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Nano News
Low-Cost Synthetic Diamond Fabrication Could Step Up Quantum Tech
SYDNEY, June 8, 2021 — Using a thin tungsten layer as a restraining, conductive, removable hard mask, researchers at the University of Technology Sydney (UTS) developed a method for the fabrication of synthetic diamond. The developed material can be used for the photonic circuitry that used in quantum technologies. The masking method is safe and inexpensive, and it uses the tungsten layer to pattern the diamond nanostructure that enables the creation of 1D photonic crystal cavities. Although the tungsten layer
Programmable 2D Nanomaterial Captures Artificial Light for Bioimaging
RICHLAND, Wash., May 27, 2021 — A light-harvesting nanomaterial inspired by the hierarchically structured biominerals in nature could be used to build artificial light-harvesting systems for bioimaging, photovoltaics, and other applications. Created by researchers at Pacific...
Research Reveals Surprising Behaviors of Nanoparticles
ALBUQUERQUE, N.M., May 20, 2021 — A collaboration between scientists from the University of New Mexico, Los Alamos National Laboratory, and the Institute of Optics (Spain) has developed a framework that enables the efficient and simple description of the thermalization dynamics of...
Light-Controlled Nanoparticles Support Noninvasive Nanomedicine
ST. PETERSBURG, Russia, May 13, 2021 — Scientists from ITMO University have developed a production method for bio-integrated optical nanomaterials based on Mie-resonant silicon nanoparticles. The nanoparticles used in the work are covered by biopolymer shells and can be controlled by...
Integrated Metaform Device Delivers Compact AR/VR Eyewear
ROCHESTER, N.Y., May 5, 2021 — A team from the University of Rochester’s Institute of Optics imprinted freeform optics with a metasurface, in a combination of optical technologies that charts a course for a new fabrication method for AR/VR glasses. The metasurface, a silver...
People in the News: 05/05/21
May 5, 2021 — ROANOKE, Va. — Fiber optic technology provider Luna Innovations named Brian Soller COO. Soller served as senior vice president and general manager of Lightwave, a division of Luna. Soller holds multiple patents in optics. Luna Innovations COO...
Nanoflashlight Could Turn Mobile Devices into Powerful Biosensors
CAMBRIDGE, Mass., May 4, 2021 — Researchers at MIT built a device that they describe as a “nanoscale flashlight” on a chip. The device overcomes a limitation of spectroscopy, in that spectrometers are relatively large instruments. Much like a spectrometer, the MIT...
Raman Spectroscopy Platform Delivers Insights on Intrinsically Disordered Proteins
HONG KONG, April 30, 2021 — Researchers from the Hong Kong University of Science and Technology (HKUST) developed optical tweezers-coupled Raman spectroscopy that can directly probe the structural features of alpha-synuclein, an intrinsically disordered protein (IDP) that is...
Silver Ions’ Dispersion from Alloys Benefits Optical Sensors, Other Applications
HOUSTON, April 27, 2021 — A study led by Rice University and the University of Duisburg-Essen in Germany used hyperspectral dark-field imaging microscopy to reveal the multistep mechanism that causes silver ions to dissipate from gold-silver alloy nanoparticles. Gold-silver...
2D Microlaser Arrays Enhance Stability, Power
RESEARCH TRIANGLE PARK, N.C., April 26, 2021 — Researchers from the University of Pennsylvania and Duke University designed and built 2D arrays of closely packed microlasers that demonstrated the stability of a single microlaser and that collectively achieved power density that were orders of...
Metalens Will Deliver on Challenging Printing Applications, Direct Laser Lithography
EVANSTON, Ill., April 23, 2021 — A team at Northwestern University designed a high-numerical aperture metalens and fabricated it on an optical fiber tip, using a set of processes that establishes an alternate path for optical nanoparticle trapping and other imaging applications...
Gold Nanoparticle Plasmon Coupling Illuminates Thermal Sensing Possibilities
RALEIGH, N.C., March 31, 2021 — Researchers from North Carolina State University have described a method for achieving desirable optical properties by stretching shape-memory polymers embedded with gold nanoparticle clusters so as to alter their plasmon-coupling capabilities. The...
Light Delivers Hydrogen from Nonphotosynthetic Microorganisms
LISBON, Portugal, March 29, 2021 — A team in Portugal has introduced a method for the sustainable conversion of solar energy into hydrogen, relying on biohybrid systems — combinations of nonphotosynthetic materials, bacteria, and semiconductor nanoparticles. The ability of...
DNA Origami Supports Applications In and Beyond Life Sciences
REGENSBURG, Germany, March 26, 2021 — A European research team developed a dye- and DNA programming-based approach for counting molecules present within individual complexes. The approach supports biomedical and life sciences applications, as well as those involving OLEDs, solar cells,...
Microscope Technology Based on NanoLED Array Platform Moves Toward Commercialization
BARCELONA, Spain, March 16, 2021 — An international team led by researchers at the University of Barcelona developed a superresolution optical chip-size microscope that is supported by nanoLEDs functioning as a light source. The nanoLEDs can determine the resolution of the microscope...
Optical Tweezing Inspires Nanoscopic Trapping Method
SYDNEY, March 9, 2021 — Researchers from the University of Technology Sydney (UTS) have deployed the existing principles of optical tweezer technology, which enables the manipulation and assemblage of nanoparticles, as a base for a technique that allows them to manipulate...
Chirality and Nanotechnology Speed Up Light-Based Drug Screening
ANN ARBOR, Mich., March 2, 2021 — A team of international collaborators has introduced a drug-screening technique that relies on nanostructure chirality as its fundamental property. (Chirality is a quality that, for a physical object, means it cannot be superimposed on its mirror...
ICLED-Powered Sensor Charts Course for Cost-Effective Methane Detection
WASHINGTON, D.C., Feb. 24, 2021 — Collaborating researchers from Princeton University and the U.S. Naval Research Laboratory demonstrated gas sensor technology capable of detecting very low concentrations of methane gas, at concentrations as low as 0.1 ppm (parts per million)....
Light-Powered Robotic Arm Increases 3D-Printing Manipulability
EVANSTON, Ill., Feb. 15, 2021 — A research team at Northwestern University developed a method that uses light to improve the speed and precision of 3D printing. The method features a light-activated robotic arm paired with a liquid photopolymer. The system ensures free motion...
Leica Microsystems, Imperial College London Launching Imaging Hub
LONDON, Jan. 29, 2021 — Leica Microsystems, a developer and manufacturer of microscopes and scientific instruments for the analysis of micro- and nanostructures, and Imperial College London are establishing a dedicated hub for optical imaging at Imperial. The Leica and...
MEMS Resonator Based on Gallium Nitride Maintains Stability at High Temperature
KAWAGUCHI, Japan, Jan. 19, 2021 — A MEMS resonator that achieves operational stability under high temperatures by regulating the strain of imparted heat from gallium nitride has demonstrated qualities that show its promise as a highly sensitive oscillator device in the pursuit of...
SERS Chip Senses Near the Quantum Limit
BUFFALO, N.Y., Jan. 13, 2021 — University at Buffalo researchers have developed a chemical sensing chip that boasts a range of potential applications, from the detection of illicit substances and dangerous materials, to counterfeit prevention. The chip, which relies on...
Scientists Spin Graphene and Gold into Terahertz Waves
DRESDEN, Germany, Dec. 29, 2020 — A German-Spanish research team has developed a graphene-based approach for increasing the efficiency with which the scientists were able generate terahertz pulses. In the system, the researchers coated a graphene sheet with a metallic lamellar...
3D-Printed Lens Design Improves Data Transfer Possibilities
CHAMPAIGN, Ill., Dec. 15, 2020 — A team of researchers from the University of Illinois has developed a spherical lens capable of allowing incoming light — from any direction — to be focused on the lens’s surface opposite the input direction into a very small spot....
Nanochip Team Aims for Quantum Advantage with Photons
COPENHAGEN, Denmark, Dec. 9, 2020 — Collaborating researchers from the University of Copenhagen’s Niels Bohr Institute and the University of Bochum (Germany) have developed a chip with scale-up potential that they say will serve as a core component of a quantum simulator. The...
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May 2024
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