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Education News
In New Material, Color and Thermal Properties Can Be Tuned Separately
CAMBRIDGE, Mass., April 4, 2019 — Researchers at the Massachusetts Institute of Technology (MIT) have optically engineered a polymer material to allow its color and thermal properties to be tailored independently of each other. The new films simultaneously provide light weight, conformability, either visual coloring or transparency on demand, and passive thermal management through conduction and radiation. To fabricate the films, the team started with a mixture of polyethylene powder and a chemical solvent. Nanoparticles
New Glass Family Demonstrates High Refractive Index, UV-Shielding Properties
STATE COLLEGE, Pa., April 4, 2019 — A novel composition of germanosilicate glass, created by adding zinc oxide, has properties that could be valuable for lens applications. The new family of zinc germanosilicate glass was invented by a research group at The Pennsylvania State...
Low-Loss, All-Fiber System Supports Coupling Between Distant Atoms
TOKYO, April 3, 2019 — A team of scientists from Waseda University, the Japan Science and Technology Agency, and the University of Auckland developed an integrated, all-fiber coupled-cavities quantum electrodynamics (QED) system, in which a meter-long portion of...
All-Dielectric Nanoantennas Enable Study of Temperature-Mediated Effects
VLADIVOSTOK, Russia, April 3, 2019 — Scientists at Far Eastern Federal University (FEFU) have devised a method for efficiently mass-producing silicon-germanium (Si-Ge) fully alloyed nanoantennas. The electron-beam lithography traditionally used for production is expensive and...
Computational Methods Enable Solid-State Lighting to Self-adjust
BARCELONA, Spain, April 2, 2019 — Researchers from the Catalonia Institute for Energy Research (IREC) and Ledmotive Technologies have developed a two-step approach to generate arbitrary spectral power distributions (SPDs) using multichannel LED engines. This approach could be used...
Particle Cavity Cooling Could Aid Quantum Effects Study
VIENNA, April 2, 2019 — A new method for cooling levitated nanoparticles using optical tweezers, discovered by researchers at the University of Vienna, the Austrian Academy of Sciences, and the Massachusetts Institute of Technology (MIT), could advance scientists’...
Liquid Crystals Could Help Protect Against Laser Pointer Attacks
ROMEOVILLE, Ill., April 1, 2019 — Liquid crystals could someday be used to help deflect laser pointer attacks on aircraft, regardless of the wavelength used in the attack. According to the Federal Aviation Administration, 6,754 laser strikes on aircraft were reported in 2017. The...
Metalens Design Enables Reconfigurable Imaging
EVANSTON, Ill., March 29, 2019 — A Northwestern University research team has developed an imaging platform based on fully reconfigurable metalenses. The lenses focus light by exciting surface lattice resonances that are tuned by patterned polymer blocks on single-particle sites....
Laser-Induced Avalanche Breakdown Detects Radioactive Material Remotely
COLLEGE PARK, Md., March 28, 2019 — A new method to identify radioactive material employs an IR laser beam to detect shielded material from a distance. The method, developed by physicists at the University of Maryland, improves upon current detection technologies that require close...
Open-Source Solution Could Lower Cost of Optical Cardiography
DOLGOPRUDNY, Russia, and WASHINGTON, D.C., March 28, 2019 — An open-source solution for multiparametric optical mapping of the heart’s electrical activity, developed by an international research team, could further understanding of the mechanisms underlying cardiac arrhythmias. The 3D models of the...
Inverse-Designed Metastructures Operate with Light to Perform ‘Photonic Calculus’
PHILADELPHIA, March 27, 2019 — A research team at the University of Pennsylvania has demonstrated a metamaterial device that can function as an analog computer. Such processing typically requires complex systems of bulk optical elements like lenses, filters, and mirrors. The...
Arizona Optics Industry Continues Growth of Optics Valley
TUCSON, Ariz., March 27, 2019 — The Arizona optics industry continues its upward trend with a $500,000 contract awarded to a business consultancy firm that is a member of the Arizona Technology Council, an organization dedicated to growing Optics Valley.
Measuring Quantum Back Action Could Improve Sensitivity of Gravitational-Wave Detectors
BATON ROUGE, La., March 26, 2019 — Researchers at Louisiana State University (LSU) have defined a broadband, off-resonance measurement of quantum radiation pressure noise (QRPN) in the audio band, at frequencies relevant to gravitational-wave detectors. The noise spectrum obtained by...
In a New Quantum Simulator, Light Behaves Like a Magnet
LAUSANNE, Switzerland, March 26, 2019 — When following the laws of quantum mechanics, systems made of many interacting particles can display behavior so complex that they cannot be quantitatively described by even the most powerful computers. In 1981, visionary physicist Richard Feynman...
Portable Photonic Crystal Biosensor Detects, Quantifies HIV in Africa
CAIRO, March 25, 2019 — Two African researchers have combined their laser expertise to develop a device that could improve the quality of treatment and life expectancy of people living with HIV. Sello Manoto, an African Laser Centre grant holder and CSIR Biophotonics...
Textile-Based Display Module Is Self-Powered, Washable
DAEJEON, South Korea, March 25, 2019 — A Korea Advanced Institute of Science and Technology (KAIST) research team has developed a textile-based wearable display module technology that is washable and does not require an external power source. The team fabricated its wearable display...
Photoacoustic Technique Measures Frequency to Image Structures of Different Scales
TORONTO, March 25, 2019 — A newly developed frequency domain technique for photoacoustic (PA) image formation, developed by a team at Ryerson University and St. Michael’s Hospital, subdivides PA signals into different frequency bands. Called F-Mode, the new technique...
Melanoma Blood Vessel Changes Detected with OCT Imaging
BERLIN, March 25, 2019 — An international team of researchers has proven that dynamic optical coherence tomography (D-OCT) imaging of melanoma reveals changes to the blood vessels that correlate with the depth of its invasion, which could lead to a faster method of rapidly...
Quantum Dots Demonstrate High Luminescence Efficiency
STANFORD, Calif., March 22, 2019 — A new technique for precisely measuring quantum dot (QD) performance, developed by researchers at Stanford University, showed that groups of QDs reliably emit about 99.6 percent of the light they absorb, with a potential error of 0.2 percent in...
Industrial Laser Proves Effective at Removing Nonstick Coatings
CÓRDOBA, Spain, March 22, 2019 — The Manufacturing Processes Engineering research group at the University of Cordoba has validated a new method for the removal of anti-adherent fluoropolymer coatings using a continuous-wave (CW) Nd:YAG laser. The research focused on the factors...
UMass Lowell Doctoral Student Wins Award for Cancer Imaging Device
LOWELL, Mass., March 22, 2019 — A University of Massachusetts Lowell Ph.D. candidate in physics has won international recognition for his research work in developing an imaging device that could lead to improved diagnosis and treatment of certain skin cancers.
Quantum Dots Create Distance Between Electron Spins for Quantum Computing
COPENHAGEN, Denmark, March 21, 2019 — Scientists at the Niels Bohr Institute have realized the swap of electron spins between distant quantum dots. This is significant for future quantum communications because it will allow the distance between the quantum dots to be large enough for...
Nanoscale Patterning of Light Manipulates Macroscale Objects
PASADENA, Calif., March 21, 2019 — By creating a distinct nanoscale patterning on the surface of an object, researchers at the California Institute of Technology (Caltech) have designed a way to levitate and propel objects using only light. The patterning interacts with light in such...
Supercrystal Exhibits a Stable State Over Time
STATE COLLEGE, Pa., March 19, 2019 — A supercrystal created by researchers from Pennsylvania State University and Argonne National Laboratory represents a new state of matter with long-term stability. The goal of the research team, which also includes researchers from the University of...
Photoacoustic Imaging Detects Early Symptoms of Preeclampsia
NEW ORLEANS, March 18, 2019 — Photoacoustic imaging could be a viable tool for detecting preeclampsia before it becomes a life-threatening condition for mother and baby, according to a Tulane University study. Preeclampsia — maternal hypertension and proteinuria — is...
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