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METHOD FOR DEPTH RESOLVED WAVEFRONT SENSING, DEPTH RESOLVED WAVEFRONT SENSORS AND METHOD AND APPARATUS FOR OPTICAL IMAGING

  • US 20110134436A1
  • Filed: 04/21/2010
  • Published: 06/09/2011
  • Est. Priority Date: 04/29/2009
  • Status: Active Grant
First Claim
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1. A method for depth resolved wavefront sensing of an optical beam reflected or transmitted by an object, the method comprisingusing a wavefront sensing principle to sense aberration information from a plurality of depths defining a depth interval range of the wavefront sensing principle within the object;

  • andusing a low coherence interferometry method with a coherence gate to reduce the plurality of depths and narrow the depth interval range of the wavefront sensing principle to the depth interval defined by the coherence gate.

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