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Briefs
Medical

Helmet Made of Magnetic Metamaterials Could Improve Brain Scans

It may look like a bizarre bike helmet, or a piece of equipment found in Doc Brown’s lab in Back to the Future, yet this gadget made of plastic and copper wire is a...

Briefs
Imaging

Sensor Breakthrough Paves the Way for a Map of the World Under Earth’s Surface

The quantum gravity gradiometer was used to find a tunnel buried outdoors in real-world conditions one meter below the ground surface.

NASA Spinoff
Manufacturing & Prototyping

Webb Telescope Mirror Tech Improves Eye Surgery on Earth

Eye surgery patients on Earth are benefiting from early research on the NASA’s James Webb Telescope’s enormous mirrors.

News
Manned Systems

SAE International Extends Call for Abstracts, Seeks Submissions for AeroTech Conference

Engineering Events staff at SAE International in Warrendale, Pennsylvania, have extended the call for abstracts through September 21 for the...

Application Briefs
Aerospace

Cryogenic Thermal Subsystem

The Cryogenic Thermal Subsystem’s most critical function is to provide cooling to maintain the detectors in two of the Roman Coronagraph Instrument’s cameras at sufficiently low temperatures of approximately minus 161o F, which will allow them to function with the required sensitivity.

Articles
Photonics/Optics

Designing A/D Converters for the James Webb Space Telescope

The James Webb Space Telescope (JWST) has four infrared cameras to view the stars.

Articles
Manned Systems

Deere Advances In-Field Autonomy

John Deere got “really serious” about autonomy in 2019, according to Joe Liefer, senior product manager of autonomy at John Deere Intelligent Solutions Group. Three years later – after forming an...

Articles
Unmanned Systems

Sensing Enters a New Era

More than 1.3 million people die on the world’s roadways each year and another 50 million are injured. While roadway safety has improved over time, all countries face formidable challenges in reducing the...

Features
Medical

Designing Lenses for Near-Infrared and Fluorescence Endoscopy

Fluorescence endoscopy is becoming increasingly important in many medical diagnostic tests. Based on the molecular absorption of light, this technique works by revealing...

Application Briefs
Aerospace

Cryocooler Technology

Northrop Grumman
Falls Church, VA
215-675-4949
www.northropgrumman.com

NASA’s James Webb Space Telescope, built in partnership with Northrop Grumman Corporation, is one step closer to being fully...

Briefs
Aerospace

Diffraction Suppressed Mirror

Precise optical systems, especially those sensitive to information loss, are typically designed to minimize the use of mirrors. This is due to the Airy disk effect inherent to all conventional mirrors, which is a result of diffraction of the incident light. This effect represents information loss between the...

Briefs
Sensors/Data Acquisition

Shaping Light Enables 2D Microscopes to Capture 4D Data

Super temporal resolution microscopy allows imaging of fluorescent molecules 20 times faster than traditional lab cameras normally allow. A general method has been developed to let a...

Briefs
Medical

Constructing 3D Models of Mineralized Tissue On-Demand

A technique to grow 3D tissue constructs, similar to human bone, in a laboratory environment has been developed by bioengineers at NASA Johnson Space Center. Problems arise when...

Briefs
Imaging

An Artificial Intelligence System to Identify Objects in Cluttered Scenes

Robotic vision has come a long way, reaching a level of sophistication with applications in complex and demanding tasks, such as autonomous driving and object...

Briefs
Photonics/Optics

High-Power Terahertz Laser for Sensing and Imaging

A terahertz laser was developed with high constant power, tight beam pattern, and broad electric frequency tuning for a wide range of applications in chemical sensing and imaging. The...

Briefs
Photonics/Optics

Shaping Light with a Dynamically Tunable Smart Lens

The importance of optical image quality and the trend toward thinner smart-phones have pushed manufacturers to increase the number of cameras in order to provide cellphones with better...

Briefs
Imaging

Robot Senses Hidden Objects

Researchers have developed a robot that uses radio waves, which can pass through walls, to sense occluded objects. The robot, called RF-Grasp, combines this powerful sensing with more traditional computer vision...

Articles
Defense

Understanding Cryocooled Infrared System Reliability

Where the ability to detect mid-wave infrared (MWIR) radiation is mission critical, readiness and the importance of long, maintenance-free infrared (IR) system operation is vital. In...

Articles
Electronics & Computers

Using CoaXPress-over-Fiber for High-Speed Machine Vision

High-speed digital imaging expands the benefits of traditional machine vision (MV), transforming it from a process control tool into a diagnostic tool. Traditional MV systems use...

Articles
Imaging

Using Underwater Robotics for Autonomous Deep-Sea Exploration

A decade ago, industries that needed to perform underwater inspection and maintenance had only one option: send a human diver into the water. In both the military and commercial...

Briefs
Materials

Tiny Optical Elements Could Replace Traditional Refractive Lenses

Researchers have developed tiny optical elements from metal nanoparticles and a polymer that could replace traditional refractive lenses to realize portable imaging systems...

Technology Leaders
Imaging

Determining Dynamic Object Tracking Accuracy

There is already a wide body of work in which assessments of various motion capture systems have produced a wide range of different results. These studies produce useful and relevant results for...

Briefs
RF & Microwave Electronics

5G Strobe Light: NIST Imaging System Spotlights the Tiny Mechanical Hearts at the Core of Every Cellphone

Inside every cellphone lies a tiny mechanical heart, beating several billion times a second. These micromechanical resonators play an...

Briefs
Photonics/Optics

Terahertz Energy Focused by Credit Card-Sized Device to Generate High-Resolution Images

Researchers have created a device that enables them to electronically steer and focus a beam of terahertz electromagnetic energy with extreme precision....

Q&A
Electronics & Computers

Q&A: Radar Imaging at Terahertz Frequencies

Professor Kenneth K. O. and his colleagues at The University of Texas at Dallas and Oklahoma State University have developed an innovative and affordable terahertz imager microchip that can enable...

Briefs
Communications

Nanoscale 3D Structure to Control Light

3D nanometer-scale metamaterial structures hold promise for advanced optical isolators.

Briefs
Photonics/Optics

Optical Signal Amplifying Technique

Optical Signals can be retrieved from inherent background noise using Talbot effect to amplify them.

Features
Imaging

Achieving High-Speed Real-Time Image Cytometry

Real-time imaging at high speeds faces three primary challenges.

Briefs
Medical

Optimizing Illumination for qPCR Diagnostics — Design Considerations

A complete optical path minimizes signal crosstalk between detection channels.