Hybrid stable-unstable resonators for diffusion-cooled CO2 slab lasers

Year: 1996

Authors: Lapucci A., Labate A., Rossetti F., Mascalchi S.

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

Abstract: We present the numerical and experimental study that we carried out to compare the performances of two hybrid stable–unstable resonators for diffusion-cooled CO2 slab lasers. The two resonators are designed to fit a 320 mm 3 60 mm 3 2 mm rf-discharge channel and are both guided in the narrow transverse direction. They differ in the other transverse direction, consisting of a positive- or a negative-branch unstable resonator scheme. The two solutions have been characterized in terms of modal structure, power extraction, stability, and quality of the extracted beam.

Journal/Review: APPLIED OPTICS (2004)

Volume: 35 (18)      Pages from: 3185  to: 3192

KeyWords: Diffusion-cooled rf-discharge lasers; Lasers (CO2); Slab laser resonators; Slab lasers
DOI: 10.1364/AO.35.003185

Citations: 31
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