Photonics & Imaging

Find the latest developments in Photonics & Imaging essential to both Commercial & Government applications. Get expert solutions for imaging systems, machine vision, visualization software, human machines (HMIs), plus advances in infrared cameras and display monitoring.

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Briefs: Energy
Piezoelectric Thrust Vector Control for Hall Effect Thruster
The design of the CubeSat required precision pointing of the thrust vector through the spacecraft center of gravity to minimize fuel usage for attitude correction. Because the center of gravity shifts over the course of the mission, a means of adjusting the thrust vector was needed....
Briefs: Data Acquisition
Artificial intelligence (AI) has been used to teach wireless devices to sense people's postures and movement, even from the other side of a wall. RF-Pose uses a neural network to analyze radio...
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Articles: Photonics/Optics
While widely used for terrestrial medical applications, handheld blood analyzers are not suitable for space missions due to the short shelf-life of their...
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Products: Energy
Data Acquisition System The SLICE IP68 data acquisition system from DTS, Seal Beach, CA, measures physical signals in extreme test environments. It can embed in most test articles, and the rugged enclosure...
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Briefs: Nanotechnology
The challenge of miniaturizing devices and systems is also achieving a broader dynamic range of detection for small signals such as sound, vibration, and radio waves.
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Briefs: Photonics/Optics
Faster Photons Could Make Data Totally Secure
Transferring data using light passed along fiber optic cables has become increasingly common over the past decades, but each pulse currently contains millions of photons. That means that in principle, a portion of these could be intercepted without detection. Secure data is already encrypted, but if an...
Articles: Imaging
Virtual reality (VR) and augmented reality (AR) are in the same vein when it comes to modern technology. Both deal with digital content relayed through an immersive environment or...
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Briefs: Test & Measurement
The objective of this effort was to design, fabricate, integrate, and fly a nuclear thermal rocket without having to build massive ground test facilities. Furthermore, this nuclear rocket would...
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Briefs: Test & Measurement
The measurement of mechanical behavior in very small samples whose dimensions are on the order of microns and below can offer advantages over conventional macroscopic testing in many instances. Motivations for investigating...
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Briefs: Green Design & Manufacturing
A device and method have been developed to conduct compression and tensile tests on soft materials such as flocculated sediments, biopolymers, biological materials, and food stuffs. The device...
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Briefs: Manufacturing & Prototyping
A thin material was developed that can control the redirection and reflection of sound waves with almost perfect efficiency. While many theoretical approaches to...
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Blog: Imaging
How to Evaluate a Vision System Integrator
Many manufacturers are relying on vision system integrators to implement machine vision. Our expert tells a reader how to find the right one for you.
Blog: Manufacturing & Prototyping
Researcher Nikhil Gupta tells Tech Briefs why "exploding" a QR code inside a 3D-printed part makes counterfeiting practically impossible.
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Blog: Materials
Instead of attaching semiconductors to fabric, an MIT team has found a way to add the technology right into the fiber themselves.
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INSIDER: Energy
UCLA scientists and engineers have developed a new process for assembling semiconductor devices. The advance could lead to much more...
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INSIDER: Photonics/Optics
Replacing traditional computer chip components with light-based counterparts will eventually make electronic devices faster due to the wide bandwidth of light. Because...
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INSIDER: Semiconductors & ICs
Transistors, the tiny switches that form the bedrock of modern computing—billions of them — route electrical signals around inside the circuitry of our devices....
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Products: Mechanical & Fluid Systems
Cable Carrier igus, East Providence, RI, offers the E4.1L general-purpose energy chain (e-chain) cable carrier with high dynamics that includes a honeycomb strain relief block. It also includes separators for quick...
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Products: Sensors/Data Acquisition
Pepperl+Fuchs, Twinsburg, OH, introduced the R200 and R201 photoelectric sensors in a design that is suitable for specific mounting situations. Standardized IO-Link connection via smart sensor profiles enables integration...
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Briefs: Photonics/Optics
Hyperfine Interpolated Range Finding for CW Lidar, Radar, and Sonar Using Repeating Waveforms and Fourier Transform Reordering
NASA's Langley Research Center has developed a novel fine interpolation technique that is useful in signal processing for applications in lidar, sonar, radar, and similar modalities. The interpolation technique uses...
Briefs: Photonics/Optics
Today's glass-based lenses are bulky and resist miniaturization. To address the problem, two different imaging methods — a type of lens designed for nanoscale interaction with lightwaves, and robust...
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Products: Test & Measurement
DC Current Transducers NK Technologies, San Jose, CA, introduced DT-FD Series DC current transducers that provide a large sensing window and the ability to safely monitor circuits with voltages up to 1500 VDC,...
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Briefs: Manufacturing & Prototyping
NASA Marshall Space Flight Center has developed a numerically controlled grinding tool that eliminates undesirable periodic variations in surface contours in optical and other surfaces — such as mid-spatial...
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Briefs: Nanotechnology
Water-Repellent Nanotextures Possess Anti-Fogging Capability
Some insect bodies have evolved the ability to repel water and oil, adhere to different surfaces, and eliminate light reflections. Scientists have been studying the physical mechanisms underlying these properties found in nature and mimicking them to design materials for use in everyday...
Technology Leaders: Energy
Photovoltaic systems are continually evolving to improve their efficiency and financial viability. One trend is to move to larger strings of cells giving higher dc voltages to be...
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Briefs: Semiconductors & ICs
An increase in computing performance has been achieved by squeezing ever more transistors into a tighter space on microchips. This downsizing has also meant packing the wiring within...
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Articles: Imaging
After earning his doctorate, Debashish Roy set about creating a business from the biological imaging device he'd helped invent as a graduate student. The system held promise for...
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Briefs: Imaging
Currently, concussion is measured by the symptoms someone experiences, but it is difficult to know what is happening in the brain in any one person. To address this problem, a portable brain imaging system was...
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5 Ws: Sensors/Data Acquisition
Who PHADE could be used by government agencies to enhance public safety; for example, the government can deploy cameras in high-crime or high-accident areas, and warn specific users about potential threats....
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