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Proceedings Paper

Multi-baseline bootstrapping at the Navy precision optical interferometer
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Paper Abstract

The Navy Precision Optical Interferometer (NPOI) was designed from the beginning to support baseline boot- strapping with equally-spaced array elements. The motivation was the desire to image the surfaces of resolved stars with the maximum resolution possible with a six-element array. Bootstrapping two baselines together to track fringes on a third baseline has been used at the NPOI for many years, but the capabilities of the fringe tracking software did not permit us to bootstrap three or more baselines together. Recently, both a new backend (VISION; Tennessee State Univ.) and new hardware and firmware (AZ Embedded Systems and New Mexico Tech, respectively) for the current hybrid backend have made multi-baseline bootstrapping possible.

Paper Details

Date Published: 24 July 2014
PDF: 5 pages
Proc. SPIE 9146, Optical and Infrared Interferometry IV, 91460K (24 July 2014); doi: 10.1117/12.2055209
Show Author Affiliations
J. T. Armstrong, U.S. Naval Research Lab. (United States)
H. R. Schmitt, U.S. Naval Research Lab. (United States)
D. Mozurkewich, Seabrook Engineering (United States)
A. M. Jorgensen, New Mexico Institute of Mining and Technology (United States)
M. W. Muterspaugh, Tennessee State Univ. (United States)
E. K. Baines, U.S. Naval Research Lab. (United States)
J. A. Benson, U.S. Naval Observatory (United States)
Robert T. Zavala, U.S. Naval Observatory (United States)
D. J. Hutter, U.S. Naval Observatory (United States)

Published in SPIE Proceedings Vol. 9146:
Optical and Infrared Interferometry IV
Jayadev K. Rajagopal; Michelle J. Creech-Eakman; Fabien Malbet, Editor(s)

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