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Results 351 - 360 of 480 for Light Measurement
  • 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...
  • gRAY Laser Power Detectors for Easy OEM Integration
    Article - 17 Jun 2015
    In this interview, Susanne Dröscher from greenTEG talks about the new OEM-focused additions to their gRAY product line, which will be launched at LASER World of PHOTONICS in Munich, June 21-25 2015.
  • Optical Dispersion - Principle and Applications
    Article - 15 May 2014
    Dispersion is the process of describing the characteristics of light waves and their interaction with a medium so that the group and phase velocities of the light propagating the medium depend on the...
  • Bragg Grating - Introduction and Applications
    Article - 29 May 2014
    Fiber Bragg Grating (FBG) is a type of Bragg reflector (distributed type) that is constructed as a short segment of optical fiber to reflect light of certain wavelength and transmit the rest.
  • Speckle Pattern - Introduction and Applications
    Article - 15 May 2014
    Speckle pattern is a random granular pattern produced by the reflection of coherent light beam e.g. laser, at a rough surface such as a metallic surface, a display screen, white paint or a piece of...
  • An Introduction to Optical Harmonics
    Article - 5 Aug 2014
    Non-linear crystals are the materials in which dielectric polarization exhibits a non-linear response with respect to the electric field of the 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...
  • What is Optical Cross-Phase Modulation (XPM)?
    Article - 8 Oct 2013
    Optical cross phase modulation (XPM) may be described as a non-linear optical process where the wavelength of one light source affects the phase of another wave.
  • What is a Diffraction Grating?
    Article - 18 Jun 2013
    Diffraction grating comes into the picture when there is a need for separate light of different wavelengths with high resolution. A diffraction grating is a multiple slit arrangement made by etching...
  • What is a Periscope?
    Article - 11 Sep 2014
    A periscope can be defined as an optical instrument that allows the viewing of objects that are not in the direct life of vision. Periscopes prove to be of great help to submariners to have a view of...

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