Optomechanical design of the Micro-Arcsecond Metrology testbed interferometer

Andrew E. Carlson; Stuart B. Shaklan; Randall D. Bartos; Steven L. Azevedo

doi:10.1117/12.317183

24 July 1998 Optomechanical design of the Micro-Arcsecond Metrology testbed interferometer

Andrew E. Carlson, Stuart B. Shaklan, Randall D. Bartos, Steven L. Azevedo

Proceedings Volume 3350, Astronomical Interferometry; (1998) https://doi.org/10.1117/12.317183
Event: Astronomical Telescopes and Instrumentation, 1998, Kona, HI, United States

Abstract

The Micro Arcsecond Metrology Testbed (MAM) is a laboratory- based, long baseline, white-light interferometer inside a vibration-isolated vacuum tank. The single baseline, high precision interferometer will be able to observe a translating, artificial star at a distance of 10.74 meters with 5 μ as accuracy. The MAM testbed consists of an artificial star, laser metrology and a high precision interferometer. This paper addresses the design and characteristics of the interferometer. The interferometer functions include both angle- and optical-path tracking. The optics are arranged to from dispersed fringes in a channeled spectrum on a charge coupled device and a true white-light fringe on an avalanche photodiode, while at the same time producing guide spots for angle tracking.

Citation Download Citation

Andrew E. Carlson, Stuart B. Shaklan, Randall D. Bartos, and Steven L. Azevedo "Optomechanical design of the Micro-Arcsecond Metrology testbed interferometer", Proc. SPIE 3350, Astronomical Interferometry, (24 July 1998); https://doi.org/10.1117/12.317183

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