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  • ant Critical Angle - Definition and Applications
    Article - 6 May 2014
    Critical angle in optics refers to the angle of incidence beyond which total internal reflection of light occurs.
  • Optical Condenser - Definition and Applications
    Article - 1 May 2014
    A condenser is essentially an optical lens that is used to convert a divergent beam from apoint source into a parallel or converging beam.
  • What is Electro-Optical Rectification?
    Article - 8 Oct 2013
    Optical rectification or electro-optic rectification may be described as a non-linear optical process that generates a quasi-DC polarization in a non-linear medium by passing an intense beam of light.
  • 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 an Optical Fiber Isolator?
    Article - 22 Oct 2014
    Optical isolators are optical elements which allow light to propagate in only one direction. The propagation of light in one single direction is required in order to prevent optical back scattering or...
  • Refraction and the Refractive Index
    Article - 30 Aug 2007
    When light passes from one medium to another of different density, its path of travel is bent. This phenomenon is known as refraction.
  • Advances in Photonic Devices for Optical Computing
    Article - 20 Jun 2024
    Photonic devices enhance computing through faster processing speeds, increased bandwidth, and reduced energy consumption, facilitating the development of advanced optical computing systems.
  • Considerations for Choosing Between Arc or Halogen Lamps
    Article - 30 Jul 2007
    This article details the differences between an Arc Lamp and a halogen lamp.
  • What is the Ritchey Chrétien Telescope?
    Article - 4 Sep 2025
    With hyperbolic mirrors and advanced optical design, the Ritchey Chrétien telescope is essential for high-resolution astronomical imaging and spectroscopy.
  • Can Lasers Be Used to Detect Food Contaminants?
    Article - 4 Jun 2025
    Laser-based technologies like LIBS, Raman, and NIR spectroscopy are transforming food safety by enabling rapid, non-destructive detection of contaminants, from heavy metals to pathogens.

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