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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 5 — Mar. 8, 2004
  • pp: 785–790

Efficient, all-solid-state, Raman laser in the yellow, orange and red

R.P. Mildren, M. Convery, H.M. Pask, J.A. Piper, and T. Mckay  »View Author Affiliations

Optics Express, Vol. 12, Issue 5, pp. 785-790 (2004)

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We report efficient operation of a KGd(WO4)2 Raman laser pumped by a small, 1 W, 532 nm laser module. By changing the output coupler and Raman crystal orientation, more than 8 wavelengths in the yellow-to-red spectral region were generated including 555 nm, 559 nm, 579 nm, 589 nm, 606 nm, 622 nm, 636 nm and 658 nm, ie., the first 4 Stokes orders on the two orthogonal high-gain Raman shifts of KGd(WO4)2. We have also demonstrated spectrally pure output (typically >90% pure) for selected Stokes order with output power up to 400 mW. High slope efficiency (up to 68%) and high beam quality (M2~1.5) of Stokes output are obtained even at the highest pump power.

© 2004 Optical Society of America

OCIS Codes
(140.3550) Lasers and laser optics : Lasers, Raman
(140.3580) Lasers and laser optics : Lasers, solid-state

ToC Category:
Research Papers

Original Manuscript: January 13, 2004
Revised Manuscript: February 20, 2004
Published: March 8, 2004

R. Mildren, M. Convery, H. Pask, J. Piper, and T. Mckay, "Efficient, all-solid-state, Raman laser in the yellow, orange and red," Opt. Express 12, 785-790 (2004)

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  1. H.M. Pask and J.A. Piper, �??Efficient all-solid-state yellow laser producing 1.2W average power,�?? Opt. Lett. 24, 1490�??2, (1999). [CrossRef]
  2. H.M. Pask, S. Myers, J.A. Piper, J. Richards and T. McKay, �??High average power, all-solid-state external resonator Raman laser,�?? Opt. Lett. 28, 435-7, (2003). [CrossRef] [PubMed]
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  9. Y. Urata, S. Wada and H. Tashiro, �??Doping of absorbent into a Raman crystal fro suppression of higher-order Stokes generation,�?? Opt. Lett. 25, 752-755, (2000). [CrossRef]

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