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Proceedings Paper

Longitudinal Supermode Analysis Of Two Coupled CO2 Lasers
Author(s): Dwight M. Walsh
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Paper Abstract

A homogeneously broadened system of two coupled lasers is studied using the longitudinal double-cavity supermodes as a basis set for expanding the field and polarization of the system. This approach is valid for strong as well as weak coupling of the lasers. A system of two self-consistent field equations for the field amplitude En and phase On of the nth supermode are obtained. Assuming only one supermode in the system, these equations are solved in steady-state to obtain the steady-state field amplitude and operating frequency of that supermode. The system is defined as phase-locked if neighboring supermodes, arising from small deviations for steady-state, do not grow with time. Tuning curves and locking ranges calculated with these methods were found to be in good agreement with those obtained from an experiment with a system of two coupled CO2 lasers.

Paper Details

Date Published: 25 November 1986
PDF: 12 pages
Proc. SPIE 0642, Modeling and Simulation of Optoelectronic Systems, (25 November 1986); doi: 10.1117/12.975484
Show Author Affiliations
Dwight M. Walsh, Air Force Weapons Laboratory (United States)

Published in SPIE Proceedings Vol. 0642:
Modeling and Simulation of Optoelectronic Systems
John Dugan O'Keefe, Editor(s)

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