Curvature sensing and compensation - A computer simulation

Details Curvature sensing and compensation - A computer simulation Curvature sensing and compensation - A computer simulation

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989spie.1114...92r&link_type=abstract

IN: Active telescope systems; Proceedings of the Meeting, Orlando, FL, Mar. 28-31, 1989 (A90-30852 12-74). Bellingham, WA, Socie

Physics

Optics

5

Adaptive Optics, Atmospheric Correction, Computerized Simulation, Curvature, Image Processing, Equations Of Motion, Mirrors, Wave Front Reconstruction

Scientific paper

A computer simulation is conducted for the concept of curvature sensing/compensation in adaptive optics. The use of an entirely analog closed-loop adaptive optics system is found to be feasible for the case of a curvature sensor and a membrane mirror. In order to perform satisfactorily, each membrane electrode is found to require the reception of a linear combination of signals from its associated detector and its neighbors. It is established that aberrations exhibiting circular symmetry are more easily corrected than asymmetric aberrations.

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