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Results 13261 - 13270 of 15341 for Light
  • Fizeau Interferometer - Definition and Applications
    Article - 1 May 2014
    Interferometric measurements can be carried out in an optical arrangement in which two or more beams originated from the same source, but passing in different paths are made to interfere....
  • Fluorescence Microscopy May Be Used to Detect Tumours in Cancer Patients
    News - 2 Oct 2007
    Scientists have used near-infrared fluorescence microscopy to image carbon nanotubes inside a living organism for the first time. Bruce Weisman and colleagues at Rice University used the imaging...
  • Astigmatism in Optical Systems
    Article - 1 May 2014
    An optical system that is plagued with astigmatism focuses two orthogonal axes of light at two different distances.
  • Laser Technology used in Fire Extinguisher Training
    News - 20 Sep 2007
    The BullsEye fire extinguisher training system uses laser technology to simulate the discharge of a dry chemical extinguisher for use in OSHA-mandated training. BullsEye senses where a user aims...
  • What is Raman Amplification?
    Article - 11 Jul 2013
    Raman amplification is a phenomenon in non-linear optical mediums where the transfer of power from one optical beam to another happens when it is downshifted in frequency by the energy from an optical...
  • Zygo's LivePhase – Real-Time Optical Alignment System
    Equipment
    LivePhase is a real-time optical alignment system from Zygo. LivePhase acquisition provides Zernike feedback and real-time phase (with optional fringe overlay) for active monitoring of toleranced or...
  • Properties and Applications of Argon Lamps
    Article - 3 May 2014
    Argon lamps are gas discharge lamps that contain argon gas at a low pressure enveloped in a glass capsule. Gas discharge lamps emit light when electric light is passed through the gas. Argon lamps...
  • Submarine pump to make European Debut
    News - 17 Sep 2007
    Unidym, Inc., a majority-owned subsidiary of Arrowhead Research Corporation, announced today that U.S. Patent No. 7,265,174 has been issued by the U.S. Patent and Trademark Office. With respect to...
  • What is a Nernst Lamp?
    Article - 18 Jun 2013
    Nernst lamps are thermal light sources that emit radiation near the infra red region of the electromagnetic spectrum.
  • Face Recognition in a Surveillance Society
    News - 14 Sep 2007
    Researchers from the University of Glasgow, led by Dr Rob Jenkins and Professor Mike Burton, have developed a new technology that drastically improves the success of both human and automated systems...

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