Phase diversity experimental results: deconvolution of ν Scorpii

Details Phase diversity experimental results: deconvolution of ν Scorpii Phase diversity experimental results: deconvolution of ν Scorpii

Feb 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996optco.130...13c&link_type=abstract

Optics Communications, Volume 130, Issue 1-3, p. 13-19.

Physics

Optics

2

Scientific paper

This article reports results of a set of observations aimed at a validation of the phase diversity technique. The data were taken at the U.S. Air Force Maui Optical Site (AMOS) atop of mount Haleakela, in Maui, Hawaii, using the 81 centimeter, Beam Director Telescope (BDT). In this paper we present first a theoretical description of phase diversity. The phase diversity algorithm is formulated in the context of nonlinear programming where a metric is developed and then minimized. This development will show how the Zernike coefficients can be extracted directly using nonlinear optimization techniques. A detailed discussion of the experimental implementation follows. The multiple star which was observed was HD 145502, ν Scorpii. This article presents the results of using phase diversity for phase retrieval on ν Scorpii. The phase diversity technique demonstrates a great deal of robustness on this astronomical field data. Finally, a discussion of the results and some of the related signal to noise issues are presented.

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