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Sensors & Detectors Webinars
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Photonic Crystal Fibers: Three Decades of Novel Science
Since they first appeared in the 1990s, photonic crystal fibers (PCFs), thin strands of glass with an intricate array of hollow channels running along their length, have ushered in a new era of...
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STOP Analysis with COMSOL Multiphysics®
Optical systems often need to operate in harsh environments, including high altitudes, in space, and under water, where they are subjected to structural loads and extreme temperatures. Similarly,...
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InGaAs Photodiode Detectors: Packaging, Performance, and SWIR Applications
Vince Forte of Marktech Optoelectronics reviews InGaAs detector types, packaging, performance characteristics, and applications in the NIR and SWIR wavelength bands. He focuses particularly on photo...
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As Applications Multiply, Silicon Photonics Manufacturing Needs to Subtract
This year is an odd and challenging one for many fields. For silicon photonics specifically, macroeconomic headwinds and concerns about war push against the tide of opportunity driven by the rapid...
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Overcoming Detection Limits of Absorption Spectroscopy
Absorption spectroscopy is a well-known tool for gas sensing, combustion diagnostics, and quantum technologies applications. Techniques like tunable laser absorption spectroscopy (TLAS) are...
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Technologies and Applications for Ultra Low Light Detection in Bio-Spectroscopy
Raman, bio-Raman, and other bio-spectroscopy methods often require the detection of weak signals. The appropriate spectrograph and detection technology increase the measurement sensitivity, reduce...
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How Thick-Film SiN Is Driving PICs for Datacom, Lidar, Quantum, and Sensing
Thick-film silicon nitride (SiN) is an advantageous material platform for PICs targeting applications in lidar, datacom, quantum technologies, and sensing. It enables very low propagation losses,...
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Optimizing Micromachining Processes via Pulse-to-Pulse Measurement of Ultrafast Lasers
Sensors based on the laser-induced transverse voltage (LITV) effect offer several advantages over pyroelectric sensors and photodiodes when measuring laser energy. They feature fast sub-nanosecond...
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Photoacoustic Remote Sensing: A New Absorption-Based Microscopy for Assessment of Subcellular Structures
Optical absorption is a desirable imaging contrast because a wide variety of biomedical and industrial targets absorb light, including RNA, DNA, blood, lipid, metals, and some gas molecules such as...
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Ultrafast and Photon-Number-Resolving Superconducting Nanowire Detectors
Quantum technologies represent an increasing range of novel and useful applications, from advancing nanoscale manufacturing and compact devices for noninvasive medical imaging to provably unhackable...
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How to Design Machine Vision for Your Application: From Infrared to Hyperspectral
Andrew Bodkin, founder of Bodkin Design & Engineering, shares a technical overview of the process of machine vision sensing based on his 30 years of experience in electro-optics, custom...
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Airborne Remote Methane Quantification Using Thermal Infrared Hyperspectral Imaging
Methane is a powerful greenhouse gas and many regulatory bodies around the world are taking significant steps toward sharply reducing its emissions from the oil and gas sector. A large portion of...
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Affordable, Low-Profile Solutions for Gas Sensing
Brian Sanders and Alfred Mottola of VIGO Photonics share the latest advancements in infrared (IR) detectors for the gas sensing market. These detectors are able to be deployed in small form factor...
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KEYNOTE: Event-Based Vision: A New Standard for Advanced Machine Vision Systems
Traditional machine vison systems have relied on frame-based methods, which represent motion by capturing a number of still frames each second. For modern computer-enabled vision in industrial...
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Low-Threshold SWIR Imaging with Quantum Dot Sensors
Vision applications have been dominated by silicon (Si)-based image sensors, which are perfectly suited for visible and near-infrared (NIR) wavelengths up to ~1 µm. Shortwave infrared (SWIR) is...
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Understanding Tolerance Sensitivity in Imaging Lenses to Respond to Sensor Advancements
Advancements in sensor technologies have introduced new requirements for the imaging lenses used with them. These developments make understanding the impact of manufacturing tolerances on lens...
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Sensor Advancements and How They Affect the Selection of Optics
Recent advancements in imaging sensors have allowed machine vision systems to achieve high levels of performance that were previously unattainable. However, these sensor advancements complicate the...
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Human-Like Vision for Pick-and-Place Robotics
Achieving full SKU coverage and fewer mispicks, and completely emptying a bin of random objects, are success factors that may be hard to achieve if an automation system is based on stereo depth...
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Overcoming Contrast With 3D Imaging in Robotic Vision Applications
Person discusses a machine vision trend: In many robotic machine vision applications, 3D imaging technology can be superior to traditional 2D solutions. In manufacturing, robotic applications are...
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3D Sensing for Fast-Moving Robotics
Advancements in machine vision are among key factors that shape automation trends in logistics — for example, the new machine vision capability to capture fast-moving objects in high quality....
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Low-Latency, On-Camera Inspection
As the landscape of computer vision and inspection moves toward larger sensors, higher throughput, and shorter time to decision, the need for edge-based, low-latency processing is continuing to...
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Motion Amplification and Other Camera-Based Full-Field Vibration Techniques
Motion Amplification® is a camera-based full-field motion and vibration technique that detects subtle motion and enhances it to a level visible to the naked eye, resolving motions as small as 250...
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Integrated NIR Spectral Sensing
Andrea Fiore presents an integrated near-infrared (NIR) spectral sensing technology suitable for portable and in-line spectroscopy applications. The technology consists of an array of spectrally...
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Next-Level Material Sensing: Miniaturized NIR Spectrometers for Consumer Applications
Robert Brückner presents a novel organic semiconductor technology that is being implemented inside of a miniature, 16-pixel near-infrared (NIR) spectroscopic sensor. He explains applications for...
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Market-Trend Spectral Sensors: Prospects in Consumer Applications
With reductions in size and cost, spectral sensors have become a market trend technology not only for integration in industrial environments, but also for enabling new applications. The...
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May 2024
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