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  • The Basics of White Light Interferometry
    Article - 22 Mar 2017
    White-light interferometers from Polytec utilize short-coherence-length light sources and special optical configurations to optimize the interaction between the reflected light from the sample and the...
  • Stable Light Sources for Test and Measurement Applications
    Article - 1 Oct 2015
    Admesy's Steropes series offers stable light sources for accurate color measurements in testing and measurement applications, including LED and halogen options.
  • Maxwell's Electromagnetic Theory of Light Propagation
    Article - 16 Sep 2014
    Maxwell’s most significant scientific achievement was his electromagnetic theory of light propagation which he first presented in 1864.
  • Fresnel's Wave Theory of Light
    Article - 31 Jul 2014
    During the late 17th century, scientists were embroiled in a debate about the fundamental nature of light – whether it was a particle or wave. Sir Isaac Newton was a strong advocate of the theory that...
  • An Introduction to Light Amplification
    Article - 4 Aug 2014
    Light amplification is a process of intensifying the amplitude of an electromagnetic light wave. This process is generally classified into three major categories: laser, parametric and scattering.
  • What is Ultraviolet Light (UV)?
    Article - 5 Sep 2014
    Ultraviolet (UV) light is a portion of the electromagnetic spectrum between the visible rays and X-rays. It lies in the frequency range of 10 to 400 nm with photon energies from 3 to 124 eV.
  • Enhancing the Lateral Resolution of White Light Optical Profilers Using AcuityXR Technology
    Article - 27 Jan 2014
    White light interferometry is one of the most rapid, precise and versatile surface measurement techniques available to researchers and manufacturers.
  • Light Sheet Microscopy - Applications and Benefits
    Article - 6 May 2014
    Light sheet fluorescence microscopy (LSFM), also known as selective plane illumination microscopy (SPIM), is a non-destructive, versatile imaging tool that operates as a microscope and microtome using...
  • Xenon Arc Lamps - White Light for Photometry and Microscopy
    Article - 24 Jul 2013
    A xenon arc lamp is a specialized gas discharge lamp that emits light when electricity is passed through ionized xenon gas that is maintained at high pressure. Xenon gas is ionized by electric...
  • What is a Light Emitting Capacitor (LEC)?
    Article - 5 Jul 2013
    Light emitting capacitor (LEC) is an electroluminescent device in which the active layer is a polymer which is capable of ionic conduction.

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