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Proceedings Paper

Optical drift test of the long delay line stations on the Navy Prototype Optical Interferometer
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Paper Abstract

At the Navy Prototype Optical Interferometer (NPOI), during stellar fringe acquisition and tracking, optical stations along the NPOI vacuum line array remain in passive mode. Optical drift amplitude and rate must remain below certain limits lest stellar acquisition and fringe tracking become unachievable. Subsequent to each observation, relay mirrors are reconfigured within the long delay line stations to provide appropriate constant delays. The placement of these mirrors must be reliable and repeatable within certain tolerances. We describe the results of drift tests conducted on the current long delay line stations.

Paper Details

Date Published: 20 October 2004
PDF: 5 pages
Proc. SPIE 5491, New Frontiers in Stellar Interferometry, (20 October 2004); doi: 10.1117/12.550889
Show Author Affiliations
James H. Clark, Naval Research Lab. (United States)
James Murphy, Interferometrics, Inc. (United States)
Long Ha, Universities Space Research Association (United States)
Joshua P. Walton, Universities Space Research Association (United States)
James Howard, Naval Research Lab. (United States)
J. Thomas Armstrong, Naval Research Lab. (United States)
G. Charmaine Gilbreath, Naval Research Lab. (United States)
Robert B. Hindsley, Naval Research Lab. (United States)
Thomas A. Pauls, Naval Research Lab. (United States)

Published in SPIE Proceedings Vol. 5491:
New Frontiers in Stellar Interferometry
Wesley A. Traub, Editor(s)

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