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Optics Letters

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  • Vol. 36, Iss. 6 — Mar. 15, 2011
  • pp: 799–801

Improving the brightness of a multi-kilowatt single thin-disk laser by an aspherical phase front correction

David Blázquez-Sánchez, Birgit Weichelt, Armin Austerschulte, Andreas Voss, Thomas Graf, Alexander Killi, Hans-Christoph Eckstein, Marko Stumpf, Andre Lothar Matthes, and Uwe Detlef Zeitner  »View Author Affiliations


Optics Letters, Vol. 36, Issue 6, pp. 799-801 (2011)
http://dx.doi.org/10.1364/OL.36.000799


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Abstract

We report on results obtained with an aspherical mirror to compensate for the phase front aberrations of a cw thin-disk laser with a single disk in the resonator. A record output power of 5 kW with a beam quality suitable for laser cutting (beam propagation factor M 2 = 9.2 ) has been achieved.

© 2011 Optical Society of America

OCIS Codes
(140.3410) Lasers and laser optics : Laser resonators
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.6810) Lasers and laser optics : Thermal effects
(220.1250) Optical design and fabrication : Aspherics

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: October 26, 2010
Revised Manuscript: January 26, 2011
Manuscript Accepted: January 28, 2011
Published: March 7, 2011

Citation
David Blázquez-Sánchez, Birgit Weichelt, Armin Austerschulte, Andreas Voss, Thomas Graf, Alexander Killi, Hans-Christoph Eckstein, Marko Stumpf, Andre Lothar Matthes, and Uwe Detlef Zeitner, "Improving the brightness of a multi-kilowatt single thin-disk laser by an aspherical phase front correction," Opt. Lett. 36, 799-801 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-6-799


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References

  1. A. Giesen, H. Hügel, A. Voss, K. Wittig, U. Brauch, and H. Opower, Appl. Phys. B 58, 365 (1994).
  2. J. Mende, G. Spindler, J. Speiser, and A. Giesen, Appl. Phys. B 97, 307 (2009). [CrossRef]
  3. A. Killi, C. Stolzenburg, I. Zawischa, D. Sutter, J. Kleinbauer, S. Schad, R. Brockmann, S. Weiler, J. Neuhaus, S. Kalfhues, E. Mehner, D. Bauer, H. Schlueter, and C. Schmitz, Proc. SPIE 7193, 71931T (2009). [CrossRef]
  4. A. Giesen and J. Speiser, IEEE J. Sel. Top. Quantum Electron. 13, 598 (2007). [CrossRef]
  5. B. Weichelt , D. Bla´zquez-Sa´nchez, A. Austerchulte, A. Voss, T. Graf (IFSW, Universita¨t Stuttgart, Pfaffenwaldring 43, 70569 Stuttgart, Germany), and A. Killi (TRUMPF Laser GmbH & Co. KG, Aichhalder Strasse 39, 78713 Schramberg, Germany) are preparing a manuscript to be called “High precision interferometer to evaluate the optical phase difference in high-power thin-disk lasers.”
  6. D. Radtke and U. D. Zeitner, Opt. Express 15, 1167 (2007). [CrossRef] [PubMed]

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