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  • Optical Cavity - Definition, Properties and Applications
    Article - 1 May 2014
    An optical cavity or an optical resonator may be described as an arrangement of mirrors that produce a standing light wave resonator.
  • Birefringence - Definition and Applications
    Article - 1 May 2014
    Optical birefringence is an inherent property of a material that causes double refraction of a ray of light resulting in polarization of the light wave.
  • How Will Optical Imaging Change in The Future?
    Article - 5 Nov 2014
    Optical imaging is a technology which explains the characteristics of infrared, ultraviolet and visible light. ​It is a non-invasive technique which uses non-ionizing radiation 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.
  • What is Brillouin Scattering?
    Article - 11 Jul 2013
    Brillouin scattering may be described as a phenomenon of inelastic scattering of light in a physical medium brought about by thermally excited acoustical phonons. Brillouin scattering is usually...
  • 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 Fiber Optic Coupler?
    Article - 18 Jun 2013
    A fiber optic coupler may be described as an optical element that is used in fiber optic systems that have one or more input fibers and several output fibers. A coupler basically brings together two...
  • What is a Diffraction Grating?
    Article - 18 Jun 2013
    Diffraction grating comes into the picture when there is a need for separate light of different wavelengths with high resolution. A diffraction grating is a multiple slit arrangement made by etching...
  • What is a Photodiode?
    Article - 5 Jun 2013
    A photodiode can be described as a photo detector that is capable of converting incident light into voltage or current.
  • What is Super-Resolution Microscopy?
    Article - 6 May 2014
    Resolution limits owing to light diffraction have always been a major problem in analysing microscopic images.

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