0118 静電駆動型DMによる波面収差補正アルゴリズムの開発(G10-4 動的設計,G10 機械力学・計測制御)

概要

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We fabricated a membrane deformable mirror (DM) for ophthalmologic adaptive optics and developed a novel algorithm to determine voltage of 85 electrodes of DM to compensate an arbitrary mirror shape. Voltage "templates" were created for each Zernike modes. Aberration was better cancelled using the superposition of the template in this study than the ones we reported earlier. We examined order dependence of the template superposition method and demonstrated that the compensation was improved as higher order Zernike modes were included in templates. We also applied the new algorithm to the aberration compensation directly, that is, without templates and compared the two methods. While the template superposition method provided faster modulation of DM, the direct application of the new algorithm resulted in more precise compensation. The combination of the two methods is effective in the compensation of the wavefront aberration of eyes.
社団法人日本機械学会の論文
2007-09-07