Extended depth of focus and aberration correction using time multiplexing

Asaf Ilovitsh; Gilad Rand; Shilo Levavi; Zeev Zalevsky

doi:10.1117/12.2250273

Extended depth of focus and aberration correction using time multiplexing

Asaf Ilovitsh, Gilad Rand, Shilo Levavi, Zeev Zalevsky

Bar-Ilan University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

We propose using the time multiplexing super resolution method in order to extend the depth of focus of an imaging system. In standard time multiplexing the super resolution is achieved by generating duplication of the optical transfer function in the spectrum domain by using moving gratings. By changing the grating's frequency, and by that changing the duplication positions, it is possible to obtain an extended depth of focus. Using the same concept, it is also possible to correct geometrical aberrations of the imaging lens. The proposed method is presented analytically, demonstrated via numerical simulations, and validated by a laboratory experiments.

Original language	English
Title of host publication	Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XIV
Editors	Dan V. Nicolau, Dror Fixler, Alexander N. Cartwright
Publisher	SPIE
ISBN (Electronic)	9781510605954
DOIs	https://doi.org/10.1117/12.2250273
State	Published - 2017
Event	Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XIV 2017 - San Francisco, United States Duration: 30 Jan 2017 → 1 Feb 2017

Publication series

Name	Progress in Biomedical Optics and Imaging - Proceedings of SPIE
Volume	10077
ISSN (Print)	1605-7422

Conference

Conference	Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XIV 2017
Country/Territory	United States
City	San Francisco
Period	30/01/17 → 1/02/17

Bibliographical note

Publisher Copyright:
© 2017 SPIE.

Keywords

Aberrations
Image processing
Super resolution

Access to Document

10.1117/12.2250273

Cite this

Ilovitsh, A., Rand, G., Levavi, S., & Zalevsky, Z. (2017). Extended depth of focus and aberration correction using time multiplexing. In D. V. Nicolau, D. Fixler, & A. N. Cartwright (Eds.), Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XIV Article 100770Q (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; Vol. 10077). SPIE. https://doi.org/10.1117/12.2250273

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abstract = "We propose using the time multiplexing super resolution method in order to extend the depth of focus of an imaging system. In standard time multiplexing the super resolution is achieved by generating duplication of the optical transfer function in the spectrum domain by using moving gratings. By changing the grating's frequency, and by that changing the duplication positions, it is possible to obtain an extended depth of focus. Using the same concept, it is also possible to correct geometrical aberrations of the imaging lens. The proposed method is presented analytically, demonstrated via numerical simulations, and validated by a laboratory experiments.",

keywords = "Aberrations, Image processing, Super resolution",

author = "Asaf Ilovitsh and Gilad Rand and Shilo Levavi and Zeev Zalevsky",

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year = "2017",

doi = "10.1117/12.2250273",

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Ilovitsh, A, Rand, G, Levavi, S & Zalevsky, Z 2017, Extended depth of focus and aberration correction using time multiplexing. in DV Nicolau, D Fixler & AN Cartwright (eds), Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XIV., 100770Q, Progress in Biomedical Optics and Imaging - Proceedings of SPIE, vol. 10077, SPIE, Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XIV 2017, San Francisco, United States, 30/01/17. https://doi.org/10.1117/12.2250273

Extended depth of focus and aberration correction using time multiplexing. / Ilovitsh, Asaf; Rand, Gilad; Levavi, Shilo et al.
Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XIV. ed. / Dan V. Nicolau; Dror Fixler; Alexander N. Cartwright. SPIE, 2017. 100770Q (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; Vol. 10077).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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N2 - We propose using the time multiplexing super resolution method in order to extend the depth of focus of an imaging system. In standard time multiplexing the super resolution is achieved by generating duplication of the optical transfer function in the spectrum domain by using moving gratings. By changing the grating's frequency, and by that changing the duplication positions, it is possible to obtain an extended depth of focus. Using the same concept, it is also possible to correct geometrical aberrations of the imaging lens. The proposed method is presented analytically, demonstrated via numerical simulations, and validated by a laboratory experiments.

AB - We propose using the time multiplexing super resolution method in order to extend the depth of focus of an imaging system. In standard time multiplexing the super resolution is achieved by generating duplication of the optical transfer function in the spectrum domain by using moving gratings. By changing the grating's frequency, and by that changing the duplication positions, it is possible to obtain an extended depth of focus. Using the same concept, it is also possible to correct geometrical aberrations of the imaging lens. The proposed method is presented analytically, demonstrated via numerical simulations, and validated by a laboratory experiments.

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Extended depth of focus and aberration correction using time multiplexing

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