Photonics/​Optics

Photonics

Find the latest news and technical briefs on next-generation photonics technologies. Learn more about applications like biophotonics, silicon photonics, and green photonics.

Stories

35
63
0
720
30
Articles: Imaging
Machine vision systems have traditionally consisted of stand-alone cameras tethered to PC-based boards or frame grabbers using highspeed interfaces such as Camera Link, CoaXPress and Gigabit...
Feature Image
Application Briefs: Photonics/Optics
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...
Feature Image
Products: Imaging
VGA Sensor Now available from FRAMOS (Ottawa, Canada), the Sony IMX426 Pregius™ 3rd generation Global Shutter CMOS image sensor provides 9μm pixel size and reaches VGA resolution with 1,449 fps@10-bit for maximized throughput...
Feature Image
Articles: Photonics/Optics
The SPIE Photonics West 2019 technical conference and exhibition returns to The Moscone Center in San Francisco, February 2 through February 7, offering attendees the opportunity to explore the latest...
Feature Image
Articles: Manufacturing & Prototyping
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...
Feature Image
Application Briefs: Photonics/Optics
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...
Feature Image
Briefs: Photonics/Optics
Researchers at Dartmouth have found a way to make back surgery safer, faster, and more cost effective. MRIs and CT scans can help surgeons identify spine problems such as...
Feature Image
Briefs: Sensors/Data Acquisition
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 wide...
Feature Image
Briefs: Manufacturing & Prototyping
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...
Feature Image
Briefs: Imaging
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...
Feature Image
Briefs: Energy
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...
Feature Image
Briefs: Photonics/Optics
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 desired...
Feature Image
Briefs: Medical
Engineers at Duke University have developed a way to extract a sequence of images from light scattered through a mostly opaque material — or even off a wall — from one long...
Feature Image
Briefs: Photonics/Optics
A new method of X-ray scanning will allow for the visualization of many more biological molecules, providing critical information about what is inside molecules to scientists who...
Feature Image
Briefs: Photonics/Optics
Light of different colors travels at different speeds in different materials and structures. This is why we see white light split into its constituent colors after refracting through a...
Feature Image
Briefs: Sensors/Data Acquisition
Ultrashort optical pulses are becoming more and more relevant in a number of applications including distance measurement, molecular fingerprinting and ultrafast sampling. Many...
Feature Image
Briefs: Photonics/Optics
For more than 100 years, X-rays have been used in crystallography to determine the structure of molecules. At the heart of the method are the principles of diffraction and superposition, to...
Feature Image
Briefs: Materials
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 ways...
Feature Image
Briefs: Aerospace
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 the...
Feature Image
Facility Focus: Materials
Ames Laboratory is a government-owned, contractor-operated national laboratory of the U.S. Department of Energy (DOE), operated by and located on the campus of Iowa State University in Ames, IA. For more than 70...
Feature Image
Briefs: Electronics & Computers
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: 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: Photonics/Optics
NASA Langley Research Center has developed a novel optical grating device that dynamically modulates light and is capable of controlling the spectral properties and propagation of light...
Feature Image
Briefs: Photonics/Optics
There are challenges involved when using magnetically responsive materials to achieve the one-way flow of light in a photonic chip, including the ability to place compact magnets on a chip. In...
Feature Image
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 control...
Briefs: Manufacturing & Prototyping
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 lasers,...
Feature Image
Briefs: Photonics/Optics
It is relatively easy to measure small movements of large objects, but is much more difficult when the moving parts are on the scale of nanometers, or billionths of a meter. The ability to accurately...
Feature Image
Briefs: Defense
Spectrometers are widely used for applications such as chemical analysis, remote sensing, quality control, environmental monitoring, spaceborne measurements, and optical measurements. Most spectrometers are...
Feature Image
Briefs: Energy
Today's photovoltaic power systems are generally comprised of a single photovoltaic module or multiple modules connected by combinations of series and parallel circuits as a photovoltaic array. In...
Feature Image

Videos