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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 12 — Jun. 15, 2012
  • pp: 2175–2177

High-efficiency 10 J diode pumped cryogenic gas cooled Yb:YAG multislab amplifier

Saumyabrata Banerjee, Klaus Ertel, Paul D. Mason, P. Jonathan Phillips, Mathias Siebold, Markus Loeser, Cristina Hernandez-Gomez, and John L. Collier  »View Author Affiliations


Optics Letters, Vol. 37, Issue 12, pp. 2175-2177 (2012)
http://dx.doi.org/10.1364/OL.37.002175


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Abstract

We report on the first demonstration of a diode-pumped, gas cooled, cryogenic multislab Yb:YAG amplifier. The performance was characterized over a temperature range from 88 to 175 K. A maximum small-signal single-pass longitudinal gain of 11.0 was measured at 88 K. When amplifying nanosecond pulses, recorded output energies were 10.1 J at 1 Hz in a four-pass extraction geometry and 6.4 J at 10 Hz in a three-pass setup, corresponding to optical to optical conversion efficiencies of 21% and 16%, respectively. To our knowledge, this represents the highest pulse energy so far obtained from a cryo-cooled Yb-laser and the highest efficiency from a multijoule diode pumped solid-state laser system.

© 2012 Optical Society of America

OCIS Codes
(140.3280) Lasers and laser optics : Laser amplifiers
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.3538) Lasers and laser optics : Lasers, pulsed
(140.3615) Lasers and laser optics : Lasers, ytterbium

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: March 16, 2012
Revised Manuscript: April 2, 2012
Manuscript Accepted: April 3, 2012
Published: June 4, 2012

Citation
Saumyabrata Banerjee, Klaus Ertel, Paul D. Mason, P. Jonathan Phillips, Mathias Siebold, Markus Loeser, Cristina Hernandez-Gomez, and John L. Collier, "High-efficiency 10 J diode pumped cryogenic gas cooled Yb:YAG multislab amplifier," Opt. Lett. 37, 2175-2177 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-12-2175

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