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Results 431 - 440 of 2180 for Light Measurement
  • Laser Technique Help Doctors Screen for Asthma and Cancer
    News - 18 Feb 2008
    A team of scientists at JILA, a joint institute of the National Institute of Standards and Technology (NIST) and the University of Colorado (CU) at Boulder, has shown that by sampling a person’s...
  • First Steps in the Cosmic Distance Ladder
    News - 11 Feb 2008
    Taking advantage of the presence of light echoes, a team of astronomers have used an ESO telescope to measure, at the 1% precision level, the distance of a Cepheid - a class of variable stars that...
  • Thin-Film Interference Filters for LIDAR
    Article - 12 Apr 2017
    LIDAR's precision leaps with advanced thin-film interference filters, boosting signal clarity for diverse remote sensing tasks.
  • New Tunable-Diode Laser Gas Analyzer Technology to Prevent Catastrophic Ice Formation
    News - 1 Nov 2007
    The presence of even trace amounts of H2O moisture or CO2 can threaten the integrity of processing equipment during compression and liquefaction of the natural gas due to ice formation. Carbon dioxide...
  • Photometer - Definition and References
    Article - 29 May 2014
    Photometer is an instrument for measuring the light intensity or optical properties of optical sources or detectors. It operates more like a transducer which converts electric current into mechanical...
  • Light Source to Monitor Experimental Fusion Reactor
    News - 12 Oct 2007
    Using a device that can turn a tiny piece of laboratory space into an ion cloud as hot as those found in a nuclear fusion reactor, physicists at the National Institute of Standards and Technology...
  • Gamma Scientific FlexOptometer Radiometer/Photometer
    Equipment
    The Gamma Scientific flexOptometer is a high-performance radiometer/photometer designed to operate as either a stand-alone instrument or a computer-controlled, full-function photometric, radiometric...
  • Polarization Optics in Telecommunications
    Book
    The strong investments into optical telecommunications in the late 1990s resulted in a wealth of new research, techniques, component designs, and understanding of polarization effects in fiber....
  • Fundamental Concepts and Applications of OAM in Optical Metrology
    News - 7 Jan 2025
    In a recent study published in Light: Science & Applications, a team of scientists led by Prof. Lixin Guo from Xidian University expressed their insights on the history and future of optical...
  • Calibration-Free TDLAS for Precise Hydrogen Gas Sensing
    News - 6 Nov 2024
    Researchers from Chiba University have developed a novel calibration-free approach that substantially improves the accuracy and detection limits of hydrogen sensing via tunable diode laser absorption...

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