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LASERS NEWS
Octave-Spanning Combs Developed in Aluminum Nitride Resonator DUBLIN, July 30, 2021 — Collaborators from Ireland and China have demonstrated a method to develop an octave-spanning coherent optical comb with a much lower pump power compared with other techniques that require complicated controlling equipment. The photonic system introduced by the collaborators to create broadband optical combs with high coherence is an enabling technology for optical communications, with applicability to optical frequency synthesis, optical clocks, dual-comb spectroscopy, and lidar. In the
Laser System Undergoes Testing for Industrial Applications DRESDEN, Germany, July 29, 2021 — Laser experts from Germany and Israel are testing a laser for industrial use at the Fraunhofer Institute for Material and Beam Technology IWS. The laser is part of the Saxon-Israeli research project “ShapeAM,” which began in July 2021,...
Custom Near-Field Nanoscopy Tool Images Materials at Nanoscale CAMBRIDGE, Mass., July 28, 2021 — A near-field infrared (IR) nanoscope and spectroscope, custom built by a research team at MIT, can quickly and economically probe the characteristics of diverse materials at the nanoscale. Also known as a scattering-type scanning near-field optical...
Nanostructures Allow High Harmonic Generation with Pulsed Lasers ITHACA, N.Y., July 27, 2021 — Cornell University researchers have developed nanostructures that enable record-breaking conversion of laser pulses into high-harmonic generation. The work paves the way for new scientific tools for high-resolution imaging as well as the study of...
OSA Names Carney Chief Scientific and Technology Officer WASHINGTON, D.C., July 26, 2021 — The Optical Society (OSA) appointed P. Scott Carney as chief scientific and technology officer. Carney will coordinate technical activity across the organization, including shaping the scientific strategy for meetings, leading advocacy efforts, and...
Photonics News: Week in Brief: 07/23/21 Jul 23, 2021 — CORK, Ireland — PhotonicLEAP was awarded over €5 million (approximately $5.89 million, through the EU’s horizon 2020 program) to develop technologies for the production of a surface mount technology (SMT) photonic integrated circuit...
Fraunhofer ILT Begins Work to Standardize 3D Printing AACHEN, Germany, July 23, 2021 — In cooperation with ASTM International (a nongovernmental standardization organization), the Fraunhofer Institute for Laser Technology (Fraunhofer ILT) has begun work to standardize the monitoring of machine condition in laser beam powder-bed fusion...
Yale Team Produces Memory from Speckle Patterns NEW HAVEN, Conn., July 20, 2021 — Researchers at Yale University have developed a way to significantly increase the memory of speckle patterns, the very complex patterns that result from shining a laser light onto an opaque sheet, such as paper, biological tissue, or fog. The method...
Miniature Telescope Could Improve Lidar Performance, Advance Planar Optics ORLANDO, Fla., July 16, 2021 — A University of Central Florida (UCF) team led by professor Shin-Tson Wu has developed a device made with cascaded liquid crystal (LC) flat optical elements, called a miniature planar telescope, that allows efficient, wide-angle, high-precision...
Team Develops Largest-of-Its-Kind Quantum Simulator CAMBRIDGE, Mass., July 14, 2021 — A team of physicists from the Harvard-MIT Center for Ultracold Atoms and other universities has developed a special type of quantum computer known as a programmable quantum simulator capable of operating with 256 quantum bits, or...
Opto-Refrigerative Tweezers Overcome a Hot Problem AUSTIN, Texas, July 12, 2021 — A tweak to optical tweezer technology introduced by researchers at the University of Texas at Austin fixes the problem of heat that affects the tool. The prolonged interaction with the laser beam can alter molecules and particles or damage them with...
Photonics News: Week in Brief: 07/09/21 Jul 9, 2021 — FREIBURG IM BREISGAU, Germany — Fraunhofer Energy Research opened a showroom called ENIQ: Energy Intelligence by Fraunhofer, on the EUREF-Campus in Berlin. The facility functions as an interactive educational platform. It has two rooms for...
Collaboration Gives Laser System Control to the Cloud AACHEN, Germany, July 8, 2021 — A data center-based system to control and monitor industrial processes has been introduced by a team at RWTH Aachen University, in cooperation with Fraunhofer ILT. The concept for the system is based on a project for controlling laser systems...
NIST’s Comb Systems Measure All Primary Greenhouse Gases in the Air GAITHERSBURG, Md., July 7, 2021 — National Institute of Standards and Technology (NIST) researchers upgraded their laser frequency-comb instrument to simultaneously measure nitrous oxide, carbon dioxide, water vapor, and the major air pollutants ozone and carbon monoxide. The NIST...
Hamamatsu’s Industrial Laser System Delivers 250 Joules HAMAMATSU, Japan, July 6, 2021 — Hamamatsu Photonics has developed an industrial pulsed laser system that produces a pulse energy of 250 J, the highest energy to date among LD-pumped lasers, the company said. The laser system boosts the energy storage capability of the laser medium...
Integrated Optical Frequency Can Now Be Manufactured at Scale SANTA BARBARA, Calif., July 5, 2021 — A collaboration between John Bowers from the University of California, Santa Barbara (UCSB) and Tobias J. Kippenberg from École Polytechnique Fédérale de Lausanne (EPFL) has yielded an integrated on-chip semiconductor laser and...
3D Laser Beams Change Shape to Match Application EDINBURGH, Scotland, July 2, 2021 — Researchers at the National Robotarium at Heriot-Watt University secured funding to develop 3D laser beams that can be shaped to match industry needs and tailored to the task at hand. The funding — from the Engineering and Physical Sciences...
MKS Instruments to Acquire Process Chemical Technology Company ANDOVER, Mass., July 1, 2021 — MKS Instruments has entered into a definitive agreement to acquire Atotech Ltd., a process chemicals technology company and a provider of advanced electroplating solutions. MKS will acquire the company for $16.20 in cash and 0.0552 shares of MKS...
Novel Metasurface Enables Precision Laser Control CAMBRIDGE, Mass., July 1, 2021 — Harvard researchers have introduced a single metasurface that can effectively tune the different properties of laser light, including wavelength, without additional optical components. The metasurface can split light into multiple beams and control...
Thin-Film Approach and Monochromatic Laser Light Set Mark for Photovoltaic Cell Efficiency FREIBURG IM BREISGAU, Germany, June 30, 2021 — Researchers at Fraunhofer Institute for Solar Energy Systems ISE have achieved a conversion efficiency of 68.9% for a III-V semiconductor photovoltaic cell based on gallium arsenide (GaAs) exposed to laser light of 858 nm. The mark is reportedly the...
Parallel Reactors Unveil the Secrets of Soliton Molecules ERLANGEN, Germany, June 29, 2021 — A team of scientists at the Max Planck Institute for the Science of Light has developed a platform called a parallel optical-soliton reactor, which can host massively dynamic events of soliton molecules. The parallel reactors resemble chemical...
POC Device Combines Optics, Ultrasound to Improve Thyroid Cancer Screening CASTELLDEFELS, Spain, June 29, 2021 — An EU-funded development project for detecting thyroid cancer has produced an optical device that could give doctors a reliable, low-cost way to determine whether a thyroid nodule is malignant or benign. The five-year project, named Laser and...
Spectroscopy Method Looks at Polarization, Not Spectra TAMPERE, Finland, June 28, 2021 — Researchers at Tampere University and their collaborators have shown how the speed of spectroscopic measurements can be made much faster. By correlating polarization to the color of a pulsed laser, the researchers tracked changes in the spectrum of...
Schunk Group Acquires Majority Stake in Pulsar Photonics LAUFFEN AM NECKAR, Germany, June 25, 2021 — The Schunk Group, a technology company that supplies products made of high-tech materials, as well as machines and systems, will acquire a majority stake in Pulsar Photonics. Based in Herzogenrath near Aachen, Pulsar Photonics is focused on laser...
Laser-Driven Semiconductor Switch Pushes Speed Capabilities of Next-Generation Communications LIVERMORE, Calif., June 23, 2021 — A laser-driven semiconductor switch design can theoretically achieve speeds and voltages higher than existing photoconductive devices — potentially enabling communication speeds beyond 5G if the switch were to be miniaturized and incorporated...
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