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Optics Letters

Optics Letters


  • Vol. 36, Iss. 19 — Oct. 1, 2011
  • pp: 3816–3818

Broadband high-energy diode-pumped Yb:KYW multipass amplifier

Dimitrios N. Papadopoulos, Alain Pellegrina, Lourdes Patricia Ramirez, Patrick Georges, and Frédéric Druon  »View Author Affiliations

Optics Letters, Vol. 36, Issue 19, pp. 3816-3818 (2011)

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We report a diode-pumped Yb:KYW amplifier delivering up to 27 mJ pulses at a repetition rate of 100 Hz and a spectral bandwidth of 5.5 nm , centered at around 1030 nm . The system is based on a double-head multipass amplifier configuration where the pump thermal load is distributed over two relatively thin laser crystals, which permits a sufficiently large number of passes with minimal passive losses, thus maximizing the energy extraction efficiency. The amplified pulse bandwidth theoretically supports 340 fs pulses, and as a demonstration, a small fraction of the amplified pulses has been compressed to 560 fs .

© 2011 Optical Society of America

OCIS Codes
(140.3280) Lasers and laser optics : Laser amplifiers
(140.7090) Lasers and laser optics : Ultrafast lasers
(140.3615) Lasers and laser optics : Lasers, ytterbium

ToC Category:
Lasers and Laser Optics

Original Manuscript: July 28, 2011
Revised Manuscript: September 1, 2011
Manuscript Accepted: September 7, 2011
Published: September 23, 2011

Dimitrios N. Papadopoulos, Alain Pellegrina, Lourdes Patricia Ramirez, Patrick Georges, and Frédéric Druon, "Broadband high-energy diode-pumped Yb:KYW multipass amplifier," Opt. Lett. 36, 3816-3818 (2011)

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