Briefs: Physical Sciences

Resonant Tunneling Spin Pump

The resonant tunneling spin pump is a proposed semiconductor device that would generate spin-polarized electron currents. The resonant tunneling spin pump would be a purely electrical device in the sense that it...

Briefs: Information Technology

POD Model Reconstruction for Gray-Box Fault Detection

Proper orthogonal decomposition (POD) is the mathematical basis of a method of constructing low-order mathematical models for the "gray-box" fault- detection algorithm that is a component...

Briefs: Information Technology

System for Estimating Horizontal Velocity During Descent

The descent image motion estimation system (DIMES) is a system of hardware and software, designed for original use in estimating the horizontal velocity of a spacecraft descending...

Articles: Nanotechnology

National Nano Engineering Conference Preview

The 2007 NASA Tech Briefs National Nano Engineering Conference (NNEC), to be held November 14-15 at the Boston Marriott Copley Place, is produced for design engineers who want to know what’s...

Articles: Research Lab

Eye On Innovation

By Mike Santori
National Instruments
Business & Technology Fellow
National Instruments
Austin, TX

High-tech companies live and die by their ability to innovate. Creating new products and...

Products

LPC-350-PCI Little PC

Stealth Computer Corp., Woodbridge, ON, Canada, has introduced the LPC- 350PCI Little PC, a mini personal computer that can fit in the palm of your hand. The anodized aluminum chassis measures about 2" tall, and...

Who's Who: Software

David Iverson, Computer Scientist, NASA's Ames Research Center, Moffett Field, CA

The Inductive Monitoring System (IMS) is a new computer program that monitors gyroscopes that keep the International Space Station properly oriented in space....

Techs for License

Laser Drilling of Ceramic Composites to Form Smooth-Walled Holes

Attempts to mechanically drill high-temperature ceramic components can doom them to failure. Even laser drilling can compromise the surface oxidation layer that protects the...

Techs for License

Molecular Vaccine for Prophylaxis and Treatment of Listeriosis

Biomedical Center in Moscow has developed a peptide formulation that induces activation and proliferation of the cytotoxic lymphocyte’s (CTL) clones and enables them to...

Briefs: Physical Sciences

Cold Atom Source Containing Multiple Magneto-Optical Traps

An apparatus that serves as a source of a cold beam of atoms contains multiple two-dimensional (2D) magneto-optical traps (MOTs). (Cold beams of atoms are used in atomic clocks and...

Articles: Photonics/Optics

LED-Equipped Spectrophotometers Find Their Way to the Factory Floor

Companies that manufacture products ultimately used by consumers — interior trim for cars, vinyl siding for homes, decorative stone for landscaping, interior wall paints,...

Application Briefs: Photonics/Optics

Improving Lens Performance With Transmitted Wavefront Error Testing

During design and manufacturing, optical systems and lenses are toleranced and tested to ensure the smallest possible performance error. Matching most optics manufacturing...

Briefs: Photonics/Optics

Optical Magnetometer Incorporating Photonic Crystals

According to a proposal, photonic crystals would be used to greatly increase the sensitivities of optical magnetometers that are already regarded as ultrasensitive. The proposal applies,...

Briefs: Photonics/Optics

Raman-Suppressing Coupling for Optical Parametric Oscillator

A Raman-scattering-suppressing input/output coupling scheme has been devised for a whispering-gallery-mode optical resonator that is used as a four-wave-mixing device to effect an...

Briefs: Photonics/Optics

WGM-Resonator/Tapered-Waveguide White-Light Sensor Optics

Theoretical and experimental investigations have demonstrated the feasibility of compact white-light sensor optics consisting of unitary combinations of (1) low-profile...

Briefs: Photonics/Optics

Opto-Electronic Oscillator Using Suppressed Phase Modulation

A proposed opto-electronic oscillator (OEO) would generate a microwave signal having degrees of frequency stability and spectral purity greater than those achieved in prior OEOs....

Products: Photonics/Optics

LED Fiberscope

OPTIM Inc. (Sturbridge, MA) introduces the FreedomView™ LED Fiberscope, a handheld, portable inspection device that combines a high intensity LED light source with a flexible insertion shaft that can be fully immersed in...

Products: Photonics/Optics

Light Pipe Homogenizing Rods

Edmund Optics (Barrington, NJ) announces the release of the TechSpec™ family of light pipe homogenizing rods for OEM illumination needs. The rods use total internal reflection to turn a non-uniform light source...

Products: Photonics/Optics

5 Megapixel Cameras

EPIX, Inc. (Buffalo Grove, IL) introduces the SV5C10 12-bit color and the SV5M10 12-bit monochrome 5 megapixel 10 fps cameras. These camera systems, which are based on the MT9P001 sensor from Micron, offer both an...

Products: Photonics/Optics

Line Scan Camera

DALSA Corporation (Waterloo, Ontario) has introduced its Spyder 3 CL line scan camera with Camera Link interface. It has broadband responsivity up to 408 DN/(nJ/cm²) enabling low-light applications, and up to 68...

Products: Photonics/Optics

Ball Lenses

Antireflection (AR) coated ball lenses from Deposition Sciences, Inc. (Santa Rosa, CA) are available in a variety of glass indexes and sizes from 200 microns up to 10.0 mm diameter. They feature transmission values of greater...

Products: Photonics/Optics

Twyman-Green Interferometer

The PhaseCam™ 5030 from 4D Technology (Tucson, AZ) is a high-performance, Twyman-Green interferometer developed specifically to measure meter-class optics for terrestrial and space-based telescopes. Unlike...

Products: Photonics/Optics

Wide Angle Zoom Adapter

The 287-000 Series Wide Angle Zoom Adapter from Resolve Optics Ltd. (Chesham, UK) provides a true 0.5x field of view and maintains minimal distortion and high resolution throughout the zoom range of a camera. Each...

Products: Photonics/Optics

Digital Line Scan NIR/SWIR Camera

Sensors Unlimited, Inc. (Princeton, NJ) introduces the SU-LDH digital line scan shortwave infrared (SWIR) camera for spectroscopy and machine vision applications. The near infrared (NIR) indium gallium...

Products: Photonics/Optics

Optical Inspection Device

The Super Optical Device 3 from Moritex (San Jose, CA) is a unit optimized for vision and inspection applications that require mounted lens and lighting. Available in three different versions, the Super Optical...

Products: Photonics/Optics

Optical Channel Monitor

AMS Technologies (Martinsried, Germany) has introduced the Optical Channel Monitor, which provides critical data on optical transmission signals present in DWDM networks with a scan time of less than 100msec. The...