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Imaging Method Traces 3D-Printed Objects Back to Their Source BUFFALO, N.Y., Oct. 19, 2018 — A University at Buffalo research team has developed a method for tracing 3D-printed objects back to the machines that printed them. PrinTracker is a 3D-printer identification system that can precisely trace the printed physical object to its source 3D printer based on the object’s “fingerprint.” Each layer of a 3D-printed object contains tiny wrinkles — usually measured in submillimeters — called in-fill patterns. These patterns are supposed to be uniform. However, the printer’s model type,...
FEFU Team Awarded Russian Material Grant VLADIVOSTOK, Russia, Oct. 18, 2018 — A research team led by Denis Kosyanov at the Far Eastern Federal University (FEFU) has received grant funding from the Russian Foundation for Basic Research (RFBR) for developing and standardizing manufacturing processes for materials based on laser...
Universal Photonics to Distribute 3M Polishing Tool CENTRAL ISLIP, N.Y., Oct. 18, 2018 — Surface preparation material manufacturer Universal Photonics Inc. has been given exclusive North American distribution rights for 3M’s Trizact Diamond Tile. The Trizact Diamond Tile polishing tool removes material faster than coarse slurries or...
Corning Receives Raytheon Supplier Awards CORNING, N.Y., Oct. 4, 2018 — The advanced optics business unit of Corning Inc. has received two 2018 Supplier Excellence EPIC awards from Raytheon. One of the awards recognizes Corning’s Keene, N.H., manufacturing facility for contributions to Raytheon’s Multi-Spectral...
Agarwal Group Puts Spin on Photons PHILADEPHIA, Oct. 1, 2018 — The University of Pennsylvania's (Penn) Agarwal Group, headed by professor Ritesh Agarwal, seeks to understand how light interacts with small-scale nanostructures. The group then uses that understanding to engineer useful and innovative...
UTEP, Aconity3D Partner for 3D Printing Operations EL PASO, Texas, Sept. 28, 2018 — The University of Texas at El Paso (UTEP) will serve as the North American base of operations for Aconity3D, a producer of 3D printing equipment, under a new agreement announced by the two organizations. Aconity3D, based in Herzogenrath, Germany,...
Rice Researchers Investigate 2D Materials for Maximum Optical Response HOUSTON, Sept. 25, 2018 — Rice University scientists have used qualitative analytical modeling and first-principles calculations to determine the theoretical limit of the maximum optical response in 55 2D materials. Their study predicts 2D materials that could potentially be...
New Blue-Emitting Material Is Lead-Free, Highly Efficient TOKYO, Sept. 21, 2018 — A novel photoluminescent, lead-free, zero-dimensional (0D) material, designed by scientists at Tokyo Institute of Technology, could be used to fabricate thin films for quantum dots (QDs) and other nanotechnologies. The fabricated material, Cs3Cu2I5,...
Neural Networks Predict Crystal Stability SAN DIEGO, Sept. 21, 2018 — Researchers at the University of California, San Diego (UCSD) are using deep neural networks to predict the stability of materials in two classes of crystals: garnets and perovskites. They trained artificial neural networks to predict a...
Electron Spin Is Shown to Influence Energy Flow in Perovskites ERLANGEN, Germany, Sept. 20, 2018 — Physicists at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) have shown that incoming light will cause the electrons in warm perovskites to rotate, thus influencing the direction of the flow of electrical current. “Two...
Atomic Clock Can Determine Absolute Timing of the Photoelectric Effect VIENNA, Austria, Sept. 20, 2018 — According to scientists at the University of Vienna (TU Wien), it is now possible to measure the photoelectric effect. The TU Wien team, together with research groups from Garching, Munich, and Berlin, determined the duration of the photoelectric...
Veeco Epitaxy System Wins Max Planck Offer PLAINVIEW, N.Y., Sept. 17, 2018 — Veeco Instruments Inc. has announced that its dual chamber GEN10 automated molecular beam epitaxy (MBE) cluster system won the tender offer by the Max Planck Institute of Microstructure Physics (MPI-MSP) to support world-class research on complex...
Enhanced Photosensors Exploit Wavelength-Shifting Properties of Nanoparticles LEMONT, Ill., Sept. 14, 2018 — Scientists at the U.S. Department of Energy’s (DOE) Argonne National Laboratory are using nanotechnology to improve the ability of photodetectors to handle the UV radiation produced in high-energy physics experiments. Physicists explore basic...
Dry-Etched Black Silicon Could Lower Solar Power Costs, Speed Industrial Production HOUGHTON, Mich., Sept. 10, 2018 — One approach to improving solar cell efficiency is to shift to nanostructured silicon (black-Si, or b-Si), which has been shown to decrease reflective losses in multicrystalline silicon (mc-Si) wafers and prevent cell power conversion efficiency...
Optically Generated Tilted Pulses Can Be Directed Spatially and Temporally KONSTANZ, Germany, Sept. 4, 2018 — Physicists at the University of Konstanz have demonstrated the ability to spatially and temporally direct and control ultrashort electron pulses by using the light cycles of lasers. The new technique not only shortens pulse duration, but also allows...
3D-Printed Photodetectors on Curved Surface Could be Basis for 'Bionic Eye' MINNEAPOLIS, Minn., Aug. 30, 2018 — A University of Minnesota research team has 3D-printed an array of light receptors on a hemispherical surface, in a first step toward creating a “bionic eye” that could someday help blind people see or sighted people see better. Using...
Scientists Model Metamaterial for Cloaking Nanosensors TURIN, Italy, and MOSCOW, Aug. 28, 2018 — A new metamaterial could improve the accuracy of nanosensors in optics and biomedicine by cloaking them from external radiation. Researchers from Politecnico di Torino and NUST MISIS modeled and prototyped a metamaterial for making nanoscale objects...
Momentum of Light Drives Elastic Waves KELOWNA, British Columbia, Aug. 21, 2018 — The exact nature of how light interacts with matter is the focus of an international research study including researchers from Brazil and Slovenia and led by professor Kenneth Chau at the University of British Columbia (UBC). The team measured...
Ultrathin Optical Cavities Could Streamline, Enhance On-Chip Color Production WEST LAFAYETTE, Ind., Aug. 20, 2018 — A Purdue University-led research team has simplified the manufacturing process that allows utilizing multiple colors at the same time on an electronic chip. By embedding silver metasurfaces -- artificial materials thinner than light waves -- inside...
UC Riverside’s Professor Receives $750K DOE Grant for Organic-Inorganic Materials RIVERSIDE, Calif., Aug. 10, 2018 — Ming Lee Tang, an assistant professor of chemistry at the University of California, Riverside, has received a $750,000 grant from the U.S. Department of Energy (DOE) to continue her work on developing hybrid organic-inorganic materials that have...
Stealth Mark Licenses Oak Ridge Laboratory's Anti-Counterfeiting Technology OAK RIDGE, Tenn. Aug. 10, 2018 — Product authentication technology provider Stealth Mark has exclusively licensed an invisible microtaggant from the U.S. Department of Energy's Oak Ridge National Laboratory (ORNL) to fight counterfeiting. The anti-counterfeiting technology features...
Glass Doped with Erbium Could Be Used for Optical Circuits LEEDS, England, Aug. 8, 2018 — A material created by doping glass made from zinc, sodium, and tellurium with the rare-earth element erbium could be used for broadband planar waveguide amplifiers. Scientists have started testing planar waveguides for use in signal transmission in...
Coating Technique Uses Solution, Not Heat, to Create OPV Interlayers OSAKA and KANAZAWA, Japan, Aug. 7, 2018 — Researchers have developed a spin coating technique to create zinc-related oxide (ZnOx, ZnOHx) ultrathin films (ceramic films) for use as buffer layers for organic photovoltaic (OPV) cells. Buffer layers, also called OPV interlayers, separate...
Silicon-Based Optical Filter Splits Light Across a Range of Wavelengths CAMBRIDGE, Mass., Aug. 7, 2018 — Researchers have designed a new optical filter on a chip that can process optical signals from across a very wide spectrum of light at once. The broadband, low-loss, transmissive dichroic filter can simultaneously achieve single-cutoff operation,...
Novel Material Demonstrates Quantum Properties ORLANDO, Fla., Aug. 6, 2018 — Researchers have discovered a novel material with multiple quantum properties: Hf2Te2P, a material that is chemically composed of hafnium, tellurium, and phosphorus. The team is using angle-resolved photoemission spectroscopy (ARPES) and...
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