Test & Measurement

Measuring Instruments

Explore a range of technical briefs and articles digging deep into advanced measuring instruments and devices. Find the latest developments that design engineers are using to meet their design challenges.

Briefs: Photonics/Optics
Embedded Fiber Optic Sensors (EFOS)

Current laser interferometry pressure pulse detection techniques use the shock-induced change in index of refraction to track detonation and/or shock fronts in a single fiber optic by reflecting laser...

Glenn's research facilities have contributed to decades of technology advances.
This method also reverse-engineers computer chips to detect the chip’s purpose.

Undercooled metal technology was developed that features liquid metal (in this case, Field's metal, an alloy of bismuth, indium, and tin) trapped below its melting point in polished,...

Magnetic resonance imaging (MRI) machines are employed to locate cancerous tumors and aid in the development of treatment plans, while nuclear magnetic resonance (NMR) machines are used to...

Facility Focus: Manufacturing & Prototyping
Facility Focus: National Science Foundation
In recent decades, NSF-funded researchers have discovered quite a bit, including many of the fundamental particles of matter.
Briefs: Imaging
X-ray Measurement Approach Could Improve CT Scanners

A new measurement approach could lead to a better way to calibrate computed tomography (CT) scanners, potentially streamlining patient treatment by improving communication among doctors.

Briefs: Mechanical & Fluid Systems
Battery-Free Sensor for Underwater Use

To investigate oceans, researchers aim to build a submerged network of interconnected sensors that sends data to the surface. Supplying constant power to scores of sensors designed to stay for long...

3D-printing platforms, simulation software, transistors, and more.

Understanding how cars, planes, bridges, and other structures handle vibrations and dynamic loads can be critical to their design and performance. Researchers have developed a new way to...

Briefs: Test & Measurement
Wearable Motion Sensors Measure Fetal Heartbeat

A technique was developed that could allow expectant parents to hear their baby’s heartbeat continuously at home with a non-invasive and safe device that is potentially more accurate than any fetal heartrate monitor currently available in the market.

Briefs: Robotics, Automation & Control
Simulating Softness for Haptic Interfaces

Researchers have developed a formula that enables them to recreate different levels of perceived softness. Based on the results from their experiments, they created equations that can calculate how...

Articles: Electronics & Computers
Products of Tomorrow: November 2019

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that...

Make the best selection for your hospital, clinic, or life science organization.
Application Briefs: Test & Measurement
Quantitative Analysis of Raw Milk Using Spectral Sensors
Measuring milk components has become very crucial for the dairy industry.
LIDAR Systems, Smart Cameras, Optical Communications, and more.
Machine vision systems shed light on processes too small or too fast to see with the human eye.
Laser illumination is scaling in a new direction.
Products: Electronics & Computers
Product of the Month: November 2019 Tech Briefs
OnLogic has introduced the Karbon 700 high-performance rugged computer.
Briefs: Test & Measurement
Software Applications for the Control and Management of the Amine Swingbed Experiment

The Swingbed software applications provide for the control, command, fault detection, fault recovery, and telemetry monitoring aspects of the Amine Swingbed experiment. These software components are the Swingbed Loader Computer Software Configuration Item...

Products: Electronics & Computers
New on the Market: October 2019
See the new tech products being offered in October 2019.

In the wake of recent developments that have reduced fan and jet noise contributions to overall jet-engine noise, aircraft designers are turning their attention toward reducing engine core...

Researchers at NASA’s Armstrong Flight Research Center are pioneering shape-sensing technologies that seek to maximize structural integrity and efficiency. A new and...

In the digital age, the measurement of rotation of a mechanical shaft on a motor or a rotating instrument knob needs to be done quickly and efficiently....

Toposens, Sunnyvale, CA, released the TS3, a 3D ultrasonic sensor suitable for autonomous systems including robotics, autonomous vehicles, and other positioning applications that require...

Different instruments are needed to study the interaction of contact surfaces at different length scales. Tribometers measure the coefficient of friction but they...

At the scale of bridges or buildings, the most important force that engineered structures need to deal with is gravity. But at the scale of microelectro-mechanical systems (MEMS) — devices like...

Briefs: RF & Microwave Electronics
Antenna Near-Field Probe Station Scanner

Antenna characterization techniques are often expensive and time-consuming. NASA’s Glenn Research Center developed a highly versatile and automated system to perform characterization of single or multiple small circuit antennas, printed on-wafer or on other substrates, by measuring the antenna’s...

A soft and conformable health monitor can broadcast electrocardiogram (ECG), heart rate, respiratory rate, and motion activity data as much as 15 meters to a portable recording...

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