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SENSORS & DETECTORS FEATURES
Programmable Photonic Chips Adapt PICs to Multiple Futures
Mar 3, 2023 — While electronics are perfect for performing fast calculations, photonics are ideal for moving information around. A major drawback of the latter, however, is the slow and costly development process for new photonic integrated chips, hampering their widespread use. If photonic chips could be reprogrammed for different applications, this would drastically lower development costs, shorten the time to market, and improve the sustainability of their use.
Photonics Spectra, Apr 2023
Free-Space Optical Communications Soar with the Satellite Sector
Jan 5, 2023 — Free-space optics (FSO) and systems are uniquely valuable in enabling fast and secure connectivity, both in terrestrial and nonterrestrial networks. With major advancements in space optics over the last 20 years, ultrahigh-bandwidth signals now...
Photonics Spectra, Feb 2023
sCMOS Camera Designs Push the Limits on Resolution
Jan 4, 2023 — Applications ranging from astronomy to the life sciences to semiconductor manufacturing and metrology have steadily increased the demand for camera technologies targeting the extreme-ultraviolet (EUV) and even the soft x-ray regimes. Many of these...
Photonics Spectra, Feb 2023
Beam Profiling Evolves to Keep Lasers in Line with New Applications
JOEL P. WILLIAMS, ASSOCIATE EDITOR Lasers provide many different industries with greater efficiency, less waste, and higher precision, but they are not always as easy to fix as the machines they replace. A blunted drill bit is easier to observe and replace than an underperforming...
Photonics Spectra, Jan 2023
New Sensor Materials and Designs Deepen SWIR Imaging Capabilities
Nov 30, 2022 — Imaging in the shortwave infrared (SWIR) range, from 1000 to 2500 nm, offers significant new advantages in an array of applications, from autonomous vehicles to food quality inspection. SWIR photons are scattered less by dust or fog than...
Photonics Spectra, Jan 2023
PICs Set Their Sights Beyond Data and Telecom
Nov 30, 2022 — Due to the strong association that photonic integrated circuits (PICs) have with the data and telecom markets, it is easy to overlook their potential in other verticals — such as health care, agriculture and food production, and automotive...
Photonics Spectra, Jan 2023
Tiny Quantum Dot Sensors Solve Big IR Application Problems
Oct 4, 2022 — As a second quantum revolution begins, many mysteries remain in the quantum realm. Perhaps this is unsurprising given the notoriously confounding properties of this new frontier. However, as time passes, it seems increasingly likely that the...
Photonics Spectra, Nov 2022
New Sensors and AI Optimize Laser Welding
Oct 3, 2022 — Welding is an ancient technology. Five thousand years ago, Egyptians used it to join copper water pipes together. Over the centuries it evolved into an essential technology to fuse various types of metals as experienced welders learned to optimize...
Photonics Spectra, Nov 2022
Optical Fiber Sensors Enable New Biomedical Devices
Jun 1, 2022 — The biomedical community recognized the advantages of optical fibers long ago, accepting them even before their adoption for long-haul telecommunications. Early research on the light-guiding properties of fibers in the late 1920s was aimed at...
Photonics Spectra, Jul 2022
An Actively Cooled Mid-IR Telescope Peers Through Space Dust
Jun 1, 2022 — When the European Space Agency’s (ESA’s) Herschel Space Observatory revealed that the universe was far richer in star-forming dust than previously thought, the engineers who were developing a new mid-infrared space instrument recognized...
Photonics Spectra, Jul 2022
Image Sensor Sockets: A Key Factor in Camera Design
May 12, 2022 — Camera makers — and, therefore, image sensor makers — today are under greater pressure than ever to offer new models that provide higher resolution and higher speed, respectively. With higher resolution comes sharper images. With higher...
Vision Spectra, Jun 2022
Single-Photon Avalanche Diodes Sharpen Spatial and Temporal Resolution
Mar 31, 2022 — As their name implies, single-photon avalanche diodes (SPADs) detect single particles of light, and they do so with picosecond precision. Single-pixel SPADs have found wide use in astronomy, flow cytometry, fluorescence lifetime imaging microscopy...
Photonics Spectra, May 2022
Large-Format Image Sensors Frame the Future
Mar 3, 2022 — Sensor manufacturers have continuously sought to increase the resolution and performance of their products by decreasing the size of pixels while increasing their number. However, some applications require the scale and unique architecture of...
Photonics Spectra, Apr 2022
Photon-Counting CMOS Sensors Extend Frontiers in Scientific Imaging
Feb 1, 2022 — While CMOS imagers have evolved significantly since the 1960s, photon-counting sensitivity has still required the use of specialized sensors that often come with detrimental drawbacks. This changed recently with the emergence of new quanta image...
Photonics Spectra, Mar 2022
Advanced Imaging Rises to the Task of Detecting Space Debris
Jan 24, 2022 — The space industry has undergone a remarkable transformation in recent years. Once the domain of big-budget government projects, the field has increasingly seen the entry of more and more commercial enterprises, ranging from high-profile,...
Photonics Spectra, Mar 2022
Sensor Innovations Drive Expansion into New Markets
Jan 11, 2022 — Image sensors are part of every smartphone and may seem to be a ubiquitous, mature technology — however, this is far from the case. While conventional CMOS detectors for visible light are well established, extensive opportunities exist for...
Vision Spectra, Mar 2022
Optical Filters Help PCR Tests Quickly Diagnose COVID-19
Dec 10, 2021 — The need to implement technology that can rapidly diagnose diseases and pathogens accurately has never been greater than it is now, as the COVID-19 virus continues to spread around the world. Prior to 2020, most people working outside the field of...
BioPhotonics, Feb 2022
Fiber Optic Sensors Are Wired for Growth with Infrastructure Improvements
Dec 3, 2021 — In October 2021, a 40-year-old undersea pipeline off the coast of California ruptured, releasing more than 130,000 gallons of crude oil into the Pacific Ocean. The spill polluted the ecosystem, stifled local economic activities such as fishing and...
Photonics Spectra, Jan 2022
Demand for MIR Photonics Rises on New Gas Analysis Applications
Nov 29, 2021 — Real-time precision gas analysis is critical to a wide range of industries, including medical diagnostics, emissions monitoring, and semiconductor fabrication. The relatively simple molecular structure of most gases makes them ideal candidates for...
Photonics Spectra, Jan 2022
Miniaturization in NIR Spectroscopy Reshapes Chemical Analysis
Nov 24, 2021 — Near-infrared (NIR) spectroscopy has been used in groundbreaking research in many of the life sciences due to its capacity to rapidly determine and analyze the composition of materials. Bulky instruments with limited portability, however, have kept...
BioPhotonics, Feb 2022
A Wealth of Photonic Solutions Fuels Momentum for Automotive Lidar
Nov 24, 2021 — The dream of fully autonomous, driverless cars remains just that for now — a vision of a future that will require considerable effort from engineers and programmers to realize. But other, subtler forms of automation are already entering the...
Photonics Spectra, Jan 2022
Sensors Capture Image Data from Near and Far
Oct 25, 2021 — Imaging sensors reveal key details during the exploration of many areas of science, from untangling events at the quantum level and the fundamental processes of the cell to building our understanding of the wider cosmos. Imaging sensor technologies...
Photonics.com, Dec 2021
A New Wavefront of Adaptive Optics Promises Improvements
Oct 4, 2021 — Adaptive optics (AO) technology enables Earth-based telescopes to take the twinkle out of the stars. The technology also helps in detecting and reversing eye disease, it improves the throughput of laser-driven manufacturing, and it has enabled the...
Photonics Spectra, Nov 2021
Polymer Waveguides Smooth Path to Smaller Optical Sensors
Aug 27, 2021 — The worldwide sensor market is growing rapidly with the establishment and growth of new applications, such as medical devices that leverage noninvasive optical sensors, and environmental monitoring, which is gaining importance due to a rise in the...
Photonics Spectra, Oct 2021
Embedded Vision Is Set for Application on a Massive Scale
Jun 21, 2021 — Compact, efficient, and highly application specific, embedded vision technology increasingly offers performance and price points that would have been impossible to achieve only a few years ago. The steady advancement in capabilities has been driven...
Vision Spectra, Jun 2021
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