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  • Cladding Modes - Definition and Applications
    Article - 15 May 2014
    Cladding modes are the regions or modes in optical fibers that are not restricted to the region around the core of the fiber. More specifically, cladding modes are regions in which the intensity of...
  • 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...
  • 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.
  • Refractometer - Definition and Applications
    Article - 6 May 2014
    A refractometer is an optical device used for measuring the extent to which light is bent or refracted when it moves through a substance.
  • 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.
  • The Diffraction Limits in Optical Microscopy
    Article - 4 Aug 2014
    The optical microscope, also called the light microscope, is the oldest type of microscope which uses visible light and lenses in order to magnify images of very small samples. It is a standard tool...
  • What is Electro-Optical Rectification?
    Article - 8 Oct 2013
    Optical rectification or electro-optic rectification may be described as a non-linear optical process that generates a quasi-DC polarization in a non-linear medium by passing an intense beam of light.
  • What is a Mercury Vapour Lamp?
    Article - 6 May 2014
    A mercury vapour lamp is a high-pressure electric arc discharge lamp that provides intense illumination over a selected range of wavelengths.
  • What is an Optical Fiber Isolator?
    Article - 22 Oct 2014
    Optical isolators are optical elements which allow light to propagate in only one direction. The propagation of light in one single direction is required in order to prevent optical back scattering or...
  • What is a Periscope?
    Article - 11 Sep 2014
    A periscope can be defined as an optical instrument that allows the viewing of objects that are not in the direct life of vision. Periscopes prove to be of great help to submariners to have a view of...

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