Atmospheric fluctuation measurements with the Mk III interferometer and the power spectra of everything.

Details Atmospheric fluctuation measurements with the Mk III interferometer and the power spectra of everything. Atmospheric fluctuation measurements with the Mk III interferometer and the power spectra of everything.

Mar 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992esoc...39.1029b&link_type=abstract

2. ESO Conference on High Resolution Imaging by Interferometry, Part II, p. 1029 - 1038

Physics

7

Scientific paper

Knowledge of the spectrum of the wavefront phase fluctuations caused by atmospheric seeing is essential to the design of the next generation of optical interferometers, but little empirical data exists. The authors report measurements of power spectra of the white-light fringe motion in the Mk III interferometer under a wide variety of conditions. Most of the temporal power spectra agree with those predicted from the standard Tatarski theory with a large (several km) outer scale, but data obtained with rapid switching of baselines indicate an outer scale of order 30 meters. The authors discuss how these results can be reconciled.

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