24 July 2014 Multi-baseline bootstrapping at the Navy precision optical interferometer
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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.
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J. T. Armstrong, H. R. Schmitt, D. Mozurkewich, A. M. Jorgensen, M. W. Muterspaugh, E. K. Baines, J. A. Benson, Robert T. Zavala, D. J. Hutter, "Multi-baseline bootstrapping at the Navy precision optical interferometer", Proc. SPIE 9146, Optical and Infrared Interferometry IV, 91460K (24 July 2014); doi: 10.1117/12.2055209; https://doi.org/10.1117/12.2055209
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