Digital Camera with Spiral Odd-Symmetry Phase Grating Supports Full-Resolution Computational Refocussing

Patrick R. Gill; David G. Stork

doi:10.1364/SENSORS.2013.ST2B.4

Advanced Photonics 2013
OSA Technical Digest (online) (Optica Publishing Group, 2013),
paper ST2B.4
•https://doi.org/10.1364/SENSORS.2013.ST2B.4

Digital Camera with Spiral Odd-Symmetry Phase Grating Supports Full-Resolution Computational Refocussing

Patrick R. Gill and David G. Stork

Optical Sensors 2013

Rio Grande, Puerto Rico United States
14–17 July 2013
ISBN: 978-1-55752-981-7

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Micro and Nano-Engineered Sensors I (ST2B)

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P. R. Gill and D. G. Stork, "Digital Camera with Spiral Odd-Symmetry Phase Grating Supports Full-Resolution Computational Refocussing," in Advanced Photonics 2013, K. Ewing and M. Ferreira, eds., OSA Technical Digest (online) (Optica Publishing Group, 2013), paper ST2B.4.

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Abstract

Novel odd-symmetry phase gratings produce spatially varying depth-dependent point-spread functions on an imager’s sensor plane. The severely blurred sensed image can be inverted computationally to refocus and estimate target distances.

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