Wavefront Coding
Wavefront Coding
Wavefront Coding
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Decomposition of OTF• Defocus:• For a given spatial frequency,OTF components curl followinga circleH ( f ) = ∫ P( r + f ) P * ( r − f )dr• Cubic phase modulation:• For a given spatial frequency, OTFcomponents depict a Cornu spiral• Defocus unwinds the spiral andproduces no zeros in MTFOTFHnL w 20 20 = = 1ê2 1ê6 1ê3 5ê6 01nOTFOTFReImG. Muyo and A. R. Harvey, Opt. Lett. 30, 2715-2717 (2005)23
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