Coarse phasing of a segmented mirror using a dispersed fringe sensor

Details Coarse phasing of a segmented mirror using a dispersed fringe sensor Coarse phasing of a segmented mirror using a dispersed fringe sensor

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003spie.4850..469s&link_type=abstract

IR Space Telescopes and Instruments. Edited by John C. Mather . Proceedings of the SPIE, Volume 4850, pp. 469-477 (2003).

Mathematics

2

Scientific paper

Dispersed fringe sensor (DFS) using broadband point source can
unambiguously estimate piston to several hundred microns. We demonstrate
a rapid technique to analyze the data from a DFS. The technique is less
susceptible to higher order aberrations and returns the average phase
difference between two aperture elements.

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