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chemicals News
Transparent Ceramics Enable Large, Durable, Multifunctional Optics
Jun 5, 2014 — Aluminum oxynitride and magnesium aluminate spinel are mechanically strong, hard and scratch resistant; they are also chemically durable. Both exhibit broadband transmittance from near-UV to mid-IR. Single-crystal sapphire has been the material of choice for defense and other applications that require extremely durable optics, but aluminum oxynitride (ALON) and magnesium aluminate (spinel) have emerged for use when those applications need optics in large sizes or with complex
4 Photonics Projects Get Defense Funding
WASHINGTON, June 3, 2014 — The U.S. Department of Defense has awarded funding totaling $28.3 million for four photonics graduate research projects under its Multidisciplinary University Research Initiative (MURI). Brief summaries of the projects follow. For further...
Laser Device Detects Alcohol in Cars
WARSAW, Poland, June 3, 2014 — Forget the Breathalyzer. Police might soon be able to detect the alcohol on your breath before they even pull you over. A new laser device developed at the Polish Military University of Technology’s Institute of Optoelectronics has been shown...
THz Technique Determines Paint Thickness
HARRISBURG, Pa., May 21, 2014 — A new method for harmlessly characterizing coats of paint can help prevent a vehicle’s body from rusting, and may have health and safety applications as well. Applied Research and Photonics Inc. has developed a way to harmlessly penetrate...
Porous Silicon Uses Sunlight to Generate Hydrogen
UNIVERSITY PARK, Pa., May 19, 2014 — A new porous silicon photocatalyst that generates hydrogen from water with help from sunlight could find applications in optical electronics, biosensors and batteries. A mesoporous crystalline silicon, the material touts large surface area and...
Combined Imaging, Treatment Regime Targets Tumors
CINCINNATI, May 15, 2014 — Certain types of brain tumors are difficult to image and detect, making them even more difficult to treat. A team from the Cincinnati Cancer Center and the University of Cincinnati Cancer Institute has discovered a new approach to in vivo imaging of...
Broadening the Scope for Optically Active Compounds
KANAZAWA, Japan, May 14, 2014 — Creating optically active chiral compounds &mdash which are becoming more and more important in chemical manufacturing — just got a bit easier. A team from Kanazawa University has devised a method for producing chiral molecules via...
LEDs, Other Optoelectronic Components Merging for Emerging Applications
May 5, 2014 — Advances in on-chip integration, materials and fabrication methods enable smaller, faster components for next-generation applications. The market for optoelectronic (OE) components – parts that make up other parts and connect between...
Materials Hold Secret to Better LED Performance, Efficiency, Value
May 5, 2014 — There’s little doubt that LEDs save energy, but the high initial cost of LED lamps is preventing mass adoption by lighting consumers. New materials are crucial to driving down the price tag and driving up market acceptance. The price of LEDs...
QDs Up Display Color, Brightness with Less Power
May 5, 2014 — Want a brighter, more colorful display that uses less power? Quantum dots may be the answer. After 25 years of research and development, quantum dots – man-made semiconducting crystals so tiny they are invisible to the naked eye – are...
Femtosecond Lasers Control Chemical Reactions
VIENNA, April 25, 2014 — Hitting molecules with ultrafast lasers can affect electrons and trigger unaccustomed chemical reactions. Researchers at the Photonics Institute of the Vienna University of Technology, succeeded in directly inducing the splitting of hydrocarbons...
Dual-Catalyst Technique Allows Better Control of Molecules
MADISON, Wis., April 24, 2014 — Chemical reactions usually happen on their own terms. But now, researchers from the University of Wisconsin-Madison have discovered a way to create molecules with controlled chirality using sunlight as one of two catalysts.
Electricity Changes Polymer’s Optical Properties
MILAN, WARSAW, Poland and DRESDEN, Germany, April 22, 2014 — A newly developed polymer is said to be the first of its kind to combine optical and electrical properties. This could mean new manufacturing possibilities for glass, polarization filters and sensors capable of detecting single molecules of a given...
Mid-IR Lens Incorporates Waste Sulfur
TUCSON, Ariz., April 21, 2014 — Thin, inexpensive plastic lenses for IR imaging devices can be manufactured from waste sulfur generated by refining fossil fuels.
Flir, ING to Create Aerial IR Inspection Methods
OTTAWA, Ontario, Canada April 18, 2014 — Flir Systems Canada is partnering with ING Robotic Aviation to develop robotic aircraft and new techniques for infrared inspections.
Lasers Produce Bio-Inspired Surface Functions
Apr 17, 2014 — Lasers can interact with matter in a variety of ways. Depending on the wavelength, the energy of the laser beam and a whole set of other parameters, such as pulse duration or repetition rate, laser photons have countless ways of mingling with the...
Technique Allows Whole-Brain Imaging with Single-Cell Resolution
SAITAMA, Japan, April 17, 2014 — Understanding the relationship between cellular phenomena and activity at the organism level has been difficult, particularly where the brain is concerned. Whole-brain imaging at single-cell resolution could help.
Market Growing for Laser-Based Machine Vision Technologies
Apr 7, 2014 — A panel of industry experts weighs in on recent and future advances in laser technologies for machine vision, and offers a look at the market. Laser-based machine vision can be a valuable tool for manufacturers looking to improve various areas of...
Tiny Crystals Could Oust Traditional Solar Absorbers
NANTES, France, April 4, 2014 — Traditional absorbers in thin film-based solar cells may have some competition in a new technique that incorporates nontoxic and relatively common elements. The new approach, developed by a team from the University of Nantes, uses sulfide materials...
Nanocrystals Bridge Visible, Invisible Spectra
UTRECHT, Netherlands, April 4, 2014 — Nanocrystals containing cerium and terbium have been shown to efficiently convert UV and IR to visible light, presenting a possible solution to the bandgap problems in solar panels, among other applications.
Facing the Unexpected
Apr 3, 2014 — In following the news reporting of the protracted search for Malaysia Airlines Flight 370, I heard questions raised about the lack of cameras on both the inside and the outside of passenger planes that could possibly provide clues in the event...
Nanoballoons and Lasers: A New Cancer Fighter
BUFFALO, N.Y., April 3, 2014 — Chemotherapeutic drugs have long held their own in the fight against cancer, but inefficiency in delivery and unwanted side effects continue to hinder the process.
IR Method Detects Chemicals Remotely
PROVO, Utah, March 26, 2014 — Infrared technology could help the military to remotely and safely identify sites where nuclear weapons are being made. Researchers at Brigham Young University have developed a model that distinguishes the material in every pixel of an image taken...
Microtechnology Emerging as Next Big Thing
BELLINGHAM, Wash., March 26, 2014 — Growing demand for high-tech research and development in micro-optoelectromechanical systems (MOEMS) has led to breakthrough achievements for applications including space exploration, wireless systems and health care.
Switching an Antibiotic On and Off with Light
KARLSRUHE, Germany, and KIEV, Ukraine, March 25, 2014 — Soon antibiotics may be switched on and off as readily as a lightbulb, treating localized infections and even cancer in the process. A team from the Karlsruhe Institute of Technology and the University of Kiev incorporated a photoswitchable molecule...
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June 2024
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