Compact Scalable Diode-Pumped Nd:YAG Ceramic Slab Laser

Year: 2004

Authors: Ciofini M., Lapucci A.

Autors Affiliation: Istituto Nazionale di Ottica Applicata, Largo E. Fermi 6, 50125 Firenze, Italy

Abstract: We describe our preliminary studies of the use of neodymium-doped slab-shaped ceramic YAG media in the construction of compact, rugged, high-power diode-pumped solid-state lasers. A maximum extraction of more than 160 W at a 20% slope efficiency level, with a narrow transverse direction beam-parameter product of the order of 4 mm mrad-1 is experimentally obtained from an extremely simple and compact (overall dimensions 160 mm × 100 mm × 60 mm) laser head in a quasi-continuous-wave regime. Experimental data together with finite-elements method simulations indicate that power extraction can be scaled up at least to 900 W cw with this laser head geometry.

Journal/Review: APPLIED OPTICS (2004)

Volume: 43 (33)      Pages from: 6174  to: 6179

KeyWords: Ceramic materials; Computer simulation; Continuous wave lasers; Degrees of freedom (mechanics); Doping (additives); Finite element method; Optical pumping; Polycrystalline materials; Thermal effects, Beam parameter products (BPP); Beam quality; Diode-pumped solid-state (DPSS) lasers; Thermal distortions, Solid state laser
DOI: 10.1364/AO.43.006174

Citations: 13
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