title: Autonomous tip/tilt alignment and phasing of a distributed aperture imaging testbed.
abstract: Star-9 is an experimental demonstration of distributed aperture imaging built at the Lockheed Martin Advanced Technology Center. White light from a scene generator enters an array of nine actively controlled telescopes, and is combined at a focused image plane. This paper describes the algorithms used to automatically bring each telescope's relative tip/tilt and phasing errors to within the operational range of the control system. The algorithms work with point-sources as well as with extended scenes. Experimental results and software algorithms are presented.
authors.affiliation: Lockheed Martin Space Systems Company, Advanced Technology Center, 3251 Hanover St, Palo Alto, CA 94304, USA. melvin.s.ni@lmco.com
authors.forename: Mel
authors.initials: M
authors.lastname: Ni
authors.forename: Larry
authors.initials: L
authors.lastname: Benson
authors.forename: John
authors.initials: J
authors.lastname: Camp
authors.forename: Bruce
authors.initials: B
authors.lastname: Herman