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.

Briefs : Energy
Microscopy Technique Works at Extreme Heat

A stainless steel alloy — alloy 709 — has potential for elevated-temperature applications such as nuclear reactor structures. It is exceptionally strong and resistant to damage when exposed to...

Briefs : Aerospace
Computed Tomography Inspection Applications in Additive Manufacturing

The ability of additive manufacturing to manage small volumes, create complex designs, and fabricate lightweight but strong structures makes it a natural fit for aerospace...

Briefs : Medical
Compact Device for Detecting Rheumatoid Arthritis

A device that shows the difference between healthy fingers and arthritic fingers has been developed that combines ultrasound and photoacoustics medical imaging techniques. Combining these...

Briefs : Imaging
Method and Means to Analyze Thermographic Data Acquired During Automated Fiber Placement

Automated Fiber Placement (AFP) machines can be susceptible to tow-tape defects such as gaps and overlaps. These can reduce strength between 7% and 32%....

Application Briefs : Photonics/Optics
Clear Vision for UAVs

The rapidly expanding world-wide use of unmanned aerial vehicles (UAV) — drones — is driving a growing market for specialized imaging technology. According to Chris Yiu, General Manager, High Performance BU at...

Articles : Materials
Ultrafast Laser Micromachining

Ultrashort pulse (USP) lasers for precision micromachining can minimize or avoid undesirable thermal effects that limit feature resolution, edge quality and, ultimately, product functionality. This is because...

Application Briefs : Photonics/Optics
Cleaning or Etching Items with Unique Geometries

Cleaning, an integral part of many manufacturing and maintenance processes, is often critical to the performance of a broad range of technologies in the semiconductor, defense, MEMS, photonics...

Briefs : Photonics/Optics
Microresonators Offer Simpler Approach to Sensing With Light Pulses

Ultrashort optical pulses are becoming more and more relevant in a number of applications including distance measurement, molecular fingerprinting and ultrafast sampling....

Briefs : Nanotechnology
Materials Move in Response to Light

In biology, there are many examples where light induces movement or change — think of flowers and leaves turning toward sunlight. Magnetic elastomeric composites were developed that move in different...

Briefs : Transportation
Device Measures Laser Power in Real Time

Lasers play roles in many manufacturing processes, from welding car parts to crafting engine components with 3D printers. To control these tasks, manufacturers must ensure that their lasers fire at...

Briefs : Sensors/Data Acquisition
Hybrid, Wide-Range Detector Amplifier

Many applications require detection of both very small and very large signals. High-gain detector amplifiers provide low noise, but are easily swamped by large signals. Logarithmic amplifiers provide a...

Briefs : Medical
Shape-Shifting Material Morphs Using Heat and Light

A controllable material was developed that can transform into complex, pre-programmed shapes via light and temperature stimuli, allowing it to morph into a different shape before fully...

Briefs : Materials
Ancient Pigment Can Boost Energy Efficiency

Egyptian blue, derived from calcium copper silicate, was routinely used on ancient depictions of gods and royalty. Previous studies have shown that when Egyptian blue absorbs visible light, it then...

Briefs : Nanotechnology
3D Inks Can Be Erased Selectively

3D printing allows for the efficient manufacture of complex geometries. A very promising method is direct laser writing in which a computer-controlled focused laser beam acts as a pen and produces the...

Briefs : Mechanical & Fluid Systems
Control of the Diameter and Chiral Angle Distributions During Production of Single-Wall Carbon Nanotubes

Pulsed laser vaporization (PLV) production of single-wall carbon nanotubes (SWNTs) on traditional Co/Ni catalyst was explored with...

Briefs : Automotive
Optically Transparent Polyimide Aerogels

Innovators at NASA's Glenn Research Center have expanded their growing portfolio of aerogels to include a new optically transparent polyimide aerogel. Aerogels — low-density, highly porous,...

Briefs : Photonics/Optics
3D Printer Creates Complex Biological Tissues

A technique was developed that uses a specially adapted 3D printer to build therapeutic biomaterials from multiple materials. The advance could be a step toward on-demand printing of complex...

On-Demand Webinars : Automotive
ToF & FMCW Automotive LIDARS: Design Challenges

Once only fantasy, autonomous vehicles are becoming reality thanks to advances in laser technology and photodetection. However, fully autonomous vehicles require an array of sensory systems to provide information about the vehicle’s surroundings. LiDAR is one of the leading systems for empowering...

Articles : Communications
Smart Actuators Deliver on the Promise of Industry 4.0

As Industry 4.0 initiatives bring more and more industrial axes of motion into the realm of automation, the need for cost-effective control across them grows as well. Advances in...

Briefs : Test & Measurement
Sensor Combination Detects People by Smell

Trained rescue dogs are the best disaster workers — their sensitive noses help them track down people buried by earthquakes or avalanches. But dogs need breaks. A new measuring device is always...

Briefs : Transportation
Compound-Lens Camera for Industry and Smartphones

A process has been developed that enables the production of a 2-mm flat camera. The lens is partitioned into 135 tiny facets, similar to the eyes of an insect. The facetVISION camera is...

Briefs : Imaging
Blue-Light Imaging Sees Through Fire

A blue-light imaging method was developed that can be used to obtain visual data from large test fires where high temperatures could disable or destroy conventional electrical and mechanical sensors. The...

Articles : Medical
Products of Tomorrow: December 2018

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...

Products : Sensors/Data Acquisition
New on the Market: December 2018

Data Acquisition Devices

The USB-1808 Series simultaneous-sampling data acquisition devices from Measurement Computing Corp., Norton, MA, provides synchronous and concurrent voltage I/O, waveform...

Briefs : Sensors/Data Acquisition
Low-Light Night Vision Imaging and Video Capture

Conventional night vision goggles all use image intensification (I2) tube technology that multiplies ambient, visible, and near-infrared light several thousands of times, allowing a user to see and operate in very-low-light conditions. One shortcoming of I2 tube night vision devices is that they...

Briefs : Imaging
Algorithm Enables Faster Analysis of Medical Images

Medical image registration is a common technique that involves overlaying two images, such as magnetic resonance imaging (MRI) scans, to compare and analyze anatomical differences in great...

Articles : Materials
Innovators Recognized for "Creating the Future" 2018

The Create the Future Design Contest was launched in 2002 to help stimulate and reward engineering innovation. In the past 16 years, the annual contest has drawn more than 13,000 product...

Briefs : Test & Measurement
Active Pointing Monitor for a 2-Axis Optical Control System

NASA Goddard Space Flight Center has developed a pointing measurement detection and control system that monitors the real-time optical axis motions (such as tip and tilt) that affect image quality in aerial platforms. To date, there is no known real-time optical image alignment and...

Briefs : Sensors/Data Acquisition
Optimetric Measurements Over Coherent Free-Space Optical Communication

High-precision ranging (optimetric) instruments are highly desired for both space navigation and communications as well as gravitational-based science missions. Traditionally, these measurements are made with instruments solely dedicated to ranging (i.e. Doppler shift of a...

Briefs : Manufacturing & Prototyping
New Laser for Improving Telecommunications and Computing

The first laser based on the wave physics phenomenon called bound states in the continuum (BIC) has been developed. The technology could revolutionize the development of surface...

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