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  • 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.
  • Using Ultrathin Nanostructured Coatings in Conventional Optics
    Article - 2 Dec 2021
    Transparent materials influence the phase evolution of transmitted radiation, however, chromatic dispersion is an issue. Ossiander, M et al.'s article published in Nature Communications experimentally...
  • Filters for Fluorescence In Situ Hybridization (FISH) Imaging
    Article - 24 Feb 2020
    This page discusses the best filters to use for FISH imaging.
  • Gas Analysis Using Laser Sensors
    Article - 19 Mar 2019
    This article discusses using laser sensors for gas analysis applications.
  • Radiance - Deinition and Introduction
    Article - 19 Jun 2014
    Radiance of a source is the power that is radiated from a surface within a solid angle and passing through a cross-sectional area. Radiance may be described as the power traversing at a point in a...
  • Luminous Flux - Definition and Introduction
    Article - 20 Jun 2014
    Flux or luminous flux is a measure of total amount of energy radiated per second from a light source in all directions.
  • Factors to Consider When Selecting a Stereo Microscope
    Article - 24 May 2012
    Choosing a stereo microscope? Assess application, user needs, magnification, optics, ergonomics, and lighting.
  • Binoculars - How Binoculars Work?
    Article - 7 Mar 2008
    Binoculars can be considered as having two telescopes which are exactly the same placed next to each other and accurately pointing at the same direction. Binoculars allow the user to use both eyes...
  • Dioptre - The Definition of Dioptre
    Article - 17 Nov 2007
    Dioptre is a measurement unit that describes the optical power of a lens or a curved mirror. Dioptre can be expressed as the reciprocal value of its focal length in meters.
  • A Basic Introduction to What Light Is
    Article - 29 Aug 2007
    Light is a form of radiant energy or energy that travels in waves .When moving from place to place, light acts like a system of waves.

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