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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 44, Iss. 20 — Jul. 10, 2005
  • pp: 4388–4393

Efficiency optimization for a diode-pumped Nd:YAG ceramic slab laser

Antonio Lapucci and Marco Ciofini  »View Author Affiliations


Applied Optics, Vol. 44, Issue 20, pp. 4388-4393 (2005)
http://dx.doi.org/10.1364/AO.44.004388


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Abstract

With the help of photometric calculations based on ray-tracing algorithms, we have optimized the efficiency of the optical pumping of a Nd:YAG ceramic slab laser. The slab pumping is performed by means of two horizontal diode laser array stacks. The use of two small reflecting walls allows the sort of duct coupling that is capable of significantly improving the performance of the system. Our first experiments with a simple direct coupling provided a maximum extraction of slightly more than 160 W at a 20% slope efficiency level. The use of the optimized short duct coupling leads us to the extraction of 350 W with a slope efficiency of 51%, making use of the same diode arrays. The laser design is suitable for the construction of cw sources with a power output above 1 kW.

© 2005 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3530) Lasers and laser optics : Lasers, neodymium
(140.3580) Lasers and laser optics : Lasers, solid-state

History
Original Manuscript: January 7, 2005
Revised Manuscript: February 23, 2005
Manuscript Accepted: February 24, 2005
Published: July 10, 2005

Citation
Antonio Lapucci and Marco Ciofini, "Efficiency optimization for a diode-pumped Nd:YAG ceramic slab laser," Appl. Opt. 44, 4388-4393 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-20-4388

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