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Proceedings Paper

Operating Point Choice In Unstable Confocal Resonators
Author(s): P. Kellen; M. Smith
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Paper Abstract

Variation in coupling of unstable resonators is analyzed for the case of low order medium inhomogeneities. The analysis examines one-dimensional confocal unstable resonators with linear or quadratic index profiles in the resonator medium. These types of effects can arise from the bulk and wall heating present in gas lasers. The analysis shows that both the effective Fresnel number and the geometric magnification influence the local stability of the design point coupling. Choosing the Fresnel number to maximize mode loss separation may not be consistent with the choice of Fresnel number to minimize the influence of medium variations.

Paper Details

Date Published: 17 August 1978
PDF: 6 pages
Proc. SPIE 0138, Advances in Laser Technology III: Emphasizing Gaseous Lasers, (17 August 1978); doi: 10.1117/12.956230
Show Author Affiliations
P. Kellen, Avco Everett Research Laboratory, Inc. (United States)
M. Smith, Avco Everett Research Laboratory, Inc. (United States)


Published in SPIE Proceedings Vol. 0138:
Advances in Laser Technology III: Emphasizing Gaseous Lasers
David Finkleman; Joseph Stregack, Editor(s)

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