NMSU EORL adaptive optics testbed and its performance evaluation

Details NMSU EORL adaptive optics testbed and its performance evaluation NMSU EORL adaptive optics testbed and its performance evaluation

Aug 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005spie.5894..269t&link_type=abstract

Advanced Wavefront Control: Methods, Devices, and Applications III. Edited by Gruneisen, Mark T.; Gonglewski, John D.; Giles, M

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In this paper, we present a novel adaptive optics testbed and its performance evaluation procedures. The testbed was built in the New Mexico State University (NMSU) Electro-optics Research Laboratory (EORL). NMSU's EORL adaptive optics testbed includes a tip-tilt error compensation system and a higher-order phase aberration compensation system. The tip-tilt error compensation was completed using a fast steering mirror with a quadrant cell detector. The higher-order phase aberration compensation was achieved using a 37-actuator deformable mirror and image sharpness with a stochastic parallel gradient descent algorithm (SPGDA). A metric optimization process was added in the SPGDA to fit an 8-bit deformable mirror control card. The system performance is evaluated using both static and dynamic phase aberration test conditions.

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