Low order wavefront sensing and control for WFIRST-AFTA coronagraph

Shi, Fang; Balasubramanian, Kunjithapatham; Bartos, Randall; Hien, Randall; Kern, Brian; Krist, John; Lam, Raymond; Moore, Douglas; Moore, James; Patterson, Keith; Poberezhskiy, Ilya; Shields, Joel; Sidick, Erkin; Tang, Hong; Truong, Tuan; Tweddle, Brent; Wallace, Kent; Wang, Xu; Wilson, Dan

Low order wavefront sensing and control for WFIRST-AFTA coronagraph

Shi, Fang; Balasubramanian, Kunjithapatham; Bartos, Randall; Hien, Randall; Kern, Brian; Krist, John; Lam, Raymond; Moore, Douglas; Moore, James; Patterson, Keith; Poberezhskiy, Ilya; Shields, Joel; Sidick, Erkin; Tang, Hong; Truong, Tuan; Tweddle, Brent; Wallace, Kent; Wang, Xu; Wilson, Dan

URI: http://hdl.handle.net/2014/45753

Date: 2015-08-09

Keywords: exoplanets; stellar coronagraph

Publisher: Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2015

Citation: SPIE Optics + Photonics, San Diego, California, August 9-13, 2015

Abstract:

In this paper we will report the LOWFS/C testbed design and the preliminary in-air test results, which show a very promising performance of the Zernike wavefront sensor and FSM feedback loop.

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