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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 33 — Nov. 20, 2011
  • pp: 6294–6301

Pulsed frequency-shifted feedback laser for laser guide stars: intracavity preamplifier

Jean-Paul Pique, Vincent Fesquet, and Sylvie Jacob  »View Author Affiliations

Applied Optics, Vol. 50, Issue 33, pp. 6294-6301 (2011)

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Intensive use of laser guide stars with the new generation of extremely large telescopes and hypertelescopes will require the use of more efficient lasers to surmount novel limitations and aberrations. The pulsed frequency-shifted feedback (FSF) laser we have developed overcomes the saturation of sodium atoms and solves the new problems. This work presents a highly efficient solution for operating pulsed FSF lasers. For the first time, an intracavity preamplifier achieves a gain of 10 4 and more than 40 μJ per pulse, with a near-diffraction-limited beam and without amplified spontaneous emission. Endurance tests have shown that good performance is maintained over several hundred hours.

© 2011 Optical Society of America

OCIS Codes
(140.3518) Lasers and laser optics : Lasers, frequency modulated
(140.3538) Lasers and laser optics : Lasers, pulsed

ToC Category:
Lasers and Laser Optics

Original Manuscript: June 8, 2011
Revised Manuscript: September 9, 2011
Manuscript Accepted: September 14, 2011
Published: November 18, 2011

Jean-Paul Pique, Vincent Fesquet, and Sylvie Jacob, "Pulsed frequency-shifted feedback laser for laser guide stars: intracavity preamplifier," Appl. Opt. 50, 6294-6301 (2011)

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