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Light Sources News
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 a way that the object can right itself when perturbed, creating a restoring torque to keep it in the light beam. Rather than requiring highly focused laser beams, the researchers designed the patterning of the object as a way to “encode” stability...
Fulham Appoints Industry Expert Antony Corrie President and CEO
HAWTHORNE, Calif., March 21, 2019 — Commercial specialty lighting and electronics provider Fulham Co. has named Antony Corrie as its new president and CEO and brings with him 25 years of experience in the field of lighting technology.
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...
Microrotors Trap Tiny Objects Without Exposing Them to Light
EXETER, England, March 18, 2019 — A team of researchers from the Universities of Glasgow, Bristol, and Exeter have developed a technique that optically traps microscopic objects by using hydrodynamic forces to exert nanoscale-precision control over aqueous particles, without...
3D Printer Uses Different Wavelengths to Print with Multimaterials
MADISON, Wis., March 18, 2019 — A new 3D printer, developed by a team at the University of Wisconsin-Madison, is using different patterns of visible and UV light to provide it with the spatial control necessary to yield multimaterial parts for creating more complex objects. To...
Light Conversion Names New CEO
VILNIUS, Lithuania, March 13, 2019 — Martynas Barkauskas has been named Light Conversion’s new CEO, succeeding Algirdas Juozapavicius, who has been at the helm of the company since its inception in 1994.
Microscopic Robots Powered by Light Could Aid Medical Diagnostics
PHILADELPHIA, March 12, 2019 — Using novel nanofabrication techniques, researchers from the University of Pennsylvania and Cornell University have built micro-robots made from silicon and powered by solar cells. One million functional microscopic robots can be produced from a...
Quantum Dots Are Tuned to Build IR Camera Cheaply, Efficiently
CHICAGO, March 11, 2019 — To build an inexpensive IR camera, scientists at the University of Chicago leveraged the wide spectral tunability of colloidal quantum dots (CQDs), tweaking the CQDs to develop a formula to detect shortwave IR and another formula to detect midwave...
Hengtong Optic-Electric Invests $30M in Rockley Photonics to Extend Joint Venture
OXFORD, England, March 8, 2019 — Rockley Photonics Inc. has received a $30 million investment from and expanded its strategic relationship with Shanghai Hengtong Optic-Electric Co. in a Suzhou-based joint venture with Hengtong addressing the burgeoning 400G DR4 transceiver market....
Light Pulses Transform Mott Insulators
WAKO, Japan, March 7, 2019 — Scientists from the RIKEN Cluster for Pioneering Research have used light pulses to transform Mott insulators into materials that can conduct electricity without energy loss. Through numerical simulations, the researchers showed that pulse...
Lumileds Announces Appointment of Jonathan Rich as Chief Executive Officer
SAN JOSE, Calif., March 4, 2019 — Lumileds, a leader in differentiated lighting technology, has announced the appointment of Jonathan Rich as chief executive officer. He succeeds Mark Adams, who will remain in an advisory role to the company. Rich, who received his Ph.D. in...
Research Team Discovers How to Create and Control Structural Color
STATE COLLEGE, Pa., and CAMBRIDGE, Mass., March 4, 2019 — Researchers from Pennsylvania State University (Penn State) and the Massachusetts Institute of Technology (MIT) have shown how a clear surface covered in transparent droplets and lit with a single white-light lamp can produce bright, iridescent...
Visible-Telecom Entangled Photon Pairs Could Support Quantum Communication
GAITHERSBURG, Md., March 1, 2019 — A photon pair source that can bridge the visible and telecom bands could be useful for transporting quantum communications over optical fibers. However, the optical components that store and process quantum information typically require...
Osram Launches Human-Centric Lighting System
WILMINGTON, Mass., Feb. 28, 2019 — Leading global lighting and technology company Osram is launching a digital tunable white (TW) system based on DALI-2 designed for human-centric lighting (HCL) applications in educational, commercial office, and health care settings. HCL brings...
UH Chemist Earns CAREER Award for Work in Luminescence
HOUSTON, Feb. 28, 2019 — University of Houston assistant professor Thomas Teets has received a five-year, $589,000 National Science Foundation CAREER Award to explore synthetic strategies for producing photoactive organometallic compounds. Teets, an experimental chemist,...
Perovskite Quantum Dots Deliver Coherent Single-Photon Emission
CAMBRIDGE, Mass., Feb. 25, 2019 — In an advancement toward a single photon source for use in quantum computing and communications devices, researchers at the Massachusetts Institute of Technology (MIT) and ETH Zurich showed that individual perovskite quantum dots could be used as a...
Funding Aims to Improve Global Gravitational Wave Network
SWINDON, England, Feb. 25, 2019 — U.S. and U.K. science funding agencies have earmarked $30 million in additional funding aimed at significantly increasing the sensitivity of gravitational wave observatories around the globe. Improvements to the global gravitational wave network,...
Defects in Perovskites Could Have Positive Impact on Optoelectronic Devices
ST. LOUIS, Feb. 22, 2019 — In a quest to design more efficient solar cells and LEDs, an engineering team from the University of Washington in St. Louis analyzed different types of defects in the semiconductor material that enables such devices to determine if and how these...
Thermally Painted Metasurfaces Yield Perfect Light Absorbers
CLEVELAND, Ohio, Feb. 22, 2019 — A 3000-year-old metallurgy technique of heating metal to create vibrant colors creates a nanostructured surface that acts as a perfect light absorber, researchers from Case Western Reserve University have found. The team applied its findings to...
UTA Engineer Earns NSF CAREER Grant to Develop Bioinspired 3D materials
ARLINGTON, Texas, Feb. 20, 2018 — Kyungsuk Yum, an assistant professor at the University of Texas at Arlington, has been awarded a five-year, $500,000 National Science Foundation (NSF) Early Career Development Program grant to design and develop bioinspired 3D materials with...
New Use for Quantum Dots: Tracking the Pollination Process
STELLENBOSCH, South Africa, Feb. 18, 2019 — A pollination biologist from Stellenbosch University is breaking new ground in his field by using quantum dots to track and label individual pollen grains. His novel, low-cost method could enable biologists to track the whole pollination process,...
Fluorogenic Method Detects Two-Protein Aggregation in Live Cells
STATE COLLEGE, Pa., Feb. 15, 2019 — A new method uses fluorescence to detect potentially disease-causing forms of proteins as they misfold and unravel due to stress or mutations. Researchers from Pennsylvania State University (Penn State) and the University of Washington re-engineered...
Improving the Stability and Optical Properties of Perovskite Films
HONG KONG, Feb. 14, 2019 — A new approach to producing all-inorganic perovskite films — the result of a joint research effort by City University of Hong Kong (CityU) and Shanghai University — could further the development of high-color-purity, low-cost perovskite LEDs with a...
Scientists to Test Light Therapy as Relief from Side Effects of Cancer Treatment
BUFFALO, N.Y., Feb. 14, 2019 — University at Buffalo (UB) researchers have received part of a $1.5 million grant to investigate light therapy as a replacement for prescription opioids in treating oral mucositis, painful ulcers, and swelling in the mouth that result from...
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