Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.5717m&link_type=abstract
American Astronomical Society, AAS Meeting #211, #57.17; Bulletin of the American Astronomical Society, Vol. 39, p.833
Astronomy and Astrophysics
Astronomy
Scientific paper
The Magdalena Ridge Observatory Interferometer will be a ten telescope optical interferometric array on top of the Magdalena Ridge at 3,320 meters. A dedicated fringe tracking beam combiner and spectrograph is being developed to remove atmospheric induced pathlength fluctuations between unit telescopes. Mirrors on modulators will be used to create a known optical path difference between combination partners, allowing these path differences to be calculated, and then corrected for by the delay lines. The modulator that has been chosen is undergoing thorough testing to determine if the stepping motion of the modulator is reliable and up to specifications. We must also determine if it can create the types of wave forms that are required. Real time motion control software is currently under development, and initial results are reported here.
Coleman T. A.
Jurgenson Colby A.
McCord Krista M.
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