Metastable chaos in the ammonia ring laser

Dykstra, R., Malos, J. T., Heckenberg, N. R. and McDuff, R. G. (1997) Metastable chaos in the ammonia ring laser. Physical Review A, 56 4: 3180-3186. doi:10.1103/PhysRevA.56.3180

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Author Dykstra, R.
Malos, J. T.
Heckenberg, N. R.
McDuff, R. G.
Title Metastable chaos in the ammonia ring laser
Journal name Physical Review A   Check publisher's open access policy
ISSN 1050-2947
1094-1622
Publication date 1997-10-01
Sub-type Article (original research)
DOI 10.1103/PhysRevA.56.3180
Open Access Status File (Publisher version)
Volume 56
Issue 4
Start page 3180
End page 3186
Total pages 7
Place of publication New York
Publisher American Physical Society
Language eng
Subject 02 Physical Sciences
Abstract We report experimental studies of metastable chaos in the far-infrared ammonia ring: laser. When the laser pump power is switched from above chaos threshold to slightly below, chaotic intensity pulsations continue for a varying time afterward before decaying to either periodic or cw emission. The behavior is in good qualitative agreement with that predicted by the Lorenz equations, previously used to describe this laser. The statistical distribution of the duration of the chaotic transient is measured and shown to be in excellent agreement with the Lorenz equations in showing a modified exponential distribution. We also give a brief numerical analysis and graphical visualization of the Lorenz equations in phase space illustrating the boundary between the metastable chaotic and the stable fixed point basins of attraction. This provides an intuitive understanding of the metastable dynamics of the Lorenz equations and the experimental system.
Keyword Optics
Physics, Atomic, Molecular & Chemical
Lorenz-haken Model
Transient Chaos
Emission
Crisis
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Physical Sciences Publications
 
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Created: Mon, 13 Aug 2007, 17:00:49 EST