Angular spectrum calculations for arbitrary focal length with a scaled convolution | Zendy

Satoru Odate | Zendy; Chiaki Koike | Zendy; Hidemitsu Toba | Zendy; Tetsuya Koike | Zendy; Ayako Sugaya | Zendy; Katsumi Sugisaki | Zendy; Katsura Otaki | Zendy; Kiyoshi Uchikawa | Zendy

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Angular spectrum calculations for arbitrary focal length with a scaled convolution

Author(s) -

Satoru Odate,

Chiaki Koike,

Hidemitsu Toba,

Tetsuya Koike,

Ayako Sugaya,

Katsumi Sugisaki,

Katsura Otaki,

Kiyoshi Uchikawa

Publication year - 2011

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.19.014268

Subject(s) - optics , convolution (computer science) , nyquist–shannon sampling theorem , angular spectrum method , focal length , computation , physics , cardinal point , lens (geology) , nyquist frequency , spectrum (functional analysis) , mathematics , mathematical analysis , diffraction , computer science , algorithm , computer vision , filter (signal processing) , quantum mechanics , machine learning , artificial neural network

Nyquist sampling theorem in an image calculation with angular spectrum method restricts a propagation distance and a focal length of a lens. In order to avoid these restrictions, we studied suitable expressions for the image computations depending on their conditions. Additionally, a lateral scale in an observation plane can be magnified freely by using a scaled convolution in each expression.

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