Beam combiner studies for the Magdalena Ridge Observatory Interferometer

Details Beam combiner studies for the Magdalena Ridge Observatory Interferometer Beam combiner studies for the Magdalena Ridge Observatory Interferometer

Jul 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006spie.6268e..56b&link_type=abstract

Advances in Stellar Interferometry. Edited by Monnier, John D.; Schöller, Markus; Danchi, William C.. Proceedings of the SPIE,

Computer Science

1

Scientific paper

We present four alternative designs for a near-infrared science beam combiner for the Magdalena Ridge Observatory Interferometer. The candidate designs considered are: (1) a four way pupil-plane combiner, fed by a "fast switchyard" that would be reconfigured at a few minute intervals to select different subsets of six input beams; (2) a four way image-plane combiner, fed by a similar fast switchyard; (3) an eight way pupil plane combiner; and (4) a six way image plane combiner. The criteria by which fully-optimised versions of the designs will be compared include: realistic signal-to-noise and imaging speed, stability and ease of alignment and calibration, cost (including detector costs), and technical and schedule risk to the MROI project.

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