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  • Pockels Cell - Definitions and Applications
    Article - 3 May 2014
    Pockels cell is an electro-optical device used for switching the direction of polarization of light beams. It is the primary component of various optical devices such as electro-optical modulators and...
  • Photodiodes - Their Working Principles and Applications
    Article - 29 May 2014
    A photodiode is a kind of light detector which involves conversion of light into voltage or current based on the mode of operation of the device. It consists of built-in lenses, optical filters, and...
  • Waveguide - Definition and Applications
    Article - 30 Apr 2014
    Waveguide is an optical structure which directs the electromagnetic waves of an optical spectrum. Some of the common types of waveguides include rectangular waveguides and optical fibers.
  • Ulbricht Sphere - Definition and Applications
    Article - 12 May 2014
    Ulbricht sphere, also known as an integrating sphere, is an optical device used for measuring the reflectivity/transmittivity of optical components and optical flux from an LED or bulb and a laser...
  • Speckle Pattern - Introduction and Applications
    Article - 15 May 2014
    Speckle pattern is a random granular pattern produced by the reflection of coherent light beam e.g. laser, at a rough surface such as a metallic surface, a display screen, white paint or a piece of...
  • Gain Medium - Definition and Use in Laser Construction
    Article - 12 Feb 2014
    Gain medium is a quantum system that amplifies laser beams by means of stimulated emission.
  • An Introduction to Optical Harmonics
    Article - 5 Aug 2014
    Non-linear crystals are the materials in which dielectric polarization exhibits a non-linear response with respect to the electric field of the light.
  • Ytterbium Oxide Lasers - Properties and Applications
    Article - 21 May 2013
    Ytterbium oxide is a highly insoluble and thermally stable ytterbium source that is suitable for ceramic, optic and glass applications. Ytterbium-doped glasses and laser crystals have a simple...
  • Stilbene Dye Lasers - Properties and Applications
    Article - 25 Apr 2014
    Stilbene is a relatively colorless, unreactive compound that is highly insoluble in water. Stilbene derivatives are thermally and chemically stable, and have absorption and fluorescence properties...
  • Carbon Dioxide Lasers - Properties and Applications
    Article - 20 Jun 2013
    The carbon dioxide (CO2) laser consists of a gas mixture that includes nitrogen, helium, carbon dioxide, xenon or water vapor and hydrogen in some cases. It is one of the earliest gas lasers to be...

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