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High efficiency, diode pumped Nd:YAG ceramics slab laser with 230 W continuous-wave output power |
Applied Optics, Vol. 51, Issue 18, pp. 4224-4231 (2012)
http://dx.doi.org/10.1364/AO.51.004224
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Abstract
Diode pumped zig-zag slab lasers are widely adopted for continuous-wave high power or pulsed high energy applications. Recently [J. Eur. Opt. Soc.-Rapid 6, 11041 (2011)] we started to investigate a new thin slab format in which pumping radiation input is obtained through the thin lateral faces (edge pumping) and the beam propagation takes place bouncing on these same lateral faces (“edge zig-zag”). We report on the optimized operation of a ceramic Nd:YAG laser, based on this geometry, extracting 230 W at a 43% output power to diode power conversion efficiency. Thorough investigation of the thermal lens effect allows us to analyze the optical cavity and thus to define the main aspects limiting the present laser configuration.
© 2012 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
(140.5560) Lasers and laser optics : Pumping
ToC Category:
Lasers and Laser Optics
History
Original Manuscript: March 29, 2012
Revised Manuscript: May 3, 2012
Manuscript Accepted: May 21, 2012
Published: June 20, 2012
Citation
Antonio Lapucci, Marco Ciofini, Maurizo Vannoni, and Andrea Sordini, "High efficiency, diode pumped Nd:YAG ceramics slab laser with 230 W continuous-wave output power," Appl. Opt. 51, 4224-4231 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-18-4224
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