A flexible testbed for adaptive optics in strong turbulence

Jason D. Schmidt; Michael J. Steinbock; Eric C Berg

doi:10.1117/12.889139

25 May 2011 A flexible testbed for adaptive optics in strong turbulence

Jason D. Schmidt, Michael J. Steinbock, Eric C Berg

Proceedings Volume 8038, Atmospheric Propagation VIII; 80380O (2011) https://doi.org/10.1117/12.889139
Event: SPIE Defense, Security, and Sensing, 2011, Orlando, Florida, United States

Abstract

In recent years, optical wave propagation through strong atmospheric turbulence and adaptive optics compensation thereof has received much attention in literature and technical meetings. At the Air Force Institute of Technology, recent simulation-based efforts in strong turbulence compensation are expanding into laboratory experiments utilizing a versatile surrogate turbulence simulator and adaptive optics system. The system can switch between using two different wavefront sensors, a Shack-Hartmann and a self-referencing interferometer. Wavefront reconstruction takes place on field programmable gate arrays, operating at kilohertz frame rates. Further, the system is able to perform reconstruction and control in software for testing of advanced algorithms (at frame rates below 10 Hz). The entire package is compact enough for transportation to other laboratories and live test facilities. This paper describes the optical layout, architecture, and initial results of real-time operation.

Citation Download Citation

Jason D. Schmidt, Michael J. Steinbock, and Eric C Berg "A flexible testbed for adaptive optics in strong turbulence", Proc. SPIE 8038, Atmospheric Propagation VIII, 80380O (25 May 2011); https://doi.org/10.1117/12.889139

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