Abstract
Stabilization techniques for a wavefront correction system using a Shack-Hartmann wavefront sensor and a membrane deformable mirror (DM) for robust image acquisition were investigated in this research. Though stability of a closed-loop wavefront correction system is essential in practical fields, stability is decreased when the system spends voltage resources to correct non-meaningful residual distortions. In this research, adaptive limit control techniques were devised to ensure the long-term stability of a wavefront correction system. An adaptive deformation technique for the outer non-active actuators of a membrane deformable mirror was adopted to improve the correction efficiency of the wavefront correction system. The experimental results corrected for wavefront distortions by using a configured wavefront correction system were described in this research.
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Park, SK., Baik, SH., Park, NG. et al. Stability improvement of a wavefront correction system for robust image acquisition. Journal of the Korean Physical Society 65, 117–124 (2014). https://doi.org/10.3938/jkps.65.117
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DOI: https://doi.org/10.3938/jkps.65.117