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Spectroscopic Methods Guide Precision Medicine Jul 21, 2020 — Raman spectroscopy captures the effect when light partially scatters inelastically as it interacts with matter. The amounts of energy transferred between photons and molecules during this process correspond to specific molecular vibrations. Therefore, Raman spectroscopy is ideally suited for characterizing and identifying the chemical composition of various samples because the spectra provide a “molecular fingerprint.” When highly complex samples such as microorganisms, cells, and...
EuroPhotonics, Sep 2020
Smart Control Methods Speed Up Micromachining Jul 14, 2020 — Considerable advancements have been made in the precision and dynamic control of laser scan systems during the last few years. Depending on the application, new control methods can bring additional productivity to users in fields such as...
EuroPhotonics, Sep 2020
Hyperspectral Imaging Discerns Authenticity of Artwork Jul 7, 2020 — Inauthentic artwork is a significant problem within the art world. According to the Fine Arts Expert Institute, as many as half of the pieces in the art market are forgeries, equaling roughly $60 billion in inauthentic work. Current authentication...
Vision Spectra, Sep 2020
Photonic Technologies Energize Sustainability Jul 2, 2020 — It could be a greener world, thanks to photonic technologies. That’s the conclusion of a 2020 study forecasting that photonics could eliminate 3 billion tons of CO2 emissions annually by 2030. Paris-based consultancy Tematys contributed to the...
Photonics Spectra, Jul 2020
Supertwisted Light from a Metasurface Laser Jun 29, 2020 — Structured light refers to the tailoring or shaping of light in all its degrees of freedom. The recent development of structured light supports applications such as optical communications, enhanced resolution in imaging, and optical trapping and...
Photonics Spectra, Aug 2020
Electro-Optic Polymers Improve Speed and Power Efficiency Jun 26, 2020 — The search is on for new building blocks to increase the speed of optoelectronic components and decrease electrical power consumption. High-performance electro-optic (EO) materials have matured commercially and have the potential to offer solutions....
Photonics Spectra, Aug 2020
Photonics for Atomic Sensors Jun 23, 2020 — Measurements of isolated atomic systems have provided reliable means to standardize time and frequency, determine fundamental constants with unprecedented precision, and measure small electromagnetic fields and inertial forces. In particular, atomic...
Photonics Spectra, Aug 2020
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The Laser Turns 60 Jun 22, 2020 — Six decades ago, in a windowless lab on a hilltop above the Pacific Ocean, Theodore (Ted) Maiman — assisted by Irnee D’Haenens — tested a palm-size device that would upend the scientific establishment. Working at Hughes Research...
Photonics Spectra, Aug 2020
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Hybrid Photonics Expands Capabilities Jun 22, 2020 — Alone, nothing is perfect. So when various materials in photonics applications work in tandem, a better performing hybrid approach arises, and teamwork prevails. Examples of such hybrid photonics can be found in existing and emerging commercial...
Photonics Spectra, Aug 2020
Achieving Improved Signal-to-Noise Ratio in Flow Cytometry Jun 15, 2020 — Flow cytometry explores, analyzes, counts, and sorts small particles. With the increasing demands for higher data quality from researchers, clinicians, and manufacturers, component builders for these systems are being driven to increase the...
BioPhotonics, Aug 2020
Microscopic Methods Reveal Holistic Picture of Sample Jun 11, 2020 — Whole slide imaging is a method principally employed when scientists need to image a large, relatively two-dimensional sample that expands beyond a single microscope field of view. Typical applications include imaging of histological tissues that...
BioPhotonics, Aug 2020
Diffuser Modulation Enables Quantitative Lensless Microscopy Jun 9, 2020 — Traditional optical microscopes require constant adjustments to bring a sample into focus. To see a small feature with details, researchers must use a high-resolution objective lens with a reduced field of view. The trade-off between resolution and...
BioPhotonics, Aug 2020
Quantum Dots Put Focus on Neuronal Imaging Jun 8, 2020 — Despite increasing efforts to solve the puzzle that is the workings of the human brain, scientists’ current understanding of the brain’s functional interconnections remains limited. As the most complex organ in the human body, the brain...
BioPhotonics, Aug 2020
Measuring High-Power Materials Processing Lasers with Camera-Based Beam Profilers Jun 1, 2020 — From cutting steel to drilling via holes in silicon to marking plastic, a wide range of materials processes now use high-power lasers. Ever-growing demands for increased productivity and reduced waste require that the laser process be stable and...
Photonics Spectra, Jul 2020
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Optical Materials Bending the Rules, Shaping Our World May 29, 2020 — From the emergence of diverse 2D materials (perovskites for efficient solar cells) and twisted bilayer graphene (superconductive at a “magic angle”) to the boom in polymer science and the promise of quantum photonics, materials science...
Photonics Spectra, Jul 2020
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Imaging Goes 4D May 28, 2020 — 3D imaging has taken off, with applications in cellphones, cars, robots, and more. Now, companies and researchers are looking to what’s next: 4D. While 3D imaging captures information about width, height, and depth (x, y, and z), 4D imaging adds...
Photonics Spectra, Jun 2020
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Room-Temperature Terahertz Quantum Cascade Lasers May 28, 2020 — The terahertz (THz) spectral range between the infrared and microwave has long been recognized as an unexploited range of frequency bands. It has considerable potential for application in numerous fields, including communications, imaging,...
Photonics Spectra, Jun 2020
All-Optical Switching Alternatives for Data Processing May 28, 2020 — For decades, computer technology has steadily achieved astonishing gains in performance, but it is becoming increasingly unclear how much longer this rapid progress can continue without considerable technological innovation. For example, the...
Photonics Spectra, Jul 2020
Visible Supercontinuum with Orientation-Patterned Gallium Phosphide May 26, 2020 — Supercontinuum generation occurs when intense laser light creates nonlinear processes in a material and produces a continuous, broad spectrum of colors. It is a well-known phenomenon in bulk media and in optical fibers, and is also an important...
Photonics Spectra, Jul 2020
Remote Sensing Puts Focus on Climate Change May 21, 2020 — As temperatures and carbon dioxide concentrations rise to levels not previously recorded, shifts in weather and other environmental changes are impacting the global landscape. With the U.N. recording one climate-related crisis every week in 2019,...
EuroPhotonics, Jun 2020
Robot-Based Bin Picking Set to Transform Manufacturing Sector May 13, 2020 — As the Fourth Industrial Revolution nears, companies all over the world will need to prepare for the immense changes coming their way. Machine vision, used in combination with artificial intelligence and deep learning, strives to make manufacturing...
Vision Spectra, Jun 2020
Industrial Machine Vision Adds Depth May 12, 2020 — Adding imaging depth to vision systems can improve inspection performance, enhance pick-and-place operations, and help vision-guided robots do a better job of avoiding objects. With falling prices and rising performance, various forms of 3D vision...
Vision Spectra, Jun 2020
Calculating Lens Resolution with Precision May 11, 2020 — There are many different ways to judge the performance of a lens, depending on the application: weight, size, distortion, transmission, and resolution. Of these characteristics, resolution is often the primary cost driver for lenses, with...
Vision Spectra, Jun 2020
Anomaly Detection Expands Use of AI in Defect Inspections May 8, 2020 — The manufacturing industry is being turned on its head as AI and deep learning transform the way goods are manufactured and inspected. The combination of software, new deep learning techniques, the power of parallel processing, and easy-to-use tools...
Vision Spectra, Jun 2020
Noncontact Metrology for Aspherical Lenses Apr 30, 2020 — Freeform and aspheric optics have become popular because they provide better performance than traditional optics and can do so with fewer optical elements. The downside of the higher performance is increased complexity in design, manufacturing, and...
Photonics Spectra, Jun 2020
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