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Results 71 - 80 of 803 for Laser
  • How Are Laser Guide Stars Used in Astronomy?
    Article - 12 Apr 2018
    When there are no nearby stars to use as a reference, lasers are used to generate small bright spots in the sky. These laser guide stars can be used by astronomers with adaptive optics imaging to...
  • Measuring High Power Lasers
    Article - 2 Dec 2015
    Gary Wagner, President of Ophir-Spiricon, spoke to AZoOpitcs about how extremely powerful lasers are driving new innovations in manufacturing and the military, the difficulties researchers face when...
  • Pound-Drever Hall Technique for Laser Frequency Stabilization
    Article - 9 May 2014
    The Pound-Drever Hall (PDH) method is a known and sophisticated method for frequency stabilization of lasers, for instance diode lasers, to a reference optical cavity, for instance Fabry-Perot cavity,...
  • Superpulse Lasers - Definition and Applications
    Article - 14 Mar 2014
    Superpulse is a specific waveform commonly used in CO2 laser systems either in a pulsed or continuous pattern. Superpulsed lasers are capable of emitting several thousand bursts of power per second.
  • Laser Mode Locking - Theory and Applications
    Article - 13 Mar 2014
    Mode locking is a technique used to obtain ultra short pulses from lasers. Lasers that are mode locked are capable of producing pulses having pulse widths in the order of sub-pico seconds or even...
  • Gallium Indium Arsenic Antimony Lasers – Properties and Applications
    Article - 21 May 2013
    The gallium indium arsenic antimony lasers are diode lasers that emit infrared wavelengths. These laser diodes are important sources of lasers that generate wavelengths more than 2 µm.
  • Semiconductor Lasers: AlGaInP (Aluminum Gallium Indium Phosphide) Laser Properties and Applications
    Article - 20 May 2013
    The aluminium gallium indium phosphide laser is a type of visible-light diode laser. Visible diode lasers emit wavelengths of red and green in the visible spectrum of electromagnetic radiation.
  • Ytterbium Doped Glass Lasers – Properties and Applications
    Article - 17 May 2013
    Ytterbium doped glass laser is a solid state laser doped with ytterbium. Ytterbium and other rare earths are used to dope the active lasing mediums of solid state lasers. Doping with ytterbium...
  • Nd:YCOB Lasers - Properties and Applications
    Article - 15 May 2013
    Neodymium-doped yttrium calcium oxyborate (Nd:YCOB) is an excellent self-frequency doubling crystal that combines the non-linear properties of YCOB matrix and photoluminescence features of the Nd3+...
  • Er:YAG Lasers - Properties and Applications
    Article - 15 May 2013
    Er:YAG lasers are solid-state lasers that have erbium-doped yttrium aluminium garnet as a lasing medium. These lasers emit infrared light at a wavelength of 2940 nm.

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