Briefs: Physical Sciences
Validating Phasing and Geometry of Large Focal Plane Arrays

The Kepler Mission is designed to survey our region of the Milky Way galaxy to discover hundreds of Earth-sized and smaller planets in or near the habitable zone. The Kepler photometer is an array of 42 CCDs (charge-coupled devices) in the focal plane of a 95-cm Schmidt camera onboard...

Briefs: Physical Sciences
180-GHz Interferometric Imager

A 180-GHz interferometric imager uses compact receiver modules, combined high- and low-gain antennas, and ASIC (application specific integrated circuit) correlator technology, enabling continuous, all-weather observations of water vapor with 25-km resolution and 0.3-K noise in 15 minutes of observation for...

Briefs: Physical Sciences
Maturation of Structural Health Management Systems for Solid Rocket Motors

Concepts of an autonomous and automated space-compliant diagnostic system were developed for conditioned- based maintenance (CBM) of rocket motors for space exploration vehicles. The diagnostic system will provide real-time information on the integrity of critical...

Briefs: Information Technology
Achieving Exact and Constant Turnaround Ratio in a DDS-Based Coherent Transponder

A report describes a non-standard direct digital synthesizer (DDS) implementation that can be used as part of a coherent transponder so as to allow any rational turnaround ratio to be exactly achieved and maintained while the received frequency varies. (A coherent...

Briefs: Information Technology
Surface Modeling to Support Small-Body Spacecraft Exploration and Proximity Operations

In order to simulate physically plausible surfaces that represent geologically evolved surfaces, demonstrating demanding surface-relative guidance navigation and control (GN&C) actions, such surfaces must be made to mimic the geological processes themselves. A...

Articles: Software

One of the advantages resulting from a slow economy is the increased scrutiny placed on reducing expenses and improving efficiency. This has been the case during the past few years in the...

Articles: Sensors/Data Acquisition

Monika Weber, Christopher Yerino, Hazael Montanaro, Kane Siu Lung Lo, and Mark Reed, Yale University, New Haven, CT

Every year, food-borne bacteria cause thousands of infections in humans and animals. Outbreaks of...

Application Briefs: Sensors/Data Acquisition
G-Link®, SG-Link®, WSDA®, and SensorCloud® wireless sensor components
MicroStrain
Williston, VT
802-862-6629
www.microstrain.com

MicroStrain provided NASA...

Application Briefs: Sensors/Data Acquisition
Genesis HighSpeed data acquisition system and Perception software
HBM
Marlboro, MA
508-624-4500
www.hbm.com

NASA Kennedy Space Center, based in Cape Canaveral, FL,...

Articles: Research Lab

In the 1960s, NASA’s John C. Stennis Space Center, all but hidden away in the piney woods of south Mississippi, built a reputation of excellence in testing the massive first and second stages of the Saturn...

Briefs: Photonics/Optics

The single-photon counting imaging sensor is typically an array of silicon Geiger-mode avalanche photodiodes that are monolithically integrated with CMOS (complementary metal oxide...

Briefs: Photonics/Optics
Qualification of Fiber Optic Cables for Martian Extreme Temperature Environments

Means have been developed for enabling fiber optic cables of the Laser Induced Breakdown Spectrometer instrument to survive ground operations plus the nominal 670 Martian conditions that include Martian summer and winter seasons. The purpose of this development was...

Briefs: Photonics/Optics
Transverse Pupil Shifts for Adaptive Optics Non-Common Path Calibration

A simple new way of obtaining absolute wavefront measurements with a laboratory Fizeau interferometer was recently devised. In that case, the observed wavefront map is the difference of two cavity surfaces, those of the mirror under test and of an unknown reference surface...

Briefs: Physical Sciences
Solid-State Spectral Light Source System

A solid-state light source combines an array of light-emitting diodes (LEDs) with advanced electronic control and stabilization over both the spectrum and overall level of the light output. The use of LEDs provides efficient operation over a wide range of wavelengths and power levels, while electronic...

Articles: Photonics/Optics

Everywhere we look we are bombarded with 3D. It’s in movies, in-home entertainment, digital camcorders, gaming systems, laptops, and even in our labs. What is it about 3D that is so...

Application Briefs: Photonics/Optics

Disaster relief workers, border patrol officers, wildfire fighters, and many others need up-to-date information about what they will see when they enter an area, not just sketchy topographic maps that...

Products: Photonics/Optics

Agilent Technologies (Santa Clara, CA) has introduced a compact tunable laser module for its 816x Series lightwave measurement platform. The Agilent 81960A module, which features a 200 nm/s...

Products: Photonics/Optics

The NSC1101 from New Imaging Technologies (NIT) Corp. (Verrières le Buisson, France) is a high-dynamic-range read out circuit (ROIC) designed to interface with photodiode arrays. The NSC1101 has a VGA...

Products: Photonics/Optics

New Ridge Technologies (Owings Mills, MD) has announced the expansion of its NRT-2500 product line to include the TruePhase IPLM Inline Polarimeter from OFS (Norcross, GA). The NRT-2500, a polarization control...

Products: Photonics/Optics

Power Technology (Little Rock, AR) offers a 515-nm, 20-mW green laser diode module. The laser modules have been created specifically to address the needs of high-end OEM applications requiring ultra-stable...

Products: Photonics/Optics

Linear Array Photomultiplier tube (PMT) modules from Hamamatsu Corporation (Bridgewater, NJ) offer high cathode sensitivity, high gain, and high-speed response. The H11451 series features 8 channels in a linear...

Products: Photonics/Optics

REO (Boulder, CO) offers pentaprisms with coatings optimized for demanding laser applications, such as target designation and range finding. The pentaprisms feature dielectric antireflection and high-reflection coatings...

Products: Photonics/Optics

Based on diode-pumped disk laser technology, the femtosecond laser JenLas® D2.fs from JENOPTIK Laser Technologies Corp. (Brighton, MI) emits high pulse energies of 40 μJ at 100 kHz repetition rate, and can operate in...

Products: Photonics/Optics

MyLight, an online filter modeling tool from Semrock (Rochester, NY), provides users with the ability to characterize optical filters under varying theoretical conditions in real time. The technology offers answers on...

Products: Photonics/Optics

AFL (Spartanburg, SC) offers network activation kits designed to support installation and commissioning of optical equipment in telecom, broadband, and other single-mode optical fiber networks. All network activation...

Products: Photonics/Optics

A 200kV transmission electron microscope from JEOL (Peabody, MA) delivers nanoanalysis for process and quality control of mass-produced semiconductor and materials samples. The multi-function JEOL JEM-2800...

Techs for License
Magnetic Device Separates Hydrogen from Oxygen

High temperatures have been used to dissociate water, but in many cases, the oxygen and hydrogen recombine when temperatures drop. A new device magnetically separates hydrogen from oxygen at elevated temperatures. Steam enters a reaction chamber, heats to over 150 °C in a focused solar beam, and...

Techs for License
Piezo-Driven Pressure Controller Saves Heat

Using a piezo-actuated valve and an integral, closed-loop pressure control circuit, a modular controller maintains the pressure of non-corrosive to mildly corrosive gases. The Active Pressure Controller (APC) consumes minimal power (

Tech Needs
Pathogen Inactivation Technologies

Although there are highly sensitive methods for pathogen detection in donor blood, the risk of infection via transfusion remains. A customer seeks methods to inactivate all known and unknown blood-borne pathogens in blood products, especially where those technologies can be used for whole blood or red blood...

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