5 March 2003 Coarse phasing of a segmented mirror using a dispersed fringe sensor
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Abstract
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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Eric H. Smith, Gopal Vasudevan, Robert D. Reardon, Robert Bernier, Kenneth J. Triebes, "Coarse phasing of a segmented mirror using a dispersed fringe sensor", Proc. SPIE 4850, IR Space Telescopes and Instruments, (5 March 2003); doi: 10.1117/12.461577; https://doi.org/10.1117/12.461577
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