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Results 371 - 380 of 455 for Microscopy
  • What are Wave Optics?
    Article - 8 Sep 2014
    Wave optics, also referred to as physical optics, is the branch of optics that enables important phenomena such as interference, diffraction, and polarization to be understood.
  • What is Magnification Power?
    Article - 24 Oct 2014
    Magnifying power is defined as the ratio between the dimensions of the image and the object. The process of magnification can occur in lenses, telescopes, microscopes and even in slide projectors....
  • Exploring the Molecular Nature of Memory with Imaging Technology
    Article - 9 Sep 2014
    Wei Min, Assistant Professor at Columbia University and his team have investigated the synthesis of protein at a specific site in the tissue of the brain using a new imaging technique in order to...
  • Frequency Tripling / Third Harmonic Generation - Principles and Applications
    Article - 5 Jul 2013
    Third harmonic generation may be described as a process in which the frequency of a light source is tripled when it passes through a non-linear medium.
  • Sum Frequency Generation - Non-Linear Optics for Advanced Spectroscopy
    Article - 8 Oct 2013
    Sum frequency generation (SFG) may be defined as a second order non-linear optical process in which a tunable infrared beam is combined with a visible beam, such that that the frequency of the output...
  • What is High Harmonic Generation?
    Article - 6 May 2014
    High harmonic generation may be described as an optical process of generating high harmonics of frequency from a fixed frequency laser light. For generation of high harmonics a high power laser source...
  • What is a Metal Halide Lamp?
    Article - 8 Oct 2013
    Metal halide lamps or metal halide arc lamps consist of a high performance arc discharge tube housed in an elliptical reflector that focuses the output into a microscopic optical train. The arc tube...
  • What is a Mercury Vapour Lamp?
    Article - 6 May 2014
    A mercury vapour lamp is a high-pressure electric arc discharge lamp that provides intense illumination over a selected range of wavelengths.
  • What is a Globar?
    Article - 21 Jun 2013
    Globar is a thermal light source that emits radiation near the infra red region of the electromagnetic spectrum.
  • What is an Optical Bandpass Filter?
    Article - 24 Jul 2013
    Optical bandpass filters are filters that allow only a certain bandwidth of light and block the others above and below the specified bandwidth.

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