3-MODE ROTATING PATTERN IN A CO2-LASER WITH HIGH CYLINDRICAL SYMMETRY

Authors
BOSCOLO I BRAMATI A MALVEZZI M PRATI F
Citation
I. Boscolo et al., 3-MODE ROTATING PATTERN IN A CO2-LASER WITH HIGH CYLINDRICAL SYMMETRY, Physical review. A, 55(1), 1997, pp. 738-743
Citations number
18
Categorie Soggetti
Physics
Journal title
Physical review. A → ACNP
ISSN journal
10502947
Volume
55
Issue
1
Year of publication
1997
Pages
738 - 743
Database
ISI
SICI code
1050-2947(1997)55:1<738:3RPIAC>2.0.ZU;2-9
Abstract
We show that the three degenerate modes of family q=2 in a CO2 laser w ith high cylindrical symmetry produce a rotating pattern in which freq uency degeneracy is removed. The rotation frequency is determined by t he nonlinear interaction with the atomic medium. This is an example of the antifrequency locking phenomenon typical of class-B lasers. The m easured rotation frequencies for different values of the discharge cur rent agree well with theoretical predictions.