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  • Holograms and How Holograms Are Made
    Article - 27 Jan 2008
    Holograms are no longer a mysterious part of science fiction. They are now an integral part of numerous consumer goods including credit cards, drivers licences, software CDs and even the cash currency...
  • Thirty Years of Experience in Supplying Custom LEDs
    Article - 25 Nov 2015
    AZoOptics speaks to Marktech Optoelectronics' CEO, Mark Campito, President, Bill Moore, and CTO, Vincent Forte about their extensive product range.
  • 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...
  • What is Raman Amplification?
    Article - 21 Jun 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...
  • Raman Spectroscopy for Label-Free Chemical Analysis
    Article - 10 Nov 2023
    The high chemical specificity of Raman spectroscopy makes it an ideal choice for performing label-free chemical analysis.
  • The Future of Mid-Infrared Studies of Distant Galaxies
    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.
  • What is Phase Contrast Microscopy?
    Article - 25 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...
  • What is Refraction?
    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.
  • Efficacy of Far-UVC in Inactivating an Airborne Pathogen
    Article - 12 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...
  • Interfacial Analysis with Broadband Sum-Frequency Spectroscopy (BB-SFG)
    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.

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