Temporal power spectra of Zernike coefficients

Theo Armand ten Brummelaar

doi:10.1117/12.177258

9 June 1994 Temporal power spectra of Zernike coefficients

Theo Armand ten Brummelaar

Proceedings Volume 2200, Amplitude and Intensity Spatial Interferometry II; (1994) https://doi.org/10.1117/12.177258
Event: 1994 Symposium on Astronomical Telescopes and Instrumentation for the 21st Century, 1994, Kailua, Kona, HI, United States

Abstract

In order to design adaptive optics systems and to study the effect of atmospheric turbulence on astronomical images it is helpful to know the temporal power spectra of the various Zernike polynomial terms. These coefficients correspond directly to standard aberration terminology like tilt, astigmatism, spherical aberration and so on. An analytical method based on work by Roddier et al. for predicting these power spectra using the current average wind speed, Frieds parameter r_(Omicron ) and the aperture size is presented along with some experimental results testing their predictive power. The data are also shown to confirm the important results of Fried as well as Noll.

Citation Download Citation

Theo Armand ten Brummelaar "Temporal power spectra of Zernike coefficients", Proc. SPIE 2200, Amplitude and Intensity Spatial Interferometry II, (9 June 1994); https://doi.org/10.1117/12.177258

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