Phase Transfer Function of Sampled Imaging Systems

Vikrant R. Bhakta; Manjunath Somayaji; Marc P. Christensen

doi:10.1364/COSI.2011.CTuB1

Imaging and Applied Optics
OSA Technical Digest (CD) (Optica Publishing Group, 2011),
paper CTuB1
•https://doi.org/10.1364/COSI.2011.CTuB1

Phase Transfer Function of Sampled Imaging Systems

Vikrant R. Bhakta, Manjunath Somayaji, and Marc P. Christensen

Computational Optical Sensing and Imaging 2011

Toronto Canada
10–14 July 2011
ISBN: 978-1-55752-914-5

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PSF Engineering and Pupil Encoding (CTuB)

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V. R. Bhakta, M. Somayaji, and M. P. Christensen, "Phase Transfer Function of Sampled Imaging Systems," in Imaging and Applied Optics, OSA Technical Digest (CD) (Optica Publishing Group, 2011), paper CTuB1.

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Abstract

We analyze the effects of aliasing and sampling phase on the PTF of sampled imaging systems. We present an image-based PTF estimation method and propose through-focus PTF as a tool for characterizing wavefront coding imagers.

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