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Accelerating the Manufacture and Repair of Micro-LED Displays
While LCD panels are passive displays that need backlight illumination, OLEDs and LEDs are active elements that eliminate the need for backlighting by emitting their own light. OLEDs have their own drawbacks compared to LEDs, most notably the burn-in effect, which limits their display life. Of all these options, micro-LEDs — which are miniaturized LEDs in a display matrix — offer the most numerous advantages for display applications1, including: Courtesy of
Photonics Spectra, December 2021
Sensors Capture Image Data from Near and Far
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, December 2021
A New Wavefront of Adaptive Optics Promises Improvements
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, November 2021
Low-Power Lasers Are a Force in Photobiomodulation Therapy
One month after the World Health Organization declared the coronavirus a pandemic in March 2020, Brazilian researchers at Hospital Tacchini in Rio Grande do Sul invited Multi Radiance Medical to collaboratively explore a novel idea. The researchers...
Photonics Spectra, November 2021
Novel CMOS Technology Reboots Vision-Guided Robotics
A vision-guided robot (VGR) system can be defined as a robot equipped with one or multiple vision sensors that effectively give the machine a sense of sight. While “blind” robots may suffice for certain simple applications, they quickly...
Photonics Spectra, November 2021
The BioPhotonics Conference
Photonics Media will host the first-ever BioPhotonics Conference online Oct. 26-28. Experts in microscopy, spectroscopy, OCT, flow cytometry, and medical lasers will present on topics such as the detection of cancer and viruses, the analysis of...
BioPhotonics, Sep/Oct 2021
Ultrafast Lasers Excite Advancements in Multiphoton Imaging
Multiphoton microscopy can image deeper into tissue than traditional confocal microscopy, making it ideal for a range of life science studies. The technique is crucial for brain-related research because it allows imaging of large numbers of neurons...
Photonics Spectra, November 2021
Beam Combination Boosts Power for Quantum Cascade Lasers
Quantum cascade laser sources offer a compelling option in the MIR range, but they currently deliver limited output power. This drawback is driving growing interest in methods that would allow QCLs to combine their beams passively and in a compact...
Photonics Spectra, October 2021
Ultrashort-Pulse Lasers Power Options for Precise Machining
Laser technology has had a positive impact on a wide range of industrial manufacturing applications, from consumer electronics and clean energy to automotive and medical devices. Lasers have contributed to these applications by enabling the...
Photonics Spectra, October 2021
Optical Surface Analysis: Focusing on the Fundamentals
Today’s instruments for measuring optical components deliver increasingly higher resolution, larger measurement areas, and greater analysis functions. In addition to improving results, the added sensitivity and analysis options can also...
Photonics Spectra, October 2021
Polymer Waveguides Smooth Path to Smaller Optical Sensors
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, October 2021
Photonics Shapes the Worlds of Augmented and Virtual Reality
Replacing smartphones with smart glasses isn’t practical … yet. In the meantime, advancements in photonics are helping to expand the use of smart glasses in educational, medical, military, and industrial settings. According to technologists and end...
Photonics Spectra, August 2021
Laser Micromachining Fires Up the Next Little Thing
Driven by demand from automotive, electronics, medical devices, and other end markets, the micromachining market is on track to grow at a 6.9% compound annual growth rate over the next six years to reach a market value of $4 billion, according to a...
Photonics Spectra, September 2021
Spot Cooling Helps Industrial Lasers and Optics Stay on Point
The increasing demand in many end markets for advanced manufacturing systems that are able to increase production and cut costs have positioned laser systems as an important fabrication tool. High-powered lasers, such as CO2 sources, are used for...
Photonics Spectra, September 2021
Inspecting for Lens Defects Only Scratches the Surface
It may come as a surprise to learn that, in sharp contrast to the high-precision practices of the optics industry, many optical surfaces are still inspected by the naked eye. Humans have yet to be usurped by automation, in this niche at least, but...
Photonics Spectra, September 2021
VISION Returns to Messe Stuttgart
After the biennial VISION show was canceled in 2020 due to the pandemic, machine vision professionals from around the world will gather in person again this year to attend the event at Messe Stuttgart in Germany on Oct. 5-7. “As the...
Photonics Spectra, September 2021
Optical Glass Selection Is Not Always So Transparent a Choice
Optical designers have many glass types to choose from when developing assemblies for imaging applications. Typically, a variety of these material options is available to meet the desired design specifications of a partic­ular system. The challenge...
Photonics Spectra, September 2021
Selecting Color Filter Glass for Life Science Applications
Optical filters are critical for selectively passing and blocking specific wavelengths in life science applications ranging from monitoring oxygen and pH levels in blood to fluorescence detection, to the polymerase chain reaction (PCR) tests used to...
Photonics Spectra, August 2021
Industry-Academia Partnerships Exceed the Sum of Their Parts
When Irfan Punekar first began considering where to pursue his degree in computer engineering, he had an important item on his wish list. “I definitely wanted a school where I could get industry experience,” he said, emphasizing the importance of...
Photonics Spectra, August 2021
Tunable Laser Spectroscopy Achieves New Peaks
The modern world, with the ever-growing impact of technology on humanity and the environment, requires us to thoroughly understand how our civilization works and what it produces — even the invisible matter such as gases that we emit into the...
Photonics Spectra, August 2021
Technique Scales Up High-Volume Manufacturing of Micro-Optics
The market for smartphones, tablets, wearables, and other mobile devices continues to drive many advancements in optical sensors. More than a dozen types of sensors are being designed for next-generation smartphones, including 3D sensing cameras,...
Photonics Spectra, August 2021
VCSEL Advancements Power 3D Sensing
iStock.com/NeoLeo An innovative VCSEL design, featuring multiple active regions separated by tunnel junctions, boosts efficiency and output power while optimizing beam divergence. The emergence of 3D sensing in the consumer, industrial, and...
Photonics.com, September 2021
Photonics Scores a Touchdown for Space Exploration
As the Apollo 11 astronauts were initiating the first human-crewed landing on the moon, Neil Armstrong looked out of the module’s small window and, rather than observing a relatively flat landing zone on the lunar surface, he saw a boulder...
Photonics Spectra, July 2021
The Vision Spectra Conference
The first-ever Vision Spectra Conference, set for July 20-22, will feature dynamic speakers ranging from upand- coming entrepreneurs to recognized technology innovators. The European Machine Vision Association (EMVA) and the Association for...
Photonics Spectra, June 2021
Speckle-Free Lasers Sharpen 3D Machine Vision
Quality assurance systems utilizing 3D machine vision technologies can inspect products, detect defects, measure all dimensions of a part simultaneously, and locate randomly oriented items, among other tasks. For tasks requiring height, length, and...
Photonics Spectra, July 2021
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