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  • Article - 11 Jul 2013
    Raman amplification is a phenomenon in non-linear optical mediums where the transfer of power from one optical beam to another happens when it is downshifted in frequency by the energy from an optical...
  • Article - 10 Nov 2023
    The high chemical specificity of Raman spectroscopy makes it an ideal choice for performing label-free chemical analysis.
  • Article - 12 Dec 2022
    A special diagnostic tool for determining the physical conditions in the interstellar medium of galaxies is provided by mid-infrared spectra.
  • Article - 26 Oct 2022
    Phase contrast microscopy manipulates phase shifts in light as it passes through transparent specimens. By converting phase shifts to changes in amplitude (brightness), the method enables scientists...
  • Article - 27 Sep 2007
    Refraction describes the change in direction of a wave caused by its passing through gradual changes in its medium, or by passing from one medium to another.
  • Article - 20 Apr 2022
    For the first time, a study has displayed the capability of Far-UVC to rapidly reduce airborne pathogens in a realistically sized room with normal ventilation and a constant source of airborne...
  • Article - 3 Jul 2019
    Sum-Frequency Generation is an optical phenomenon, wherein two photons impinge on a sample surface and generate a third photon at the sum of their frequency.
  • Article - 10 Jul 2018
    This article explains how Fiber Optic cables work.
  • Article - 15 May 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...
  • Article - 30 Oct 2014
    Attenuation is defined as the gradual loss in the intensity of any kind of flux when it passes through a medium.

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