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Proceedings Article

Compact high-power ceramic slab laser

[+] Author Affiliations
Antonio Lapucci, Marco Ciofini

Istituto Nazionale di Ottica Applicata (Italy)

Proc. SPIE 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 369 (April 01, 2005); doi:10.1117/12.611036
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From Conference Volume 5777

  • XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers
  • Prague, Czech Republic | August 30, 2004

abstract

Preliminary tests are here reported, carried out on a compact and rugged diode pumped solid state (DPSS) laser for industrial applications. The laser design is based on a Neodimium doped slab shaped ceramic YAG medium. A maximum extraction of more than 320 W at a 44% slope efficiency level has been obtained with a simple half symmetric stable resonator scheme. Experimental data together with F.E.M. simulations indicate that power extraction can be scaled up to a multi-kilo Watt level with this extremely compact (overall dimensions: 160 x 100 x 60 mm) laser head geometry. A narrow transverse direction Beam Parameter Product (BPP) of the order of 3 mm.mrad is experimentally obtained. This enables the reasonable prediction of a good quality beam extraction adopting a stable multipass resonator or a hybrid stable-unstable resonator. Given the zig-zag resonator path, thermal lens effects appear scarcely critical.

© (2005) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Antonio Lapucci and Marco Ciofini
"Compact high-power ceramic slab laser", Proc. SPIE 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 369 (April 01, 2005); doi:10.1117/12.611036; http://dx.doi.org/10.1117/12.611036


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