Theory and operation of a robust controller for a compact adaptive optics system

Benjamin West Frazier; Robert K. Tyson; Mark Smith; Jacqueline Roche

doi:10.1117/1.1814768

1 December 2004 Theory and operation of a robust controller for a compact adaptive optics system

Benjamin West Frazier, Robert K. Tyson, Mark Smith, Jacqueline Roche

Author Affiliations +

Optical Engineering, Vol. 43, Issue 12, (December 2004). https://doi.org/10.1117/1.1814768

Abstract

We describe the design and operation of a high-speed adaptive optics system using a robust H_∞ controller. The system is also general purpose—it can be used in almost any application with minimal modifications and can be set up and operated by a minimally trained operator. The demonstrated system uses a wavefront sensor camera operating at 955 frames/s, a Xinetics 37-channel deformable mirror, and a dual processor computer to perform computations. The system exhibits control of up to 5 waves of focus, a closed-loop bandwidth of ~50 Hz, with a residual error of λ/75 rms.

©(2004) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Benjamin West Frazier, Robert K. Tyson, Mark Smith, and Jacqueline Roche "Theory and operation of a robust controller for a compact adaptive optics system," Optical Engineering 43(12), (1 December 2004). https://doi.org/10.1117/1.1814768

Published: 1 December 2004

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