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(38,296 articles)
Popular News
Photonic Crystal Generates VUV Light at Wavelengths Suitable for Spectroscopy
TOKYO, July 31, 2020 — Researchers at the University of Tokyo have created a tabletop device that efficiently generates circularly polarized vacuum ultraviolet (VUV) light using an ultrathin film with nanoscale perforations. VUV wavelengths, which can be absorbed by air but can pass through a vacuum, are useful for chemical and physical analyses, especially VUV wavelengths in the region of around 120 to 200 nm. Circularly polarized light in the VUV region is important for probing the structural and electronic
Tunable Laser Determines Best UV Wavelengths for Germ Eradication
GAITHERSBURG, Md., July 31, 2020 — While awaiting full access to their labs due to COVID-19 restrictions, scientists at the National Institute of Standards and Technology (NIST) have taken the time to report on research conducted in 2012 on the disinfection of drinking water using...
Marine Luminescence Appears After Stress Test
CAMBRIDGE, England, July 31, 2020 — No matter how small, organisms respond to their surrounding environment. A group of scientists at the University of Cambridge has shown that the light produced by ocean organisms is related to the stress their cells are under at the time. The team,...
A rising tide lifts all boats
Jul 30, 2020 — After nearly two decades, I recently returned to the Photonics Spectra editorial team, where I am stepping into Susan Petrie’s former role as senior editor. Sue’s solicitation and management of feature articles would be a tough enough...
Deesha Shah Awarded 2020 Teddi C. Laurin Scholarship
Jul 30, 2020 — Shah is a doctoral student in the School of Electrical and Computer Engineering at Purdue University, co-supervised by professors Vladimir Shalaev and Alexandra Boltasseva. Her research includes the development of plasmonic thin films, particularly...
Robust Laser Technology Will Enable Satellite to Measure Greenhouse Gas
BERLIN, July 30, 2020 — The MERLIN satellite, a collaboration between DLR RfM in Germany and CNES in France, will use a radar-like laser system to measure the methane concentration in Earth’s atmosphere. The satellite’s Integrated Path Differential Absorption...
Mirror Specifications and Energy-Efficient Design Support Increasingly Portable System for Laser Precision at Room Temperature
CAMBRIDGE, Mass., July 30, 2020 — A team of MIT physicists, working with researchers from Louisiana State University (LSU) and Crystalline Mirror Solutions (CMS, now part of Thorlabs Inc.) has designed a quantum “light squeezer” capable of limiting quantum noise in laser...
Lattice Materials Appoints Jessica Higgins President
BOZEMAN, Mont., July 30, 2020 — Lattice Materials LLC has named former company CFO Jessica Higgins its next president. The grower of optical silicon and germanium announced Higgins’ appointment by its board of directors on July 27. “I am excited and proud to lead this...
From Innovation to Reality: 400G Approaches Market Readiness
Jul 29, 2020 — The new decade has brought with it the growing anticipation of a complete transformation of data center networks. This trend is expected to evolve networks and revolutionize the potential for new customer experiences. However, many data center...
Cameras Record Object Density More Accurately
NOMI, Japan, July 29, 2020 — Crowd counting — the process of obtaining information on the density or number of objects such as vehicles or people — can benefit from the same deep learning techniques that have been used for image and video processing. Scientists at...
Scalable Approach to Lidar Could Propel Autonomous Vehicles, Other Tech
BOULDER, Colo., July 29, 2020 — A silicon chip with a serpentine optical phased array (SOPA), developed by researchers at the University of Colorado Boulder, could improve the resolution and scanning speed of lidar systems while reducing bulkiness, making them scalable for a range...
Silicon CCD Camera Peers into Mid-Infrared
IRVINE, Calif., July 29, 2020 — Researchers at the University of California, Irvine used the nonlinear optical properties of the silicon (Si) chip in a Si-based camera to enable a mid-infrared (MIR)-specific response in the camera. Their method for detecting MIR images with a...
SPIE, University of Glasgow Announce $1M Quantum Photonics Program
BELLINGHAM, Wash., July 29, 2020 — SPIE, the international society for optics and photonics, and the University of Glasgow have announced the establishment of the SPIE Early Career Researcher Accelerator Fund in Quantum Photonics. The fund will create two new programs at the...
Diamond Raman Lasers Offer Multifaceted Potential
Jul 28, 2020 — Ever since Ted Maiman used a flash-pumped synthetic ruby crystal to generate the first coherent light source in 1960, the development of optical gain media has become a critical area of study for many science and engineering fields. While...
Bringing Habitable Planets to Light with Faster Adaptive Optics
Jul 28, 2020 — At the heart of every imaging system, from endoscopes to extremely large telescopes, is the pursuit of a perfect image, extracting as much information as possible from every acquired photon. No matter how well designed the system, however,...
Digital Age Sees New Demand for the Venerable Conoscope
Jul 28, 2020 — After languishing for the first century of their existence, conoscopes have become essential to the production of consumer products in an increasing number of industries. What began in 1911 as simple scientific curiosities designed for liquid...
Strain Engineering of 2D Materials Enables More Effortless Photodetection
WASHINGTON, D.C., July 28, 2020 — Using a 2D material and an approach it calls “strainoptronics,” a George Washington University research team created a photodetector that can operate with high efficiency at the wavelength of 1550 nm, a spectral region that offers...
SPI Lasers Combines China Business Operations with Parent Company TRUMPF
SOUTHAMPTON, England, July 28, 2020 — SPI Lasers announced that it will relocat its Shanghai office to the TRUMPF facility in Taicang to enhance its customer service throughout China. The company became a subsidiary of TRUMPF Group in 2008 and recently announced it will be rebranding...
Fishbone Waveguide Design Flattens Dispersion, Expands Bandwidth of Frequency Combs
PARIS, July 28, 2020 — A waveguide design that could enable highly precise frequency combs has been created by a research team from the French Centre National de la Recherche Scientifique, Paris-Saclay University, and Zhejiang University. The team’s design produces...
Laser Irradiation Degrades Cellulose for Use in Biofuel
TOKYO, July 27, 2020 — A laser-based technique developed by a Japanese research team could make it easier to degrade the plant product cellulose, which is used to produce biofuel. The new technique is based on a type of laser called the infrared-free electron laser...
OCT Captures Optical Sections that Match Corneal Curvature
WASHINGTON, D.C., July 27, 2020 — A team from Paris’ Langevin Institute, a joint unit consisting of researchers from the City of Paris Industrial Physics and Chemistry Higher Educational Institution (ESPCI) and the Centre National de la Recherche Scientifique (CNRS), have...
US DOE Reveals Blueprint to Spur Development of National Quantum Internet
CHICAGO, July 27, 2020 — The U.S. Department of Energy (DOE) has unveiled a blueprint strategy for the development of a national quantum internet. In a July 23 press conference at the University of Chicago, DOE representatives reaffirmed commitment to widening the...
Researchers Use Light and 3D Printing to Pump Life into Heart
MINNEAPOLIS, July 24, 2020 — Although it can be difficult to get heart muscle cells to propagate in large numbers, a team of researchers at the University of Minnesota has found a way to use 3D printing and light-induced excitation to create a living heart pump that has broad...
TRUMPF Sells Stakes in UWB Chip Developer, Partners with STMicroelectronics for UWB Positioning Technology
DITZINGEN, Germany, July 24, 2020 — Laser and machine supplier TRUMPF and semiconductor manufacturer STMicroelectronics are entering into a partnership in the field of ultrawideband (UWB) positioning technology. Per an agreement between the companies, STMicroelectronics will acquire...
Photonic Processing Unit Supports Light-Speed Machine Learning
WASHINGTON, D.C., July 24, 2020 — Substituting a photonic tensor core for existing digital processors such as GPUs, a pair of engineers from George Washington University (GWU) has introduced a new technique for performing high-level neural network computations. In the approach,...
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