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Results 8881 - 8890 of 15261 for Light
  • Wollaston Prism - Definition and Applications
    Article - 30 Apr 2014
    Wollaston prism is an optical device which separates randomly polarized and unpolarized light into linearly polarized light beams. The prism was first invented by William Hyde Wollaston.
  • Optical 3D Metrology in Industrial Opthalmic Applications
    Article - 27 Jan 2014
    With hundreds of millions of people choosing contacts for either visual or aesthetic reasons, and millions more having surgery to solve vision problems associated with aging, there is a growing need...
  • Cassegrain Telescope - Definition and Applications
    Article - 1 May 2014
    The Cassegrain telescope is an astronomical reflecting telescope in which the light is incident on a large concave paraboloid mirror and reflected onto a smaller convex hyperboloid mirror.
  • NASA Researchers Probe Curious Behavior of Moondust
    News - 24 Jul 2007
    Each morning, Mian Abbas enters his laboratory and sits down to examine--a single mote of dust. Zen-like, he studies the same speck suspended inside a basketball-sized vacuum chamber for as long as 10...
  • Something New About Solitons
    News - 15 Jul 2007
    Scientists have discovered something new about exotic particles called solitons. Since the 1980s, scientists have known that solitons can carry an electrical charge when traveling through certain...
  • New Sodium Laser for Astronomers
    News - 13 Jul 2007
    A new sodium laser is giving 50 times more sky coverage to the atmospheric-correcting technology known as adaptive optics on the Keck II telescope at Mauna Kea, Hawaii. The laser lets scientists...
  • 3D Reconstruction System Overcomes Challenges of Imaging Through Transparent Surfaces
    News - 8 May 2025
    In industrial inspection environments, 3D vision systems often must be enclosed in a transparent protective cover to avoid damage. Due to the deflection of light rays on the transparent medium, 3D...
  • Fluorescent Cellulose Pulp: A Scalable Solution for Thermal Management
    News - 14 Apr 2025
    A study published in Advanced Optical Materials presents a scalable approach for enhancing both the visual and thermal properties of cellulose pulp using fluorescent materials. Using plant-based...
  • Integrating Photonic Neural Networks with DAS Systems
    News - 19 Mar 2025
    Researchers at Nanjing University, led by Ningmu Zou, have developed a new approach to address the major challenges associated with distributed acoustic sensing (DAS). To process data from DAS...
  • Stable and High-Density SEL Array for Diverse Applications
    News - 13 Mar 2025
    A Southern University of Science and Technology collaborative team developed a CQD-based SEL array with a low threshold, high stability (continuous operation for 1000 hours), and high integration...

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