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  • Celebrating 20 Years of Innovation in Spectroscopy
    Article - 8 Apr 2014
    In this interview, Benno Oderkerk, CEO of Avantes, talks to AZoOptics about the last 20 years of innovation at Avantes and their plans for the future.
  • Optical Fiber - Definition and Applications
    Article - 13 Mar 2014
    An optical fiber is a flexible and transparent material made out of glass and extruded in the form of fibers.
  • Neutral Density Filter - Definition and Properties
    Article - 3 Mar 2014
    A neutral density filter is a semi-transparent glass filter used in front of a camera lens to reduce or vary the intensity of incoming light without affecting the color rendition.
  • What are Wave Optics?
    Article - 10 Feb 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 Ultraviolet Light (UV)?
    Article - 7 Feb 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.
  • Ulbricht Sphere - Definition and Applications
    Article - 6 Feb 2014
    Ulbricht sphere, also known as an integrating sphere, is an optical device used for measuring the reflectivity/transmittivity of optical components and optical flux from an LED or bulb and a laser...
  • Gaussian Beam - Definition and Parameters
    Article - 6 Jan 2014
    A Gaussian beam is a beam of electromagnetic radiation with intensity distributions and transverse electric field represented by Gaussian functions.
  • Michelson Interferometer - Definition and Applications
    Article - 3 Jan 2014
    Michelson interferometer is a tool to produce interference between two beams of light. It is the most common design for optical interferometry and was invented by Albert Abraham Michelson.
  • Fizeau Interferometer - Definition and Applications
    Article - 3 Jan 2014
    Interferometric measurements can be carried out in an optical arrangement in which two or more beams originated from the same source, but passing in different paths are made to interfere....
  • What is an Aperture?
    Article - 31 Dec 2013
    An aperture is an opening or a hole through which light passes by. In an optical system, the aperture is the opening that defines the cone angle of a set of light rays that converges at a focal point...

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