Importance

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Abstract

When amounts of change in shape of a plurality of deforming portions of the deformable mirror are adjusted, the deformable mirror including: a mirror surface in which the plurality of deforming portions are set and changes in shape of the deforming portions have influence on one another; and a plurality of deforming means for changing shapes of the plurality of deforming portions of the mirror surface respectively in response to control signals from the outside, and the deformable mirror changing a three-dimensional shape of the mirror surface in a segment-to-segment basis in a way that the deforming means change the shapes of the deforming portions of the mirror surface, reflected light, which has been outputted from a predetermined light source, and which has been reflected by the mirror surface, is detected at a predetermined position; the detected, reflected light is evaluated in accordance with a predetermined criteria; and the amounts of change in shape of the plurality of deforming portions are adjusted by supplying the control signals to the plurality of deforming means to optimize the reflected light by use of a genetic algorithm, based on a result of the evaluating of the reflected light. By this, amounts of operations of the plurality of deforming means which change shapes of the plurality of deforming portions of the mirror surface of the deformable mirror which have influence on one another can be automatically adjusted to optimize the reflected light in a short length of time without depending on a skilled person.

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First Claim