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Near-diffraction-limited green source by frequency doubling of a diode-stack pumped Q-switched Nd:YAG slab oscillator-amplifier system

  • Hengli Zhang*
  • , Xiaomeng Liu
  • , Daijun Li
  • , Peng Shi
  • , Alex Schell
  • , Claus Rüdige Haas
  • , Keming Du
  • *Corresponding author for this work
  • Tsinghua University
  • EdgeWave GmbH

Research output: Contribution to journalArticlepeer-review

Abstract

A near-diffraction-limited, stable, 18 mJ green source with a pulse width of 16.7 ns was generated at a 1 kHz repetition rate by frequency doubling of diode stacks end-pumped electro-optically Q-switched slab Nd:YAG oscillator-amplifier system. The pump to green optical conversion efficiency was 10.7%. At the output energy of 15 mJ at 532 nm, the M2 factors were 1.3 and 1.7 in the unstable and stable directions, respectively. The energy pulse stability was ∼0.8%.

Original languageEnglish
Pages (from-to)6539-6542
Number of pages4
JournalApplied Optics
Volume46
Issue number26
DOIs
Publication statusPublished - 10 Sept 2007

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