Briefs: Aerospace
The work described here is part of the U.S. Air Force-sponsored Operational Based Vision Assessment (OBVA) program that has been tasked with developing a high-fidelity flight...
Briefs: Medical
Low Er-Doped Yttrium Gallium Garnet (YGG) as Active Media for Solid-State Lasers at 1651 nm
The typical approach for producing laser output at the 1651-nm wavelength is via nonlinear frequency conversion. Lasers based on nonlinear conversion are complex, and it is very difficult to provide stability over time and over a wide range of operating...
Briefs: Test & Measurement
Dual-Cavity Rayleigh Scattering Measurement System
Molecular-based optical diagnostics techniques capable of obtaining simultaneous measurements of multiple fluid properties are critically important for characterizing hypersonic air-breathing engines, such as scramjet engines and scramjet-rocket combined cycle engines. Correlations between those...
Briefs: Test & Measurement
Miniature Laser Magnetometer
Space missions using magnetometers have been very successful. However, science missions now require higher levels of accuracy and stability in order to refine existing understanding and improve modeling. In most space missions that require high-accuracy vector measurement of magnetic fields, a separate scalar...
Briefs: Test & Measurement
Cryogenic Slosh Apparatus
Commercially available components are integrated into an assembly that can be used to measure the slosh dynamics of cryogenic liquids. The apparatus consists of a linear motion table that is properly instrumented to record high fidelity position, force, and acceleration measurements of all linear and rotation responses...
Briefs: Test & Measurement
Negative-Ion Time Projection Chamber Polarimeter for Measuring Polarization of Bright Transient Astrophysical Sources
A negative ion time projection chamber (NI-TPC) was developed that is suitable for measuring the polarization of bright transient events. The polarization of the astrophysical source is determined by imaging photoelectron tracks...
Briefs: Robotics, Automation & Control
Advanced Rolling Mechanics Analysis (AROMA) 1.0
AROMA uses a boundary-element formulation to calculate normal and shear pressure distributions and sub-surface stresses for elastic bodies in contact. In addition to handling static normal and sheer loading, it also solves the contact problem for rolling elements such as bearings, traction drives,...
Products: Motion Control
POSITAL (Hamilton, NJ) introduced new models of IXARC magnetic encoders that combine incremental and absolute rotation measurement capabilities in a single, compact package. Absolute encoders provide a control system with a...
Briefs: Test & Measurement
The U.S. National Research Council recently identified the need for a near-term space mission of Active Sensing of CO2 Emissions over Nights, Days,...
INSIDER: Energy
Michigan State University researchers have developed a technology that allows sensing, communication, and diagnostic computing — all within the building material of a structure.
INSIDER: Imaging
Chameleon-Like Material Changes Color on Demand
Researchers from the University of California at Berkeley have created a thin, chameleon-like material that can be made to change color — on demand — by applying a minute amount of force.
INSIDER: Test & Measurement
When ice accumulates on the surface of an aircraft during flight, it distorts the smooth flow of air necessary to stay aloft. The result is a reduction in lift, which can lead to...
INSIDER: Test & Measurement
Researchers have developed a fluorescence-based sensor device that can rapidly identify cancer-related volatile organic compounds found exclusively in the exhaled breath of some people with lung...
INSIDER: Test & Measurement
Researchers have visualized on a microscopic level how certain steels fracture when extreme loads are applied to them. Scientists used a scanning electron microscope to obtain high-resolution images...
Articles: Test & Measurement
The term “smart grid” is an umbrella term used to refer to new technologies that aim to address today’s electrical power grid challenges. At a high level, these technologies address challenges...
Articles: Test & Measurement
NASA has sent more than a few robotic missions into space, but it never loses sight of its goal to enable human exploration of the cosmos. A core component of planning for...
Articles: Photonics/Optics
On April 24, 1990, something happened that forever altered mankind’s view of the universe. It was on that day that the Hubble Space Telescope (HST) was launched into space aboard the Space Shuttle Discovery.
Briefs: Test & Measurement
Nozzle Heat Flux Gauge
This innovation is a tungsten-rhenium gauge that can be placed into an aft exit cone of a rocket motor. It will measure heat flux with time for the full duration of the RSRM (reusable solid rocket motor) nozzle environment with equal response time.
Briefs: Test & Measurement
Magnetic Sensitivity of a Ka-Band Isolator Measured Using the GRAIL Testbed
The magnetic sensitivity of a Ka-band isolator’s output phase is measured at 7 × 10–4 deg/G level. This high degree of precision is enabled by the sensitive phase measuring capabilities of a testbed built to mimic NASA’s Gravity Recovery and Interior...
Application Briefs: Test & Measurement
Diversified Technical Systems (DTS)
Seal Beach, CA
562-493-0158
www.dtsweb.com
It’s no simple task to travel 3,600 miles into space,...
Products: Manufacturing & Prototyping
Instron, Norwood, MA, introduced the AVE 2 strain measurement system that conforms to testing standards such as ISO 527, ASTM D3039, and ASTM D638. The video extensometer utilizes patented measurement technology, and...
INSIDER: Test & Measurement
A new underwater robot designed by University of Washington researchers will monitor the effects of tidal and wave energy on marine habitats.
INSIDER: Test & Measurement
A NASA scientist, who has played a key role in developing and demonstrating a new technique for gathering carbon-dioxide (CO2) measurements, is applying the same general principles to develop a new...
INSIDER: Test & Measurement
ORCA Prototype Ready to Observe Ocean
If selected for a NASA flight mission, the Ocean Radiometer for Carbon Assessment (ORCA) instrument will study microscopic phytoplankton, the tiny green plants that float in the upper layer of the ocean and make up the base of the marine food chain.
Articles: Test & Measurement
Do you see product testing and checking as a necessary evil? Then take some time to change your mind. In the long process from vision to reality of a product, intelligent and efficient testing is indispensable. The...
Application Briefs: Sensors/Data Acquisition
In the past, controlling the indoor climate in homes consisted of a thermostat regulating the heat, and ventilating the homes by opening the windows. New energy performance...
Articles: Test & Measurement
Touch screens are slowly but surely creeping into every aspect of our day-to-day lives. It’s not unlikely that you wake up to a cellphone alarm, adjust the room temperature on a thermostat, change the radio...
Articles: Test & Measurement
Many aspects of the test and measurement business are different from the way they were relatively few years ago. Perhaps the most obvious example is the people who are using test and measurement instrumentation. A...
Products: Sensors/Data Acquisition
JG&A Metrology Center (Detroit, MI) introduced increased flat panel sizes for computed tomography (CT) systems. Cone beam systems now utilize flat panel technology and scan parts up to 14" (350 mm) in...
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