Stories
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Briefs: Physical Sciences
Hyperspectral Imager-Tracker
The Hyperspectral Imager-Tracker (HIT) is a technique for visualization and tracking of low-contrast, fast-moving objects. The HIT architecture is based on an innovative and only recently developed concept in imaging optics. This innovative architecture will give the Light Prescriptions Innovators (LPI) HIT the...
Briefs: Physical Sciences
A compact, low-cost laser communications transceiver was prototyped for downlinking data at 10 Gb/s from Earth-orbiting spacecraft. The design can be...
Briefs: Physical Sciences
Environmental Qualification of a Single- Crystal Silicon Mirror for Spaceflight Use
This innovation is the environmental qualification of a single-crystal silicon mirror for spaceflight use. The single-crystal silicon mirror technology is a previous innovation, but until now, a mirror of this type has not been qualified for spaceflight use. The...
Briefs: Physical Sciences
Multi-Pass Quadrupole Mass Analyzer
Analysis of the composition of planetary atmospheres is one of the most important and fundamental measurements in planetary robotic exploration. Quadrupole mass analyzers (QMAs) are the primary tool used to execute these investigations, but reductions in size of these instruments has sacrificed mass resolving...
Briefs: Physical Sciences
Lunar Sulfur Capture System
The Lunar Sulfur Capture System (LSCS) protects in situ resource utilization (ISRU) hardware from corrosion, and reduces contaminant levels in water condensed for electrolysis. The LSCS uses a lunar soil sorbent to trap over 98 percent of sulfur gases and about twothirds of halide gases evolved during hydrogen reduction...
Briefs: Physical Sciences
The purpose of this development was to validate the use of the external Rover Ultra High Frequency (RUHF) antenna for space under extreme thermal environments to be...
Briefs: Physical Sciences
Planar Superconducting Millimeter-Wave/Terahertz Channelizing Filter
This innovation is a compact, superconducting, channelizing bandpass filter on a single-crystal (0.45 μm thick) silicon substrate, which operates from 300 to 600 GHz. This device consists of four channels with center frequencies of 310, 380, 460, and 550 GHz, with approximately...
Briefs: Imaging
Planetary Data Systems (PDS) Imaging Node Atlas II
The Planetary Image Atlas (PIA) is a Rich Internet Application (RIA) that serves planetary imaging data to the science community and the general public. PIA also utilizes the USGS Unified Planetary Coordinate system (UPC) and the on-Mars map server.
Briefs: Physical Sciences
Automatic Calibration of an Airborne Imaging System to an Inertial Navigation Unit
This software automatically calibrates a camera or an imaging array to an inertial navigation system (INS) that is rigidly mounted to the array or imager. In effect, it recovers the coordinate frame transformation between the reference frame of the imager and the...
Briefs: Physical Sciences
Support Routines for In Situ Image Processing
This software consists of a set of application programs that support ground-based image processing for in situ missions. These programs represent a collection of utility routines that perform miscellaneous functions in the context of the ground data system. Each one fulfills some specific need as...
Blog: Photonics/Optics
Laser Eye Beams
As the editor of Photonics Tech Briefs, I cover laser technology for a living. They’re pretty fascinating devices, but that doesn’t mean I ever wanted to have a laser beam shot into my eye. Unfortunately, Father Time and our own bodies do not always give us a choice.
I was recently diagnosed as a prime candidate for narrow angle...
News: Aerospace
Preventing Insect Remains from Adhering to Aircraft Wings
Researchers at NASA's Langley Research Center in Virginia are studying ways to prevent the remains of insect impacts from adhering to the wing of an aircraft in flight. The research is serious, and positive results could help NASA's aeronautical innovators achieve their goals for improving...
Who's Who: Aerospace
Rob Mueller is the Lead Senior Technologist for the RASSOR (Regolith Advanced Surface Systems Operations Robot) project, as well as all Kennedy Space Center (KSC) Human Robotics...
Briefs: Medical
Functional Near-Infrared Spectroscopy Signals Measure Neuronal Activity in the Cortex
Functional near infrared spectroscopy (fNIRS) is an emerging optical neuroimaging technology that indirectly measures neuronal activity in the cortex via neurovascular coupling. It quantifies hemoglobin concentration ([Hb]) and thus measures the same hemodynamic...
Briefs: Physical Sciences
ESD Test Apparatus for Soldering Irons
ESDA (Electrostatic Discharge Association) ESD STM 13.1-2000 requires frequent testing of the voltage leakage from the tip of a soldering iron and the resistance from the tip of the soldering iron to the common point ground. Without this test apparatus, the process is time-consuming and requires several wires,...
Briefs: Physical Sciences
Heat flow is a fundamental property of a planet, and provides significant constraints on the abundance of radiogenic isotopes, the thermal evolution and differentiation history, and the mechanical properties...
Briefs: Physical Sciences
FPGA-Based X-Ray Detection and Measurement for an X-Ray Polarimeter
This technology enables detection and measurement of x-rays in an x-ray polarimeter using a field-programmable gate array (FPGA). The technology was developed for the Gravitational and Extreme Magnetism Small Explorer (GEMS) mission. It performs precision energy and timing...
Briefs: Physical Sciences
Method to Measure Total Noise Temperature of a Wireless Receiver During Operation
A method has been developed to measure the total effective noise power in a GPS receiver, including contributions from the system temperature, the antenna temperature, interference, lossy components, etc. A known level of noise is periodically injected before the...
Briefs: Physical Sciences
Future sustainable energy generation technologies such as photovoltaic and wind farms require advanced energy storage systems on a massive scale to make the...
Briefs: Physical Sciences
Reliability of CCGA 1152 and CCGA 1272 Interconnect Packages for Extreme Thermal Environments
Ceramic column grid array (CCGA) packages have been increasing in use based on their advantages of high interconnect density, very good thermal and electrical performance, and compatibility with standard surface-mount packaging assembly processes. CCGA...
Briefs: Physical Sciences
Using a Blender to Assess the Microbial Density of Encapsulated Organisms
There are specific NASA requirementsfor source-specific encapsulated microbial density for encapsulated organisms in non-metallic materials. Projects such as the Mars Science Laboratory (MSL) that use large volumes of non-metallic materials of planetary protection concern...
News: Materials
Nano Sensor Measures Vibration in the Quantum World
Carbon nanotubes and magnetic molecules are considered building blocks of future nanoelectronic systems. Researchers of Karlsruhe Institute of Technology and French colleagues have combined both components on the atomic level and to build a quantum mechanical system with novel properties.
News: Sensors/Data Acquisition
Quantum Sensing Shows Promise for Military Navigation, Detection
U.S. Army Research Laboratory scientists in the Sensors and Electron Devices Directorate are currently exploring the field of quantum sensing and are discovering ways in which the Army can benefit from innovations that were once thought impossible.
Briefs: Physical Sciences
LVGEMS Time-of-Flight Mass Spectrometry on Satellites
NASA’s investigations of the upper atmosphere and ionosphere require measurements of composition of the neutral air and ions. NASA is able to undertake these observations, but the instruments currently in use have their limitations. NASA has extended the scope of its research in the atmosphere...
Briefs: Physical Sciences
The Space Shuttle Orbiter windows were damaged both by micrometeor impacts and by handling, and required careful inspection before they could be reused. The launch commit criteria...
Briefs: Physical Sciences
Per-Pixel, Dual-Counter Scheme for Optical Communications
Free space optical communications links from deep space are projected to fulfill future NASA communication requirements for 2020 and beyond. Accurate laser-beam pointing is required to achieve high data rates at low power levels. For the highest pointing accuracy, a laser beacon transmitted...
Briefs: Physical Sciences
Spacecraft Crew Cabin Condensation Control
A report discusses a new technique to prevent condensation on the cabin walls of manned spacecraft exposed to the cold environment of space, as such condensation could lead to free water in the cabin. This could facilitate the growth of mold and bacteria, and could lead to oxidation and weakening of the...
Who's Who: Aerospace
Dr. Andrew Watson works on models of human vision and applies them to visual technology. The Founder and Editor in Chief of the Journal of Vision,...
Briefs: Physical Sciences
This work focused on developing, fabricating, and fully calibrating a flow-angle probe for aeronautics research by utilizing the latest...
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