High-energy resonantly diode-pumped Q-switched: YAG laser

A. Berrou, T. Ibach, M. Eichhorn

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Abstract

We report on a Q-switched :YAG laser resonantly pumped by fiber-coupled high-spectral-brightness laser diodes emitting at . Using a 75-mm-long composite crystal pumped by two fiber-coupled diode modules, 18 W was obtained at a wavelength of 2121 nm for 53 W of injected power with a slope efficiency of 51 % with respect to absorbed power. The beam propagation factor was measured to be 1.2 at the maximum output power. The laser performance in Q-switched operation was recorded for different repetition rates between 100 Hz and 20 kHz. A maximum output energy of 8.7 mJ was measured at 1 kHz repetition rate.

Original languageEnglish
Pages (from-to)105-110
Number of pages6
JournalApplied Physics B: Lasers and Optics
Volume120
Issue number1
DOIs
Publication statusPublished - Jul 2015

Keywords

  • ER3+YAG LASER
  • HIGH-POWER

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