The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 23, 2021
Filed:
Sep. 02, 2015
Canon Kabushiki Kaisha, Tokyo, JP;
Kohei Takeno, Yokohama, JP;
Kaishi Ohashi, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
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.