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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 22 — Nov. 15, 2013
  • pp: 4716–4718

39.1  μJ picosecond ultraviolet pulses at 355  nm with 1  MHz repeat rate

Peng Zhu, Daijun Li, Qingyong Liu, Jun Chen, Shaojun Fu, Peng Shi, Keming Du, and Peter Loosen  »View Author Affiliations

Optics Letters, Vol. 38, Issue 22, pp. 4716-4718 (2013)

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Based on our reliable high-power picosecond laser source with high beam qualities, we designed a compact and efficient third harmonic generation scheme by cascading a frequency doubling and a sum frequency generation using LBO as the nonlinear material. A maximum output of 39.1 W with a repeat rate of 1 MHz at 355 nm was obtained, which implied a pulse energy of 39.1 μJ, which was the highest picosecond UV pulse energy with an all-solid-state setup so far. The total conversion efficiency from infrared to UV was up to 46%. And the output UV has excellent beam qualities with an M-square factor less than 1.1.

© 2013 Optical Society of America

OCIS Codes
(140.3610) Lasers and laser optics : Lasers, ultraviolet
(140.7090) Lasers and laser optics : Ultrafast lasers

ToC Category:
Lasers and Laser Optics

Original Manuscript: July 29, 2013
Revised Manuscript: September 24, 2013
Manuscript Accepted: September 25, 2013
Published: November 12, 2013

Peng Zhu, Daijun Li, Qingyong Liu, Jun Chen, Shaojun Fu, Peng Shi, Keming Du, and Peter Loosen, "39.1  μJ picosecond ultraviolet pulses at 355  nm with 1  MHz repeat rate," Opt. Lett. 38, 4716-4718 (2013)

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