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Results 2101 - 2110 of 3043 for Photonics
  • B-Integral - Definition and Significance
    Article - 15 May 2014
    B-Integral is defined as the measure of the non-linear phase shift of light in devices like amplifiers. B-Integral is a term that is specific to non-linear optics. The non-linear shift of the laser...
  • Beam Combining - Definition and Applications
    Article - 19 Jun 2014
    Beam combining is done through a number of processes in order to scale up the power and radiance of laser sources. There are a number of techniques that allow the built up of high power laser sources...
  • Population Inversion - Definition and References
    Article - 29 May 2014
    Population inversion is a condition of the laser medium where a system consisting of a group of molecules or atoms exists in a higher excited state with more quantum systems than that of the lower...
  • Optical Pumping - Definition and Applications
    Article - 19 Jun 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...
  • Measuring the Autocorrelation of Spectral Components
    Article - 19 Sep 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....
  • What is Optical Density?
    Article - 6 Aug 2014
    Optical density is a term used in the field of optical spectroscopy for describing the propagation of a wave through a material.
  • Beam Divergence
    Article - 19 Sep 2014
    Beam divergence of an electromagnetic beam is defined as a measure of increase in laser beam diameter or radius with respect to the distance from an antenna aperture or optical aperture through which...
  • 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 Advantages and Applications of the Mach-Zehnder Interferometer
    Article - 1 Aug 2014
    The Mach–Zehnder interferometer is a simple highly configurable device used for demonstrating interference by division of amplitude.
  • Amici Prism - Definition and Applications
    Article - 6 May 2014
    Dispersive prism is a type of optical prism that divides the incident light into different colors of the electromagnetic spectrum.

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