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Optical Materials Express

Optical Materials Express

  • Editor: David J. Hagan
  • Vol. 1, Iss. 3 — Jul. 1, 2011
  • pp: 321–331

Multi-kW-class 1.64 μm Er3+:YAG lasers based on heat-capacity operation [Invited]

Marc Eichhorn  »View Author Affiliations


Optical Materials Express, Vol. 1, Issue 3, pp. 321-331 (2011)
http://dx.doi.org/10.1364/OME.1.000321


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Abstract

This paper discusses the spectroscopic fundametals, the scaling properties and experimental results of quasi-three-level resonantly diode-pumped Er3+:YAG solid-state heat-capacity laser (SSHCL) technology. With an output power of 4650 W and output energies in excess of 440 J this laser is currently the most powerful ”eye-safe” SSHCL. Due to a moderate crystal temperature rise of only 56.7 K/s at 11.3 kW of pump power and a temperature-related power drop of 8.8 W/K the laser shows strong potential for further upscaling.

© 2011 OSA

OCIS Codes
(140.3500) Lasers and laser optics : Lasers, erbium
(140.6810) Lasers and laser optics : Thermal effects

ToC Category:
Laser Materials

History
Original Manuscript: April 19, 2011
Revised Manuscript: May 18, 2011
Manuscript Accepted: May 23, 2011
Published: June 1, 2011

Virtual Issues
Advances in Optical Materials (2011) Optical Materials Express

Citation
Marc Eichhorn, "Multi-kW-class 1.64 μm Er3+:YAG lasers based on heat-capacity operation [Invited]," Opt. Mater. Express 1, 321-331 (2011)
http://www.opticsinfobase.org/ome/abstract.cfm?URI=ome-1-3-321


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References

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  2. D. Y. Shen, J. K. Sahu, and W. A. Clarkson, “Highly efficient in-band pumped Er:YAG laser with 60 W of output at 1645 nm,” Opt. Lett. 31, 754–756 (2006). [CrossRef] [PubMed]
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  9. M. Eichhorn, “Numerical modeling of diode-end-pumped high-power Er3+:YAG lasers,” IEEE J. Quantum. Electron. 44(9), 803–810 (2008). [CrossRef]
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  15. M. Eichhorn, “Fluorescence reabsorption and its effects on the local effective excitation lifetime,” Appl. Phys. B 96, 369–377 (2009). [CrossRef]
  16. M. Eichhorn, “High-efficiency multi-kilowatt Er3+:YAG solid-state heat-capacity laser,” Opt. Lett. 36, 1245–1247 (2011). [CrossRef] [PubMed]
  17. M. Eichhorn, “Multi-kW Er3+:YAG solid-state heat-capacity laser,” ASSP 2011, Istanbul, Turkey (2001), Post-deadline paper AMF2.
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