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  • What is Radiant Exposure?
    Article - 14 Mar 2014
    Radiant exposure is a term used to describe characteristics of lasers. Radiant exposure is the measure of energy over a particular area.
  • 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 Fiber - Definition and Applications
    Article - 13 Mar 2014
    An optical fiber is a flexible and transparent material made out of glass and extruded in the form of fibers.
  • Laser Mode Locking - Theory and Applications
    Article - 13 Mar 2014
    Mode locking is a technique used to obtain ultra short pulses from lasers. Lasers that are mode locked are capable of producing pulses having pulse widths in the order of sub-pico seconds or even...
  • 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...
  • Beam Profiler - Definition and Applications
    Article - 12 Mar 2014
    Measurement of the optical beam profile is of critical importance in a number of laser applications.
  • Measuring the Autocorrelation of Spectral Components
    Article - 11 Mar 2014
    Autocorrelator is a tool used for measuring the autocorrelation of spectral components and optical beam intensity by investigating the variable difference is an optical path of the beam....
  • 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 an M Squared Value?
    Article - 3 Mar 2014
    M2value is a parameter used to determine the beam quality of the laser beam. M2may be derived by dividing the beam parameter product (BPP) of an actual optic beam by the BPP of an ideal Gaussian beam...

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