Second and third harmonic conversion of a kilowatt average power, 100-J-level diode pumped Yb:YAG laser in large aperture LBO

Jonathan P. Phillips*, Saumyabrata Banerjee, Paul Mason, Jodie Smith, Jacob Spear, Mariastefania De Vido, Klaus Ertel, Thomas Butcher, Gary Quinn, Danielle Clarke, Chris Edwards, Cristina Hernandez-Gomez, John Collier

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

We report on the successful demonstration of second and third harmonic conversion of a high pulse energy, high average power 1030 nm diode pumped Yb-doped yttrium aluminum garnet (Yb:YAG) nanosecond pulsed laser in a large aperture lithium triborate (LBO) crystal. We demonstrated generation of 59.7 J at 10 Hz (597 W) at 515 nm (second harmonic) and of 65.0 J at 1 Hz (65 W) at 343 nm (third harmonic), with efficiencies of 66% and 68%, respectively. These results, to the best of our knowledge, represent the highest energy and power reported for frequency conversion to green and UV-A wavelengths.

Original languageEnglish
Pages (from-to)1808-1811
Number of pages4
JournalOptics Letters
Volume46
Issue number8
Early online date6 Apr 2021
DOIs
Publication statusPublished - 15 Apr 2021

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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