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Results 5691 - 5700 of 15400 for Lighting
  • What is a Lumen?
    Article - 22 Sep 2014
    A lumen is as a unit of measurement indicating the level of brightness emitted from lighting products such as bulbs and tubes, and natural light.
  • The Construction and Applications of Sodium Vapour Lamps
    Article - 24 Jul 2013
    Sodium vapor lamps are some of the most efficient lamps in the world. They have an efficiency of up to 190 lumens per watt compared to an incandescent street lamp which has between 15 and 19 lumens...
  • Testing Limits of Plasmonic Technology
    News - 16 Jul 2007
    In an experiment modeled on the classic “Young’s double slit experiment” and published in the journal Nature Nanotechnology, researchers have powerfully reinforced the understanding...
  • How Does a Mirror Work?
    Article - 11 Mar 2025
    Mirrors and light interaction: Discover how plane, concave, and convex mirrors use specular reflection to create virtual images, focus light, and shape geometric optics.
  • New Source of Coherent Optical Radiation Discovered
    News - 5 Jul 2007
    With the exception of lasers and free-electron lasers, there hasn't been another fundamental way to produce coherent light for close to 50 years. However, a group of researchers from Lawrence...
  • Single-Material CLS Sets New Power Record for Thulium Laser
    News - 9 Dec 2025
    Thulium fiber lasers, useful in medicine and industry, are frequently power-limited due to heat buildup, but a new approach offers a solution. Study: Index-adapting cladding light stripper for...
  • Laser Technology Advancements in Micro-LEDs
    News - 21 Nov 2025
    In a recent review article published in the journal Optics & Laser Technology, researchers provided a comprehensive overview of how laser technologies are revolutionizing the fabrication and...
  • Advanced Method for High-Performance Optical Modulation
    News - 28 May 2025
    Changchun Institute of Optics, Fine Mechanics and Physics researchers created binary phase-engraved (BiPE) superpixel CFM to overcome the efficiency limits of superpixel CFM applied using DMDs while...
  • Novel Glasses Receive Images from Beaming Projectors for Enhanced Wearability
    News - 6 Mar 2025
    An international team of scientists from the University of Tokyo developed augmented reality glasses capable of receiving images from a projector. This technology addresses some of the current...
  • Hair-Sized Fiber Unlocks New Possibilities for Super-Resolution and 3D Microscopy
    News - 4 Dec 2024
    An international team, including researchers from the University of Adelaide, has developed a method enabling advanced microscopy using an optical fiber thinner than a human hair. The method,...

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