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:
Jan. 12, 2010
Filed:
Dec. 13, 2006
Mark A. Stevens, Oviedo, FL (US);
Allen C. Layton, Windermere, FL (US);
Mark A. Stevens, Oviedo, FL (US);
Allen C. Layton, Windermere, FL (US);
Lockheed Martin Corporation, Bethesda, MD (US);
Abstract
An apparatus rapidly reads out wavefront errors of an input wavefront and includes a holographic optical element (HOE), a position readout detector and a readout device. The HOE receives the input wavefront and includes a hologram of a particular wavefront recorded with reference waves, each defining a particular aberration coefficient. The position readout detector includes a plurality of position sensing devices (PSDs) receiving an optical output of the HOE, each PSD sensing the occurrence and magnitude in the input wavefront of any of the particular aberrations defined by the reference waves recorded to the holographic optical element with the particular wavefront. The readout device provides a readout value of each PSD upon application of the input wavefront to the holograph optical element, each readout value representing in the input wavefront the presence and magnitude of any of the particular aberrations defined by the reference waves.
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