Empty Unstable Resonator Misalignment Effects And Their Sensitivity To Resonator Magnification

Charles Cason; R. W. Jones; J. F. Perkins

doi:10.1117/12.950563

20 June 1989 Empty Unstable Resonator Misalignment Effects And Their Sensitivity To Resonator Magnification

Charles Cason, R. W. Jones, J. F. Perkins

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.

Citation Download Citation

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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