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  • What is Brewster's Angle?
    Article - 1 Aug 2014
    Brewster’s angle or polarizing angle is defined as an angle at which an incident beam of unpolarized light is reflected after complete polarization.
  • What is a Wavenumber?
    Article - 16 Sep 2014
    Wavenumber is defined as the number of complete wave cycles per unit length of a linear space. It can also be referred to as the spatial frequency of the waves represented in radians per unit distance...
  • The Applications of Refraction
    Article - 19 Sep 2014
    Refraction is a phenomenon that happens when waves passing from one transparent medium to another bend at the boundary between the two mediums.
  • 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.
  • Thermal Imaging Technology - Development and Application of ULIS's Thermal Sensor Array
    Article - 31 Oct 2013
    ULIS, specialists in the design and development of high-precision infrared imaging cameras have been a part of a two-phase project involving the launch of the Micro80PTM thermal sensor array.
  • 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...
  • Determining Refractive Index Using PR21 Process Refractometer
    Article - 29 Apr 2010
    The process refractometer PR21 of A.KRÜSS Optronics, Hamburg, is a universal measuring instrument for determining the refractive index and therefore the concentration of a substance in liquid in a...
  • Synthetic Aperture Radar - What is Synthetic Aperture Radar and How Does it Work?
    Article - 18 Apr 2008
    Synthetic aperture radar or commonly abbreviated to as SAR provides high resolution imagery by taking the advantages of the intricate information processing capacity of today's digital electronics and...
  • Glare - What is Glare and How Does it Occur?
    Article - 19 Nov 2007
    When there is an excessive contrast between the dark areas and bright areas in the direction of viewing, then glare can result. Simply, when there is too much light hitting the surface, this...
  • Energy-Efficient Lighting for Refrigerator Cabinets
    Article - 2 Aug 2007
    Owners of supermarkets want their food products to be well lit and attractive to customers, but refrigerators are an impractical place to install lighting systems.

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