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Covering the cutting edge global research in light based technologies.

Method to EnhanceInhibit Optical Nonlinearities
  • Professor Yingtian Pan, right, and his student Jiang You, left, and lab associate Ki Park, developed a quantitative imaging technique that shows how cocaine disrupts brain blood flow

    What’s New for OCT?

    Optical coherence tomography (OCT), which has been used for non-invasive ophthalmology imaging for some time, is now starting to find greater clinical use in other medical applications such as cardiology. For example, physicians are using OCT to...
  • The flexible sensor could be integrated into low-cost sensing systems for in-line diagnostics and monitoring

    Multispectral Light Sensors Built from Doped Nanorods

    Semiconductor-based photodiodes are widely used in industry to detect light at a range of frequencies from the ultraviolet through the visible to the near infra red. Such photodiodes operate by absorbing photons, which then generate a flow of...
  • Professor Zenghu Chang from the Department of Physics and the College of Optics and Photonics at the University of Central Florida set a world record when he produced an attosecond pulse just 67as in duration

    Lasers Freeze Electron Movement

    Massachusetts Institute of Technology (MIT) professor Harold Edgerton is widely known as a pioneer in the field of ultra-high speed photography. By synchronizing strobe flashes with the motion of objects, then taking a series of photographs through...
  • IMEC researchers have found that illumination stabilizes the morphology of polymerfullerene bulk heterojunction BHJ solar cells that are exposed to elevated temperatures

    Light-Induced Stabilisation of Organic Solar Cells

    Organic solar is a topic of much interest because of their light weight, flexibility and low manufacturing costs. At IMOMEC, Imec’s associated lab at Hasselt University in Belgium, researchers have found that illumination stabilizes the...
  • Fraunhofer researchers have developed a technique to produce mini-OLED screens without colour filters

    OLED Production Technique Slashes Costs, Improves Luminosity

    Screens made of organic light-emitting diodes (OLEDs) are a promising technology. Until now, however, a minimal lifespan and very high production costs have prevented them from becoming a widespread commercial product. Researchers at the Fraunhofer...
  • Gold Nanoparticles Enable Optogenetics Without Genetic Manipulation
  • Method to EnhanceInhibit Optical Nonlinearities

    Method to Enhance/Inhibit Optical Nonlinearities

    Scientists led by the University of Sydney, Australia, have developed a method to selectively enhance or inhibit optical nonlinearities in a chip-scale device. The breakthrough could represent a fundamental advance in photonic chips and optical...
  • The scanning electron microscopies SEM show how regularly the funnels etched in a silicon substrate are arranged left the line segment5 microns right 1 micron The funnels measure about 800 nanometres in diameter above and run down to about a hundred nanom

    Efficient Solar Cell Designs Inspired by Structure in the Eye

    A tiny structure in the eye, called the fovea centralis, may hold clues to more efficient solar cell designs. Scientists at the Helmholtz-Zentrum Berlin (HZB) and the Max Planck Institute for the Science of Light (MPL) in Germany have adapted the...
  • A 315 mm QR code storing an encrypted and compressed image shown placed on an integrated circuit and an image of the QR code placed next to a dime Courtesy of Adam MarkmanBrhram Javidi

    QR Codes Become Cheap Cybersecurity Applications

    QR — or quick response — codes are widely used for marketing, connecting customers to information online via a smartphone scan, for example. Barcodes and QR codes are also used to identify a computer chip. To protect data on a chip,...
  • Villy Sundstrm, professor of chemical physics at Lund University, Sweden
  • A material made of semiconducting polymer placed on top of graphene conducts electric charge extremely well and may enable new electronic devices This work was featured on the cover of the journal Advanced Functional Materials David Barbero
  • DysCrete dye-sensitized solar cell layer on top

    Concrete Delivers Solar Energy

    With DysCrete — “electrifying concrete” — researchers at the the University of Kassel in Germany have developed a building material based on the principles of a dye-sensitized solar cell (DSSC). Essential material components...

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