Reflective holographic scanning insensitive to spinner...

Details Reflective holographic scanning insensitive to spinner... Reflective holographic scanning insensitive to spinner...

G - Physics

03

H

88/0.1

G03H 1/00 (2006.01) G02B 26/10 (2006.01)

Patent

CA 1128789

-1- ABSTRACT A holographic scanning system includes a reflec- tive type holographic spinner having a plurality of diffraction gratings on its surface. A reconstruction wavefront incident on a non-grating surface of the spinner is reflected into a corrective optical element which displaces and redirects the wavefront so that it is incident at the grating at an angle corrected for the effects of spinner wobble.

351702

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