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20 June 1989 Empty Unstable Resonator Misalignment Effects And Their Sensitivity To Resonator Magnification
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Proceedings Volume 1031, 7th Intl Symp on Gas Flow and Chemical Lasers; (1989) https://doi.org/10.1117/12.950563
Event: 7th International Symposium on Gas Flow and Chemical Lasers, 1988, Vienna, Austria
Abstract
We have previously investigated effects of misalignment in empty unstable strip resonators for various ranges of equivalent Fresnel number, Feq, for a fixed value of magnification, M, of 2.0. When Feq is fixed near N + 3/8 and the misalignment parameter ε is allowed to vary, the power retention ratio PR is quasi-oscillatory and behaves poorly for certain values of ε, including fairly small misalignments such as could readily occur inadvertently. The present work extends misalignment investigations to a variety of values of magnification, including 1.6, 1.8, 2.0, 2.2, and 2.5. The same qualitative conclusions apply for all values of magnification, but the magnitude of the variations in PR as a function of 6 becomes less pronounced as magnification is increased.
© (1989) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Charles Cason, R. W. Jones, and J. F. Perkins "Empty Unstable Resonator Misalignment Effects And Their Sensitivity To Resonator Magnification", Proc. SPIE 1031, 7th Intl Symp on Gas Flow and Chemical Lasers, (20 June 1989); https://doi.org/10.1117/12.950563
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