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education News
Better Beer, Bread Thanks to Supercontinuum Lasers
Oct 2, 2017 — Most beer is made from four primary ingredients: grains, hops, yeast and water. The basic ingredients for bread are flour, yeast, water and salt. Throw a supercontinuum laser combined with near-IR into the mix and researchers say they can produce better quality beer and healthier bread. Researchers from Denmark’s University of Copenhagen Department of Food Science and Aarhus University Department of Chemistry are using an NKT Photonics supercontinuum laser at wavelengths from 2260 to
Advances in Aerial Thermography Could Transform Archeological Methods
HANOVER, N.H., Oct. 2, 2017 — Today's radiometric thermal cameras, coupled with small, inexpensive drones controlled by a smartphone or tablet, have made aerial thermography more accurate, comprehensive and accessible than previous technologies. Multiple aerial images can now be...
NIH Awards $15M in Human Disease Modeling Grants
BETHESDA, Md., Oct. 2, 2017 — The National Institutes of Health (NIH) have announced 13 two-year awards totaling about $15 million per year to develop 3-D microphysiological system platforms that model human disease. These platforms, called "tissue chips," support living cells...
Purdue to Create Risk-On-A-Chip Device
WEST LAFAYETTE, Ind., Oct. 2, 2017 — Researchers at Purdue University are using nanosensors in a device that they hope will help identify risk factors that cause breast cancer. The device, known as risk-on-a-chip, is a small plastic case with several thin layers and an opening for a...
Columbia Scientists Use Andor Camera to Develop 3D Microscope
BELFAST, Northern Ireland, Oct. 2, 2017 — A team of scientists at Columbia University have successfully developed the Swept Confocally Aligned Planar Excitation (SCAPE) 3D microscope, which eliminates the need to mount samples or other special preparation and is capable of imaging freely...
All-Optical Polarization Control Could Allow Faster Data Transfer
LONDON, Sept. 29, 2017 — A breakthrough in rapid polarization switching with an all-optical polarization control could allow faster data transfer and open new areas of nanoresearch, enabling researchers to learn more about unseen nanoscale worlds such as drug chemistry and...
Light, Oxygen and Moisture Combine to Mend Defects in Industrial Perovskite Films
CAMBRIDGE, England, Sept. 28, 2017 — Exposure to light combined with exposure to humidity and oxygen has been shown to permanently correct defects in the molecular structure of perovskites, resulting in minimal non-radiative losses and properties approaching those of perovskite single...
Photorealistic 3D Renderings Accurately Digitize Transparent Objects
KONGENS LYNGBY, Denmark, Sept. 28, 2017 — The ability to create detailed, 3D digital versions of clear objects and their surroundings has been difficult for researchers because of the different modalities required to digitize objects with diffuse reflectance properties. Scientists from the...
Scaled-Up Mirror-Coating Technology Could Improve Telescope Efficiency
SANTA CRUZ, Calif., Sept. 28, 2017 — Scientists are adapting atomic layer deposition (ALD), a technique widely used in the microelectronics industry, to develop protected silver coatings suitable for telescope mirrors. These coatings could help telescopes maintain high reflectivity at...
Light Pulses Quickly Drive Electronic Currents Through Graphene
ERLANGEN, Germany, Sept. 27, 2017 — Physicists have used light to control an electronic current through graphene within one femtosecond. According to the research team this speed could be more than a thousand times faster than the speed of current transistors. While it’s...
Ballistic Photon Imaging Locates Fiber Optic Instruments In Vivo
EDINBURGH, Sept. 27, 2017 — A camera that detects light sources inside the human body could be used at a patient’s bedside to track and guide the location of an endoscope, or other fiber-optic instrument, in the body without the need for x-rays or other equipment. Light...
Photosensitizer Enhances The Anticancer Properties of an Antimalarial Drug
SINGAPORE, Sept. 26, 2017 — Scientists have shown that the anti-cancer properties of artemisinin, an anti-malarial drug that is also a promising alternative cancer treatment, could be enhanced potentially ten-fold when used with the photosensitizer aminolaevulinic acid (ALA)....
Quantum Repeater Could Speed, Secure Long-Distance Quantum Communication
JOHANNESBURG, South Africa, Sept. 25, 2017 — Researchers have experimentally demonstrated photon entanglement swapping and teleportation for multiple orbital angular momentum (OAM) states of light. When OAM is used as an information carrier, photon states can decay over long distances; thus a...
Converting Light to Sound Waves Leads to Hybrid Chip for Data Transfer
CAMPERDOWN, Australia, Sept. 22, 2017 — Researchers have demonstrated a way to transfer optical information coherently to an acoustic hypersound wave on a photonic microchip. Optical information is extracted using a reverse process. A coherent buffer can store the photonic information in...
QD Lasers Epitaxially Grown on Silicon Could Be Smallest to Date
HONG KONG, Sept. 21, 2017 — Record-small electrically pumped micro-lasers have been epitaxially grown on industry standard (001) silicon substrates. Continuous-wave lasing up to 100 degrees Celsius was demonstrated at 1.3 μm communication wavelength. Researchers achieved a...
Univ. of Arkansas Professors Awarded $250K NSF Grant for Microwave Photonics Chip
FAYETTEVILLE, Ark., Sept. 20, 2017 — The U.S. National Science Foundation has awarded a $250,000 grant to two professors at the University of Arkansas to develop a new integrated microwave photonics (IMWP) chip. Titled “EAGER: Sapphire Based Integrated Microwave Photonics,”...
Underwater Video Achieves Quality by Improving Bandwidth
THUWAL, Saudi Arabia, Sept. 20, 2017 — Underwater wireless optical communication (UWOC) systems could be a flexible and cost-effective technology for streaming high-quality underwater video images. Existing technologies like acoustic communications and low-frequency radio waves are...
Physicists Identify Optimum Conditions for Laser Plasma Acceleration
DRESDEN, Germany, Sept. 19, 2017 — Laser plasma acceleration, which has a smaller footprint and higher peak currents than conventional electron accelerators, could be the basis for the next generation of compact light sources. To make laser plasma acceleration practical for future...
Insight into Glass Formation Could Lead to Coatings, Other Applications
PHILADELPHIA, Sept. 18, 2017 — To better understand the optical properties of stable glasses, and whether they are analogous to the properties of naturally aged glasses, researchers developed perfectly round molecules that retain their three-dimensional shapes and do not...
VLBI, Gaia Data Could Improve Our Understanding of Quasars
MOSCOW, Sept. 18, 2017 — By analyzing unexpected discrepancies between high-precision observations conducted by an international network of radio telescopes and that of Gaia, the space observatory of the European Space Agency, scientists have determined the properties of...
UArizona’s Norwood Awarded $3.7M by DOE for Solar Technologies
TUCSON, Ariz., Sept. 18, 2017 — Robert Norwood, a University of Arizona professor of optical sciences, has been awarded $3.7 million dollars in two separate programs by the Department of Energy's Advance Research Programs Agency (ARPA-E) to make significant advances in the...
Graphene-Based Absorbers Could Enable Ultrafast Lasers in THz Range
MODENA, Italy, Sept. 15, 2017 — A terahertz (THz) saturable absorber has been created using printable graphene inks produced by liquid phase exfoliation (LPE) and deposited by transfer coating and ink jet printing. A THz saturable absorber, which decreases the absorption of light...
Device Allows Standard Cameras to Produce Hyperspectral Images
BEER-SHEVA, Israel, Sept. 14, 2017 — A miniaturized hyperspectral device has been developed as an add-on for a standard camera, and could be used to repurpose a camera for generating hyperspectral images and videos for a range of applications. Developers of the device used compressive...
Cloaking Approach Prevents Light Scattering in Opaque Objects
VIENNA, Sept. 14, 2017 — In a novel approach to cloaking technology, researchers irradiated an opaque material from above, using a specific wave pattern that allowed light waves from the left to pass through the material without any obstruction. The researchers believe that...
Nicolaas Bloembergen, Winner of Nobel Prize in Physics, Dies at 97
TUCSON, Ariz., Sept. 13, 2017 — Dutch-born optics pioneer and Nobel Prize winner Nicolaas Bloembergen died on Sept. 5 in Tucson, Ariz. He was 97. The cause of death was cardiorespiratory failure. Dr. Bloembergen, who spent more than 40 years at Harvard University, made lasting...
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June 2024
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