Wavefront sensor and relay for optical measurement and...

Details Wavefront sensor and relay for optical measurement and... Wavefront sensor and relay for optical measurement and...

G - Physics

01

J

G01J 9/00 (2006.01) A61B 3/103 (2006.01)

Patent

CA 2503235

An optical wavefront sensing system includes a lenslet array positioned for receiving an incoming wavefront. Downstream of the lenslet array is positioned an image transformer, which transforms the image emerging from the lenslet array at a focal plane thereof into a real image. A sensor is positioned at a final image plane for sensing the transformed image. This sensor may comprise, but not intended to be limited to, a charge-coupled-device (CCD) camera. The method for sensing an optical wavefront includes the steps of receiving an incoming wavefront using a lenslet array and transforming an image emerging from the lenslet array at a focal plane thereof into a real image. The transformed image positioned at a final image plane is then sensed, and, in a preferred embodiment, analyzed to determine wavefront distortions.

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