DEFORMABLE MIRROR SYSTEM, CONTROL METHOD THEREFOR, AND OPHTHALMIC APPARATUS

摘要

For reducing a time utilized in an AO process, provided is a deformable mirror system, including: a deformable mirror capable of changing a shape of a reflecting surface by a deformation amount in accordance with an input signal; a light wavefront measurement apparatus configured to measure a light wavefront shape of reflected light from the deformable mirror; a conversion factor calculation apparatus configured to calculate a conversion factor used in obtaining the input signal from a variation in light wavefront shape of the reflected light with respect to a change in input signal; a shape difference calculation apparatus configured to calculate a shape difference between the light wavefront shape measured by the light wavefront measurement apparatus and a light wavefront shape calculated from the input signal; and a conversion factor update unit configured to update the conversion factor in accordance with the calculated shape difference.

主权项

1. A deformable mirror system, comprising:
a deformable mirror capable of changing a shape of a reflecting surface by a deformation amount in accordance with an input signal; a light wavefront measurement unit configured to measure a light wavefront shape of reflected light from the deformable mirror; a conversion factor calculation unit configured to calculate a conversion factor used in obtaining the input signal from a variation in light wavefront shape of the reflected light with respect to a change in input signal; a shape difference calculation unit configured to calculate a shape difference between the light wavefront shape measured by the light wavefront measurement unit and a light wavefront shape based on the input signal; and a conversion factor update unit configured to update the conversion factor in accordance with the calculated shape difference.