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Proceedings Paper

Instability and chaos of CO2 laser induced by external optical feedback
Author(s): Chunming Gu; Ke Shen
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Paper Abstract

We present the numerical results of the dynamics of a single- mode homogeneously broadened CO2 laser system with external optical feedback. Firstly, we introduce the CO2 laser equations in which we added the team of optical feedback into the two-level single-mode CO2 laser equations. Secondly, the stability of the equations was analyzed and the equations was solved numerically. We find a little amount of optical feedback will induce the system from steady state to unsteady state and with the feedback increasing the system become periodic, quasiperiodic and finally chaotic states. The delay time will also affect the system stability. Lastly, the attractors and the power spectra of this system were given.

Paper Details

Date Published: 7 August 1998
PDF: 5 pages
Proc. SPIE 3549, High-Power Lasers: Solid State, Gas, Excimer, and Other Advanced Lasers II, (7 August 1998); doi: 10.1117/12.344122
Show Author Affiliations
Chunming Gu, Beijing Institute of Technology and Changchun Institute of Optics and Fine Mechanics (China)
Ke Shen, Changchun Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 3549:
High-Power Lasers: Solid State, Gas, Excimer, and Other Advanced Lasers II
Sui-Sheng Mei; Keith A. Truesdell, Editor(s)

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