Applied Physics B

, Volume 89, Issue 2–3, pp 305–310

Nd:GSAG-pulsed laser operation at 943 nm and crystal growth

  • F. Kallmeyer
  • M. Dziedzina
  • X. Wang
  • H.J. Eichler
  • C. Czeranowsky
  • B. Ileri
  • K. Petermann
  • G. Huber
Article

Abstract

Laser activity of neodymium-doped gadolinium scandium aluminum garnet (Nd:GSAG) on the \(^{4}F_{3/2}\rightarrow^{4}I_{9/2}\) transition with an output wavelength around 943 nm was investigated. The emission cross-section was measured with spectroscopic and amplifier approaches demonstrating the applicability of the Nd:GSAG laser for water vapor detection. A Q-switched laser setup delivered 150 ns pulses with 26 mJ output energy and 9% optical to optical efficiency. The laser was diode pumped with up to 50 Hz repetition rate. In the long pulse mode a pulse energy of 83 mJ with 32% optical efficiency was achieved. The output wavelength was controlled by injection seeding.

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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • F. Kallmeyer
    • 1
  • M. Dziedzina
    • 1
  • X. Wang
    • 1
  • H.J. Eichler
    • 1
  • C. Czeranowsky
    • 2
  • B. Ileri
    • 2
  • K. Petermann
    • 2
  • G. Huber
    • 2
  1. 1.Institut für Optik und Atomare PhysikTU BerlinBerlinGermany
  2. 2.University of HamburgHamburgGermany

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