Scientific Results

Beam properties of a waveguide annular CO2 laser with a Talbot cavity

Year: 1998

Authors: Lapucci A., Ciofini M., Mascalchi S.

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

Abstract: We describe the behavior of an annular RF-excited CO2 laser, operated with a Talbot cavity in order to reduce the number of oscillating azimuthal modes. The beam quality is enhanced by means of a phase filter outside the cavity.

Conference title:

KeyWords: Annular laser resonators; Annular lasers; Diffusion-cooled lasers; Rf-discharge lasers; Chemical lasers; Flow of gases, Azimuthal modes; Beam properties; Phase filters; Talbot cavity, Carbon dioxide
DOI: 10.1117/12.334421

Citations: 3
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