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Proceedings Paper

The MROI fringe tracker: first fringe experiment
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Paper Abstract

The MROI fringe tracking beam combiner will be the first fringe instrument for the interferometer. It was designed to utilize the array geometry and maximize sensitivity to drive the interferometer for faint source imaging. Two primary concerns have driven the design philosophy: 1) maintaining high throughput and visibilities in broadband polarized light, and 2) mechanical stability. The first concern was addressed through tight fabrication tolerances of the combiner substrates, and custom coatings. In order to optimize mechanical stability, a unique modular design approach was taken that minimizes the number of internal adjustments. This paper reports initial laboratory fringe and stability measurements.

Paper Details

Date Published: 21 July 2010
PDF: 11 pages
Proc. SPIE 7734, Optical and Infrared Interferometry II, 773446 (21 July 2010); doi: 10.1117/12.857128
Show Author Affiliations
C. Jurgenson, New Mexico Institute of Mining and Technology (United States)
F. Santoro, New Mexico Institute of Mining and Technology (United States)
T. McCracken, New Mexico Institute of Mining and Technology (United States)
K. McCord, New Mexico Institute of Mining and Technology (United States)
A. Shtromberg, New Mexico Institute of Mining and Technology (United States)
D. Klinglesmith, New Mexico Institute of Mining and Technology (United States)
A. Olivarez, New Mexico Institute of Mining and Technology (United States)
D. Buscher, Univ. of Cambridge (United Kingdom)
M. Creech-Eakman, New Mexico Institute of Mining and Technology (United States)
C. Haniff, Univ. of Cambridge (United Kingdom)
J. Young, Univ. of Cambridge (United Kingdom)


Published in SPIE Proceedings Vol. 7734:
Optical and Infrared Interferometry II
William C. Danchi; Françoise Delplancke; Jayadev K. Rajagopal, Editor(s)

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