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OSI Optoelectronics - Custom Solutions LB 5/23
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Research & Technology News

Tofu Chemical Could Prompt New Wave of Solar Cells
LIVERPOOL, England, June 27, 2014 — Solar cells could learn a thing or two from tofu and bath salts. Researchers from the Stephenson Institute for Renewable Energy at the University of Liverpool have found that magnesium chloride (MgCl2) — found in tofu, bath salts and de-icing solutions — may produce more efficient and cost-effective solar cells. The researchers said the compound could replace cadmium chloride (CdCl2), a toxic ingredient frequently used in solar cell technology. CdCl2 is expensive to
Femtosecond Lasers Used to Administer Drugs
OKINAWA, Japan, and DUNEDIN, New Zealand, June 26, 2014 — A system using femtosecond lasers in conjunction with nanotechnology enables targeted and controlled drug distribution, presenting treatment possibilities for Parkinson’s disease and other ailments. Existing drug delivery procedures cannot...
Nano-engineered Quantum Dots Push Solar Cell Efficiency
LOS ALAMOS, N.M., June 26, 2014 — A new approach to building quantum dots has shown considerable gains in generating photocurrent. This could potentially create a new generation of solar cells. In a new study, a team from the Center for Advanced Solar Photophysics (CASP) at Los...
Spectroscopy Combo Ups Diagnostic Accuracy
SOFIA, Bulgaria, June 26, 2014 — A new spectroscopy technique can identify melanoma with as much as 93 percent accuracy. Discovered by a team from the Institute of Electronics at the Bulgarian Academy of Sciences and University Hospital, the new method uses light-induced...
Photocatalytic Approach Produces New Drug Candidates
PRINCETON, N.J., June 25, 2014 — Light and nickel share a unique bond as chemical catalysts for potential new drugs. Princeton University chemists studying photoredox catalysis and nickel catalysis have discovered that bringing the two processes together enables reactions that...
Polariton Waveguide Could Help Photonic Circuits
TOYOHASHI, Japan, 25 June 2014 — A low-loss thin-film waveguide for surface plasmon polaritons (SPPs) could aid the development of nanoscale photonic integrated circuits on silicon. Recent research has focused on using SPPs as signal carriers in nanoscale integrated circuits to...
Funding Extended for Bio-inspired Solar Energy Research
ST. LOUIS, June 24, 2014 — The Photosynthetic Antenna Research Center (PARC) at Washington University has won a four-year, $14.4 million grant from the U.S. Department of Energy to continue research on natural and bio-inspired systems for harvesting the sun’s energy....
Red Phosphor Heightens White LEDs
MUNICH and AACHEN, Germany, June 24, 2014 — A new material could help LEDs produce more pleasing white light. A team from Ludwig Maximilian University of Munich (LMU), in collaboration with Philips Technologie in Amsterdam, has developed a new red phosphor material based on the nitride...
Pyramid Structure Makes Better PHOLEDs
ANN ARBOR, Mich., June 23, 2014 — Phosphorescent organic light-emitting diodes (PHOLED) are an efficient alternative to traditional incandescent lighting. However, PHOLEDs’ efficiency is typically short-lived when they’re needed to shine brightly. Researchers at the...
Two-Mode Imaging System More Efficient for Tumor ID
TUCSON, Ariz., and ST. LOUIS, June 23, 2014 — Removing cancerous tumors can be a delicate process, requiring surgeons to pinpoint their exact location. A new technology has demonstrated that ability in a more effective way than with conventional methods. A dual-mode imager developed by a team...
Brain-Mapping Device Aids PTSD Study
ARLINGTON, Texas, June 20, 2014 — Post-traumatic stress disorder can greatly hinder sufferers’ memory and learning abilities. Further study of the disorder and its impacts using near-infrared spectroscopy could bring new and potentially more effective treatments. A portable...
Career Award Funds CO2 Photocatalysis Study
HOUSTON, Texas, June 20, 2014 — Rice University professor Isabell Thomann has received a $400,000 Career Award from the National Science Foundation to study photocatalytic reactions that could reduce carbon dioxide emitted by power plants. Her five-year research project involves...
Light-Manipulating Nanobarrel Traps Molecules
CAMBRIDGE, England, June 20, 2014 — Lower cost, more reliable diagnostic testing could be a light at the end of the nanophotonic tunnel … or barrel, in this case. A team from the University of Cambridge, in collaboration with the school’s Melville Laboratory for Polymer...
More Efficient Solar Cells with a One-Step Process
HOUSTON, June 20, 2014 — A new one-step process for producing efficient materials could mean big things for solar cells. Developed by a team at Rice University, the new process produces black silicon. This material reflects almost no light. Its textured surface of nanoscale...
Imax, Necsel Enter Laser Tech Partnership
NEW YORK, June 19, 2014 — In a recently signed agreement, Necsel will become the exclusive worldwide provider of specified lasers for Imax Corp.’s new projection systems. Imax’s laser projection technology allows an array of digital content to be exhibited. The...
Nanofiber Fabrication Boosts Quantum Computing
COLLEGE PARK, Md., June 19, 2014 — A new approach to fabricating optical nanofibers could enable the next generation of quantum computing. These ultra-high-transmission fibers, developed by researchers at the University of Maryland’s Joint Quantum Institute, could act as...
New Spectroscopy Technique Probes Photochemical Reactions
BERKELEY, Calif., June 18, 2014 — Photochemical reactions have become key players in high technology, namely in the development of nanomaterials and solar energy systems. Better understanding of these light-triggered processes could lead to more efficient use. A team from Lawrence...
Sub-RF Imaging Advanced by Lasers
GAITHERSBURG, Md., and ANN ARBOR, Mich., June 18, 2014 — Laser-enhanced radio frequency mapping could lead to better assessment of the properties of metasurfaces. Traditional field mapping requires the use of millimeter-scale antennas and dipoles, similar in size to the radio frequencies they measure....
Fine-Tuning Additive Manufacturing for High-Density Parts
LIVERMORE, Calif., June 17, 2014 — A new approach to selective laser melting (SLM) could alleviate long-standing challenges in additive manufacturing of high-density metal parts. Researchers at Lawrence Livermore National Laboratory and its Accelerated Certification of Additively...
More Is Less: Increased Voltage Switches Off Microlasers
VIENNA, June 18, 2014 — Lasers that switch off when their pump power is increased could one day make viable optical switches and logic circuits. Researchers at the Vienna University of Technology, led by professor Stefan Rotter, have demonstrated the phenomenon using a...
Evolutionary Modeling Optimizes Optical Cavities
LAUSANNE, Switzerland, ROCHESTER, N.Y., and PAVIA, Italy, June 17, 2014 — A new design approach based on an evolutionary algorithm has shown the way to photonic crystal nanocavities (PCNs) that trap light for several nanoseconds — longer than other similarly sized cavities. Using the evolutionary technique, an...
Lidar Provides Better Study of Active Fault Zone
BEIJING and PASADENA, Calif., June 16, 2014 — An active seismic fault in China has been the scene of several deadly earthquakes — some of the worst in history. Digital 3-D modeling of the fault zone could help save lives, researchers say. A team from the State Key Laboratory of Earthquake...
Swelling Sensor Detects Toxic Gas
CAMBRIDGE, Mass., June 17, 2014 — Those who work with hazardous substances could find an extra measure of protection in an optical sensor that puffs up in the presence of even trace amounts of toxic gases. Made from a 400-nm-thick film of polymethyl methacrylate (PMMA), the sensors...
Antenna-free THz Detector Uses Nanotube Thin Films
ALBUQUERQUE, N.M., HOUSTON and TOKYO, June 13, 2014 — Significant improvements in medical imaging, airport screening and food inspection could be on the horizon. A team from Sandia National Labs, in collaboration with Rice University and the Tokyo Institute of Technology, has begun developing carbon...
Laser Light, DISA Unite for Satellite Technology
RESTON, Va., June 13, 2014 — Laser Light Communications has entered a cooperative agreement with the U.S. Department of Defense’s Defense Information Systems Agency (DISA), moving forward with efforts to research and develop an all-optical, laser-based medium earth orbit...

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