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Education News
Microscope Provides Precise 3D Imaging of Thick Mammalian Cells
STANFORD, Calif., March 5, 2018 — A new microscope produces 3D nanoscale images of mammalian cells in their entirety. Because the axial positions of the single emitters are encoded in the shape of each single-molecule image rather than in the position or thickness of the light sheet, the light sheet need not be extremely thin. TILT3D — tilted light sheet microscopy with 3D point spread functions (PSFs) — combines a new tilted light sheet illumination technique with long axial range PSFs for low-background, 3D
Chip-Scale Dual-Comb Spectroscopy Could Be Used in the Field
NEW YORK, March 5, 2018 — A research team has put two frequency comb generators on a single millimeter-sized chip, miniaturizing the dual comb and thus making it portable enough to perform sensing and spectroscopy in field environments in real time. Researchers from Columbia...
3D-Printed Hyperspectral Imagers Designed for UAVs
LONGYEARBYEN, Norway, March 1, 2018 — Researchers used 3D printing and low-cost parts to create an inexpensive hyperspectral imager that is light enough to use onboard drones. The visible-wavelength hyperspectral imager (HSI) weighs less than half a pound and, according to researchers,...
Attosecond Pulses From Extreme UV Light Source Break Into Atomic Interior
MUNICH, March 1, 2018 — To observe the ultrafast electron motion in the inner shells of atoms with short light pulses, the pulses must not only be ultrashort, but very bright, and the photons that are delivered must have sufficiently high energy. This combination of...
YouTube Phenom Builds Lasers From Spare Parts
Feb 28, 2018 — Drake Anthony calls himself a professional mad scientist on YouTube. That’s because … well … he sort of is. Anthony has built his own lasers since he was 12, when he first took apart a green laser pointer, modified it and made it...
Vrije Hosts Photonics Show for High School Students
BRUSSELS, Feb. 28, 2018 — B-PHOT, the Brussels Photonics Team at Vrije Universiteit Brussel (VUB), is organizing its eighth VUB Science Show on Photonics to introduce 1500 students to science and engineering. A team of Ph.D. researchers from B-PHOT take the students for an...
Nanophotonic Sensors Monitor Processes in Living Cells
OKINAWA, Japan, Feb. 27, 2018 — A large-scale biosensor developed using nanoplasmonic material is able to accommodate a large number of cells on a single substrate and monitor cell proliferation in real time. The nanoplasmonic material allows for long-term cell survival and...
A New Use for Deep Learning — Hologram Reconstruction
LOS ANGELES, Feb. 26, 2018 — Researchers have used a deep learning-based, computational approach to reconstruct a hologram and form a microscopic image of an object. This deep learning-based technique rapidly eliminates twin-image and self-interference-related artifacts using...
Tunable Metalens Can Change Its Focus in Real Time, Like a Human Eye
CAMBRIDGE, Mass., Feb. 26, 2018 — Researchers have demonstrated electrically tunable large-area metalenses controlled by artificial muscle technology. The adaptive metalens simultaneously controls for three of the major contributors to blurry images: focus, astigmatism and image...
Nanocarbon Shows Promise for Fluorescent Bioimaging
NAGOYA, Japan, Feb. 22, 2018 — An international team from Nagoya University and Boston College has developed a flexible, water-soluble warped nanographene molecule that is biocompatible. The molecule was also found to induce cell death when exposed to light. The new molecule...
LED-Based Headlight Meets US Safety Requirements, Reduces Energy Consumption
TAIWAN, Feb. 22, 2018 — Researchers have designed an LED-based train headlight that uses one-tenth of the energy required for headlights that use conventional light sources. If operated eight hours every day, the electricity savings of the new design could reduce emissions...
Researchers Create Light-Emitting Nanoantennas Using Perovskite
ST. PETERSBURG, Russia, Feb. 21, 2018 — A research team has used hybrid perovskite to create light-emitting nanoantennas with enhanced photoluminescence. The nanoantenna and light source are combined in a single nanoparticle. The new nanoantenna can generate, enhance and direct emission...
Tomography System Could Help Determine Who Will Respond Best to Chemo
NEW YORK, Feb. 20, 2018 — A new optical imaging system uses red and NIR light to identify breast cancer patients who could benefit most from chemotherapy. The dynamic diffuse optical tomography system could be able to predict response to chemotherapy as early as two weeks...
Multiple Resonators Can Improve Signal Transmission
NEW YORK, Feb. 20, 2018 — Scientists have developed a light wave isolation method for efficient signal transmission that is less costly and more versatile than use of a single resonator to induce light waves to travel in just one direction. The new approach does not require...
Spectroscopy Explores Photoinduced Reactions in Anticancer Drug
COVENTRY, England, Feb. 20, 2018 — Using IR spectroscopy researchers have gained fresh insight into how a platinum-based chemotherapy drug candidate functions when activated by light. Completely inactive and non-toxic in the dark, the treatment can be targeted to cancerous areas and...
Researchers Receive $1M NSF Grant for STEM Outreach Geared Toward Girls
FROSTBURG, Md., Feb. 20, 2018 — Cathlyn Stylinski, a researcher at the University of Maryland’s Center for Environmental Science's (UMCES) Appalachian Laboratory, has received a $1 million, three-year National Science Foundation (NSF) grant with her colleagues to explore...
Team Demonstrates Three-Photon Bound States, Advancing Quantum Computing
CAMBRIDGE, Mass., Feb. 16, 2018 — Scientists have observed traveling three-photon bound states in a quantum nonlinear medium, a phenomenon that could help further the use of photons in quantum computing. Researchers from the Massachusetts Institute of Technology (MIT) and Harvard...
Quantum Computing Advances With Demo of Spin–Photon Interface in Silicon
PRINCETON, N.J., Feb. 15, 2018 — Researchers have experimentally demonstrated a way to use light to connect silicon quantum bits (qubits) of information that are not immediately adjacent to each other. Their work could advance scientific efforts to make quantum computing devices...
Lowering Fusion Temperatures Costs for Nano-Based Manufacturing
NEW BRUNSWICK, N.J., Feb. 15, 2018 — A new method of processing materials for nano-based manufacturing allows intense pulsed light sintering (IPL) to be used at a lower temperature, enabling low-cost, temperature-sensitive plastic substrates to be used in the manufacture of flexible...
Team Uses Plasmonics to Improve QD LED Efficiency
DAEJEON, South Korea, Feb. 14, 2018 — Researchers have designed metallic nanostructure substrates that can lower production cost while improving the efficiency of quantum dot (QD) LEDs. For their design, the team exploited the phenomenon of so-called surface plasmonic resonances when...
Silicon Quantum Chip Brings Quantum Computation Closer
DELFT, Netherlands, Feb. 13, 2018 — Scientists have shown that a single electron spin and a single microwave photon can be coupled on a silicon chip. This coupling theoretically could make it possible to transfer quantum information between a spin and a photon. Quantum computation...
Quantum Dots Catalyze Polymer Creation
HOUSTON, Feb. 13, 2018 — Using semiconductor quantum dots (QDs) as a catalyst for light-mediated radical polymerization, materials scientists are exploring a stable and economical method for making polymers that could be used in place of molecular catalysts or expensive...
Far-UVC Light Could Safely Limit Spread of Flu, Other Airborne Viruses
NEW YORK, Feb. 12, 2018 — Continuous low doses of far-UVC light have been shown to kill airborne flu viruses without harming human tissue. Far-UVC light could offer a low-cost solution to controlling airborne microbial diseases in indoor public spaces. <br A study...
Enhanced Magnetic Dipole Source, Glass Fiber Tailor Radiation in THz Region
SYDNEY and ADELAIDE, Australia, Feb. 12, 2018 — Researchers have demonstrated an enhanced magnetic dipole source in the terahertz frequency range, a necessary step to harness the magnetic nature of light for terahertz devices. Collaborating scientists from the University of New South Wales, the...
VNIR HSI Technology Can be Integrated With Consumer Devices
ESPOO, Finland, Feb. 5, 2018 — A cost-efficient hyperspectral imaging (HSI) technology has been developed that could enable new artificial intelligence applications to be introduced into mobile devices, allowing for use in smart home systems. A novel hyperspectral camera,...
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