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  • Optical Dispersion - Principle and Applications
    Article - 10 Apr 2014
    Dispersion is the process of describing the characteristics of light waves and their interaction with a medium so that the group and phase velocities of the light propagating the medium depend on the...
  • Pockels Cell - Definitions and Applications
    Article - 13 Mar 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...
  • Bragg Grating - Introduction and Applications
    Article - 13 Mar 2014
    Fiber Bragg Grating (FBG) is a type of Bragg reflector (distributed type) that is constructed as a short segment of optical fiber to reflect light of certain wavelength and transmit the rest.
  • Optical Pumping - Definition and Applications
    Article - 12 Mar 2014
    Optical pumping is a process in which light energy is used to excite electrons from a lower to higher energy level. It was first developed by Alfred Kastler in the early 1950s. It is primarily used to...
  • Neutral Density Filter - Definition and Properties
    Article - 3 Mar 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.
  • What is Brewster's Angle?
    Article - 28 Feb 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 - 7 Feb 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...
  • Enhancing the Lateral Resolution of White Light Optical Profilers Using AcuityXR Technology
    Article - 27 Jan 2014
    White light interferometry is one of the most rapid, precise and versatile surface measurement techniques available to researchers and manufacturers.
  • The Applications of Refraction
    Article - 20 Jan 2014
    Refraction is a phenomenon that happens when waves passing from one transparent medium to another bend at the boundary between the two mediums.
  • Fizeau Interferometer - Definition and Applications
    Article - 3 Jan 2014
    Interferometric measurements can be carried out in an optical arrangement in which two or more beams originated from the same source, but passing in different paths are made to interfere....

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