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Results 8911 - 8920 of 15342 for Light
  • Applications of Ultra-Violet LEDs and Safety Considerations
    Article - 22 Feb 2016
    Ultra-violet (UV) light is found between the visible and x-ray spectrums. The wavelength range is specified as 10-400 nm, although several optoelectronic companies consider a wavelength as high as 430...
  • Measuring the Out-of-Band Rejection and Optical Density of a Tunable Laser Filter
    Article - 16 Nov 2015
    Explore the precision of tunable laser filters with -60dB out-of-band rejection and OD measurement challenges in spectroscopy.
  • Neutral Density Filter - Definition and Properties
    Article - 18 Sep 2014
    A neutral density filter is a semi-transparent glass filter used in front of a camera lens to reduce or vary the intensity of incoming light without affecting the color rendition.
  • 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...
  • Integrated Electro-optics on Thin-film Lithium Niobate
    News - 8 Aug 2025
    A paper recently published in the journal Nature Reviews Physics reviewed emerging applications of thin-film lithium niobate (TFLN) electro-optics. Image Credit: SVPanteon/Shutterstock.com An...

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