Evidence that transverse effects cause an instability in a single-mode CO2 laser

Year: 1987

Authors: Lippi G.L., Abraham N.B., Puccioni GP., Arecchi F.T., Tredicce J.

Autors Affiliation: Department of Physics, Bryn Mawr College, Bryn Mawr, Pennsylcania 19010; Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy; Department of Physics, Drexel Unicersity, Philadelphia, Pennsylvania 19104;
Dipartimento di Fisica, Università di Firenze, Firenze, Italy

Abstract: We show experimental evidence of spontaneous oscillations in a single-transverse- and singlelongitudinal-mode COz laser under conditions for which the plane-wave Maxwell-Bloch model predicts stable laser operation. These instabilities seem to result from transverse structure in the mode, as a model which accounts for the transverse profile of the field in the cavity predicts behavior in close agreement with our experimental results.

Journal/Review: PHYSICAL REVIEW A

Volume: 35 (9)      Pages from: 3978  to: 3981

KeyWords: instability; Co2 laser; single-mode
DOI: 10.1103/PhysRevA.35.3978

Citations: 9
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