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  • Thermal Imaging in Space
    Article - 4 May 2016
    Originally developed for military purposes during the late 1940s, thermal imaging allowed soldiers in combat to see and target opposing forces through the darkest hours of the night or across a...
  • What is a Photon Detector?
    Article - 22 Apr 2014
    Photon or Quantum detectors generate a single response element for a single photon in response to the incoming photon flux. They respond in a quantized manner. Insufficiencies of response need to be...
  • 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.
  • Photometer - Definition and References
    Article - 29 May 2014
    Photometer is an instrument for measuring the light intensity or optical properties of optical sources or detectors. It operates more like a transducer which converts electric current into mechanical...
  • Photodiodes - Their Working Principles and Applications
    Article - 29 May 2014
    A photodiode is a kind of light detector which involves conversion of light into voltage or current based on the mode of operation of the device. It consists of built-in lenses, optical filters, and...
  • Optical Fiber - Definition and Applications
    Article - 19 Jun 2014
    An optical fiber is a flexible and transparent material made out of glass and extruded in the form of fibers.
  • Beam Divergence
    Article - 19 Sep 2014
    Beam divergence of an electromagnetic beam is defined as a measure of increase in laser beam diameter or radius with respect to the distance from an antenna aperture or optical aperture through which...
  • Total Internal Reflection - Working Principle and Applications
    Article - 12 May 2014
    Total internal reflection is the reflection of the incident light that hits a medium boundary at an angle greater than the critical angle relative to the normal to the surface.
  • Photoelectric Effect - Definition and Applications
    Article - 6 May 2014
    Photoelectric effect is a result of emission of electrons when a matter is exposed to electromagnetic radiations such as photons of light.
  • Fluorescence - Definition and Applications
    Article - 6 May 2014
    Fluorescence is the emission of light by an atom or molecule following absorption of light or other radiation by the molecule. The emitted light arises due to the transition of the excited electrons...

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