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Applied Physics B

, Volume 102, Issue 3, pp 529–538 | Cite as

Injection-locked single-frequency laser with an output power of 220 W

  • L. WinkelmannEmail author
  • O. Puncken
  • R. Kluzik
  • C. Veltkamp
  • P. Kwee
  • J. Poeld
  • C. Bogan
  • B. Willke
  • M. Frede
  • J. Neumann
  • P. Wessels
  • D. Kracht
Article

Abstract

A solid-state laser system for the next generation of gravitational wave detectors with an output power of 220 W at the wavelength of 1064 nm is presented. Single-frequency operation of the laser was achieved by injection-locking of a high-power ring oscillator to an amplified non-planar ring oscillator (NPRO) following the Pound–Drever–Hall scheme. The high-power stage which features four longitudinally pumped Nd:YAG laser crystals as active media in a ring resonator configuration was designed for reliable long term operation. Using a non-confocal ring cavity to filter the output beam, a pure TEM00 mode with 168 W output power was obtained.

Keywords

Output Power Pump Power High Order Mode Thermal Lens Laser Crystal 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  • L. Winkelmann
    • 1
    Email author
  • O. Puncken
    • 1
  • R. Kluzik
    • 1
  • C. Veltkamp
    • 1
  • P. Kwee
    • 2
  • J. Poeld
    • 2
  • C. Bogan
    • 2
  • B. Willke
    • 2
    • 3
  • M. Frede
    • 1
  • J. Neumann
    • 1
    • 3
  • P. Wessels
    • 1
    • 3
  • D. Kracht
    • 1
    • 3
  1. 1.Laser Zentrum Hannover e.V.HannoverGermany
  2. 2.Max-Planck-Institut für Gravitationsphysik (Albert-Einstein-Institut) und Leibniz Universität HannoverHannoverGermany
  3. 3.Centre for Quantum-Engineering and Space-Time Research—QUESTHannoverGermany

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