DYNAMICAL TRANSVERSE LASER PATTERNS .1. THEORY

被引:91
作者
BRAMBILLA, M
CATTANEO, M
LUGIATO, LA
PIROVANO, R
PRATI, F
KENT, AJ
OPPO, GL
COATES, AB
WEISS, CO
GREEN, C
DANGELO, EJ
TREDICCE, JR
机构
[1] UNIV STRATHCLYDE, DEPT PHYS & APPL PHYS, GLASGOW G4 0NG, SCOTLAND
[2] PHYS TECH BUNDESANSTALT, W-3300 BRAUNSCHWEIG, GERMANY
[3] DREXEL UNIV, DEPT PHYS, PHILADELPHIA, PA 19104 USA
[4] UNIV ZURICH, INST PHYS, ZURICH, SWITZERLAND
来源
PHYSICAL REVIEW A | 1994年 / 49卷 / 02期
关键词
D O I
10.1103/PhysRevA.49.1427
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We consider a cylindrically symmetrical laser with spherical mirrors and describe the dynamics in terms of the competition among different Gauss-Laguerre modes of the cavity. In this paper we focus on the case in which the mode competition leads the laser to a dynamical: state that, according to the values of the central parameters, can be periodic or quasiperiodic. The linear stability analysis of the single-mode stationary solutions, in which the laser oscillates with the fundamental TEM(00) or the TEM(01)* mode, provides an initial guideline in our search for; the various spatiotemporal patterns which emerge. We consider cases in which the gain line activates one, two, or three frequency-degenerate families of modes. The motion of optical vortices, from the simple rotation to creation and annihilation in pairs is analyzed, together with the correlated movement or the peaks of the intensity distribution in the: traverse plane. We study also the patterns which appear-when the cylindrical symmetry of the system is broken. The parameters of our calculations correspond closely to those which characterize Na-2 lasers, CO2 lasers, and Nd-doped yttrium aluminum garnet lasers.
引用
收藏
页码:1427 / 1451
页数:25
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