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Results 18381 - 18390 of 18432 for Imaging
  • How Much Light Pollution is Out There?
    News - 4 Oct 2007
    Here's your mission, should you choose to accept it: Look up in the sky after dark and count the stars you see. As part of a worldwide push to gauge how much light pollution is out there, a...
  • Fresnel vs Fraunhoffer Diffraction
    Article - 1 Aug 2014
    Diffraction is the slight bending of light as it travels around the edges of an object/slit or after passing through an opening.
  • Phase-Contrast Microscope - Definition and Applications
    Article - 6 May 2014
    Phase-contrast microscope is a type of light microscopy that intensifies contrasts of transparent and colorless objects by influencing the optical path of light. Phase-contrast microscopy is an...
  • What is a Focal Point?
    Article - 5 Aug 2014
    A focal point is a common point on the principal axis where all the light rays starting from the object converge.
  • The Perfect Paint Job using Ford's New Dirt Detection Technology
    Article - 22 Aug 2013
    Ford have designed this system to generate a 3D model of a vehicle's paint status by gathering 3,000 images in the space of 15 minutes to track tiny dirty particles smaller than a grain of salt.
  • Acousto-Optical Effects - Principles and Applications
    Article - 8 Oct 2013
    Acousto-optics is a phenomenon which deals with the interaction of light (optics) and sound (acoustics). The existence of an interaction between light and sound was discovered by Brillouin in the year...
  • What is Four-Wave Mixing?
    Article - 1 Oct 2014
    Four-wave mixing (FWM) is a non-linear optical process where two other waves are produced by the interaction of two wavelengths. Four-wave mixing can take place in any kind of material.
  • What is an Optical Chopper?
    Article - 10 Jun 2013
    An optical chopper is a device that interrupts a light beam at periodic intervals. By varying the frequency of operation of the chopper it can be used for various applications. The first ever optical...
  • Determining How Much Light Exposure is Healthy
    News - 6 Sep 2007
    Scientists have long known that the human body runs like clockwork, guided by a circadian system that responds to daily patterns of light and darkness. Now a team of researchers is developing a...
  • Photonic Quantum Technology Research Gets Needed Boost
    News - 29 Aug 2007
    Photonic quantum information science could soon move out of the laboratory and be used in future technologies like quantum computers thanks to a grant of over £1 million. The EPSRC five-year...

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