Improved stability second harmonic conversion of a diode-pumped Yb:YAG laser at the 0.5 kW level

Danielle Clarke*, Jonathan Phillips, Martin Divoky, Jan Pilar, Petr Navratil, Martin Hanus, Patricie Severova, Ondrej Denk, Tomas Paliesek, Martin Smrz, Paul Mason, Thomas Butcher, Chris Edwards, John Collier, Tomas Mocek

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

We report on efficient and stable, type-I phase-matched second harmonic conversion of a nanosecond high-energy, diode-pumped, Yb:YAG laser. With a frequency-doubling crystal in an enclosed, temperature controller with optical windows, 0.5% energy stability was achieved for approximately half an hour. This resulted in 48.9 J pulses at 10 Hz (489 W) and a conversion efficiency of 73.8%. These results are particularly important for stable and reliable operation of high-energy, frequency-doubled lasers.

Original languageEnglish
Pages (from-to)6320-6323
Number of pages4
JournalOptics Letters
Volume48
Issue number23
DOIs
Publication statusPublished - 1 Dec 2023

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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