determine the varying relative positions of...

Briefs : Photonics/Optics
Polarimetric Imaging Using Two Photoelastic Modulators

A method of polarimetric imaging, now undergoing development, involves the use of two photoelastic modulators in series, driven at equal amplitude but at different frequencies. The net effect on a beam of light is to cause (1) the direction of its polarization to rotate at the average of two...

Briefs : Photonics/Optics
Modal Filters for Infrared Interferometry

Modal filters in the ≈10-μm spectral range have been implemented as planar dielectric waveguides in infrared interferometric applications such as searching for Earth-like planets. When looking for a small, dim object (“Earth”) in close proximity to a large, bright object (“Sun”), the...

Products
Product of the Month: Soft X-Ray EUV Spectrometer

McPherson, Inc. (Chelmsford, MA) has released the 251MX x-ray and extreme ultraviolet (EUV) spectrometer, for wavelength dispersive spectral measurements from 0.6 to 20nm (60 to 2000eV). The 251MX provides corrected, flat field spectra with its selection of specially designed diffraction...

Products
Benchtop Optical Meter

The 1928-C Single-Channel Bench-top Optical Meter from Newport (Irvine, CA) interfaces with the company’s photodiode detectors, thermopiles, and pyroelectric detectors. It has the capability of measuring from 11 pW up to 20 kW of optical power and from 7uJ to 20 kJ of pulse energy. The 100 kHz sampling rate ensures that...

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Near-Infrared Photodetectors

The Siletz series of carrier multiplication devices (CMDs) from Voxtel (Beaverton, OR) are nanostructured InGaAs/ InAlAs devices that are designed to overcome the limitations of avalanche photodiodes (APDs) in the 0.9 to 1.6 micron spectral region, including the eye-safe range beyond 1.3 microns. Featuring...

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Eye-Safe Laser Illuminator

The Prolight-G from Snake Creek Lasers (Hallstead, PA) is a rugged, eye-safe laser illuminator that features a continuously-variable cone-angle setting to accommodate short-distance illumination tasks. Highly durable and water-resistant, the Prolight-G is constructed of machined and anodized aluminum. The Prolight-G...

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Supercontinuum Fiber Laser

Fianium (Southampton, UK) has developed a supercontinuum (SC) fiber laser based on its proprietary high-performance photonic crystal fiber (PCF) design. SC lasers, based on the PCF design, offer true white spectrum covering the entire 390nm-2400nm band. They also deliver greater power in the visible 400nm - 700nm part...

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Imaging Spectrometer

The Pika NIR from Resonon (Bozeman, MT) is a cost-effective, line-scan imaging spectrometer for the 900nm - 1,700nm spectral range. The system includes an embedded InGaAs camera, interchangeable c-mount objective lens, and the company’s SpectrononPro data acquisition software for plug-and-play operation. Rotational or...

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Variable Angle Tilt Stage

PROMET International (Shoreview, MN) has introduced the FiBO® Variable Angle Tilt Stage (VATS) with Bare Fiber (BF) Adapter for efficient bare fiber endface geometry testing. When used with the FiBO® 300 Interferometer, the VATS quickly verifies the nominal cleave angle of bare fiber. Reports are generated with a...

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Clear Aperture Beam Collimator

Optical Surfaces (Surrey, UK) has released a 235mm clear aperture beam collimator that can precisely measure the quality of the company’s imaging systems from the visible to the IR, using Modulation Transfer Function (MTF) criteria. The 235mm clear aperture beam collimator has an output wavefront error better...

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X-Ray Photodiode

The AXUV 100GX Absolute X-ray Photodiode from International Radiation Detectors (Torrance, CA) possesses known active silicon thicknesses and 100 percent internal quantum efficiency, making possible absolute measurement of X-ray flux with energies of 100 keV and beyond. The AXUV 100GX photodiode features a large, 10mm × 10mm...

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Pavement Profiling Sensor

LMI Technologies (Vancouver, Canada) has introduced the SelcomTM High Speed RoLineTM 1130 Sensor with laser line sensing for accurate profiling of all pavement geometries on high-speed profilers, at any vehicle speed. The laser line measuring principle improves the accuracy of pavement profiling for coarse...

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UV Curable Adhesive

Master Bond (Hackensack, NJ) offers UV10FL-1 UV curable adhesive with a tensile strength of 2,850 psi and a tensile modulus of 154,000 psi. It remains a flexible adhesive with elongation at break of 43%. UV10FL-1 is a low viscosity liquid adhesive and can be cured in a wide range of section thicknesses. The adhesive exhibits...

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Optomechanical Design Software

Lambda Research Corporation (Littleton, MA) has released TracePro® 5.0, the newest version of its optomechanical design software. TracePro 5.0 provides a new interface for modeling optical sources. Users can define and manage spectral data for each unique source and to combine different source types in a single...

Products
Digital X-Ray Detectors

PerkinElmer Optoelectronics (Waltham, MA) has introduced high-speed, high-throughput, digital X-ray detectors for industrial and medical applications, including pipeline inspection and diagnostic and therapeutic medical imaging. The amorphous silicon (a-Si) digital X-ray detectors have an output speed up to 30 fps, 16-bit...

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4-inch Fizeau Interferometer

The Z100 from ESDI (Tuscon, AZ) is a Fizeau interferometer with a four inch aperture. The interferometer is available in wavelength options of 405nm, 542nm, 1053nm, 1064nm, 1313nm, and 1550nm. Reference optics for all wavelengths, including 632.8nm, are available.

Products
Laser Diode Mounting Fixtures

ILX Lightwave Corporation (Bozeman, MT) has released the LDM-49800 series of laser diode mounting fixtures for high-power fiber-coupled laser diodes. The LDM-49800 series consists of two family members that accommodate 2-pin modules and 6-pin, 8-pin, and 14-pin butterfly laser modules. A case temperature control...

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