Triple slab radiofrequency discharged CO2 laser

Year: 1993

Authors: Lapucci A., Cangioli G.

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

Abstract: The operation of a laser having both the advantages of large area discharges and those of laser arrays is reported. The laser consists.of three parallel optical channels (slabs) with a rectangular section. Locked emission due to distributed coupling of the three slabs is observed. The resulting far-field pattern displays the presence of a symmetric central lobe corresponding to a 2 Mrad divergence and some residual sidelobes due to the laser periodic structure in one transverse direction. Such a far-field can be handled by Talbot imaging techniques, and the structure can be scaled to a higher number of channels.

Journal/Review: APPLIED PHYSICS LETTERS

Volume: 62      Pages from: 7  to: 9

KeyWords: Electric discharges; Laser mode locking; Phase locked loops, Far field laser beam pattern; RF discharge excitation; Talbot imaging, Carbon dioxide lasers
DOI: 10.1063/1.108778

Citations: 24
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