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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 22 — Nov. 15, 2012
  • pp: 4633–4635

201 W picosecond green laser using a mode-locked fiber laser driven cryogenic Yb:YAG amplifier system

Katie Kowalewski, Jason Zembek, Victoria Envid, and David C. Brown  »View Author Affiliations


Optics Letters, Vol. 37, Issue 22, pp. 4633-4635 (2012)
http://dx.doi.org/10.1364/OL.37.004633


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Abstract

We have generated 201 W of green (514.5 nm) average power from a frequency-doubled picosecond cryogenic Yb:YAG laser system driven by a 50 MHz, 12.4 ps mode-locked Yb fiber laser producing 430 W of average power at 1029 nm, using direct pulse amplification. The fundamental beam produced was near-diffraction-limited (M2<1.3). Second-harmonic-generation is achieved using a 20 mm long noncritically phase-matched Lithium triborate (LiB3O5) crystal; conversion efficiencies as high as 58% have been observed. At 100 W of 514.5 nm output power, the average M2 value was 1.35. To the best of our knowledge, this is the highest average power picosecond green pulsed laser.

© 2012 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3460) Lasers and laser optics : Lasers
(140.3510) Lasers and laser optics : Lasers, fiber
(140.4050) Lasers and laser optics : Mode-locked lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: July 10, 2012
Revised Manuscript: September 12, 2012
Manuscript Accepted: September 22, 2012
Published: November 7, 2012

Citation
Katie Kowalewski, Jason Zembek, Victoria Envid, and David C. Brown, "201 W picosecond green laser using a mode-locked fiber laser driven cryogenic Yb:YAG amplifier system," Opt. Lett. 37, 4633-4635 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-22-4633

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