Quantitative analysis of the thermal distortions in a 100 W CW Nd:YAG ceramic slab laser

Anno: 2007

Autori: Lapucci A., Ciofini M., Favilla E., Sani E., De Rosa M., Mincuzzi G., Rocco A.

Affiliazione autori: CNR – Istituto Nazionale di Ottica Applicata, Largo E. Fermi 6, 50125 Firenze, Italy;
CNR – Istituto Nazionale di Ottica Applicata, Via Campi Flegrei 34, 80078 Pozzuoli (NA), Italy

Abstract: Making use of an interferometric diagnostic system, we analyze the thermo-mechanical distortions taking place in the slab shaped ceramic Nd:YAG active medium of a 100 W class laser. These distortions are collected in different pumping regimes, both in static situations and during transient warm-up, and compared to the results of computer simulations. This procedure enables us to determine the relevance of different stress causes and thus to increase the specific power extraction of the active slab module.

Giornale/Rivista: JOURNAL OF THE EUROPEAN OPTICAL SOCIETY-RAPID PUBLICATIONS

Volume: 2      Da Pagina: 07020-1  A: 07020-8

Maggiori informazioni: The authors thank Pietro Ferraro for useful discussion and suggestions. This work was performed within the National Project LaCer (Laser Ceramico) fundend by the Italian Ministery for University and Research (M. U. R.) in the framework of a F. A. R. action.
Parole chiavi: Ceramic materials; Computer simulation; Pumping (laser), Ceramic Nd:YAG; Diode pumped solid state laser; Interferometric diagnostics; Nd:YAG ceramic; Slab lasers; Thermal distortions; Thermo-mechanical; YAG laser, Neodymium lasers
DOI: 10.2971/jeos.2007.07020

Citazioni: 5
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