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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 13 — Jul. 1, 2009
  • pp: 2075–2077

Multi-mJ, 200 - fs , cw-pumped, cryogenically cooled, Yb,Na:CaF2 amplifier

A. Pugžlys, G. Andriukaitis, A. Baltuška, L. Su, J. Xu, H. Li, R. Li, W. J. Lai, P. B. Phua, A. Marcinkevičius, M. E. Fermann, L. Giniūnas, R. Danielius, and S. Ališauskas  »View Author Affiliations


Optics Letters, Vol. 34, Issue 13, pp. 2075-2077 (2009)
http://dx.doi.org/10.1364/OL.34.002075


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Abstract

Using a novel (to our knowledge) broadband Yb-doped Yb 3 + , Na + : Ca F 2 crystal cooled in a closed loop to 130 K we demonstrate a chirped pulse regenerative laser amplifier delivering the energy of up to 3 mJ at a repetition rate of 1 kHz and an average output power of 6 W at 20 kHz . The gain narrowing in the laser crystal is compensated by shaping the amplitude of the seed pulse spectrum. As the result, at the highest amplified pulse energy we obtain a 12 nm FWHM bandwidth supporting a 130 fs pulse duration, assuming ideal compression. Amplified pulses were recompressed from 250 ps to 195 fs with a 1700   lines mm transmission grating compressor.

© 2009 Optical Society of America

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

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: March 20, 2009
Revised Manuscript: May 15, 2009
Manuscript Accepted: May 15, 2009
Published: June 30, 2009

Citation
A. Pugžlys, G. Andriukaitis, A. Baltuška, L. Su, J. Xu, H. Li, R. Li, W. J. Lai, P. B. Phua, A. Marcinkevičius, M. E. Fermann, L. Giniūnas, R. Danielius, and S. Ališauskas, "Multi-mJ, 200-fs, cw-pumped, cryogenically cooled, Yb,Na:CaF2 amplifier," Opt. Lett. 34, 2075-2077 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-13-2075

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