Super-bandwidth two-step phase-shifting off-axis digital holography by optimizing two-dimensional spatial frequency sampling scheme

Behnam Tayebi; Jeong Hoon Park; Jae Ho Han

doi:10.1109/ACCESS.2019.2942849

Super-bandwidth two-step phase-shifting off-axis digital holography by optimizing two-dimensional spatial frequency sampling scheme

Behnam Tayebi, Jeong Hoon Park, Jae Ho Han

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

The presence of the auto correlation and twin cross correlation noises restrict the available spatial bandwidth of the holographic microscopy to much less than the available bandwidth of the digital sensor. Therefore, in order to record the same image area as conventional 2D intensity imaging techniques, several images should be taken. We present two-step phase-shifting off-axis digital holography with maximum space-bandwidth product for three-dimensional (3D) digital holography. Removing the autocorrelation term using a two-step phase-shifting technique significantly increases the available bandwidth for off-axis interferometry. An optimizing super-diagonal two-dimensional (2D) spatial frequency sampling scheme at the sub-Nyquist frequency is employed for performing off-axis interferometry in the absence of the autocorrelation term. The spatial bandwidth of the proposed two-step phase-shifting technique is 400% of that in square scheme off-axis digital holography. Experimental results demonstrate the feasibility of this technique in extracting the 3D morphology of transparent microscopic objects with a larger bandwidth.

Original language	English
Article number	8846027
Pages (from-to)	136836-136841
Number of pages	6
Journal	IEEE Access
Volume	7
DOIs	https://doi.org/10.1109/ACCESS.2019.2942849
Publication status	Published - 2019

Bibliographical note

Funding Information:
This work was supported in part by the Ministry of Science and ICT (MSIT), South Korea, under the Information Technology Research Center (ITRC) support program supervised by the Institute for Information and Communications Technology Planning and Evaluation (IITP) under Grant IITP-2019-2016-0-00464, in part by the National Research Foundation of Korea (NRF) grant funded by the Korean Government under Grant NRF-2017R1A2B2003808, and in part by the LG Yonam Foundation of Korea.

Publisher Copyright:
© 2013 IEEE.

Keywords

Holography
interferometry
microscopy
sampling methods

ASJC Scopus subject areas

General Computer Science
General Materials Science
General Engineering

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10.1109/ACCESS.2019.2942849

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title = "Super-bandwidth two-step phase-shifting off-axis digital holography by optimizing two-dimensional spatial frequency sampling scheme",

abstract = "The presence of the auto correlation and twin cross correlation noises restrict the available spatial bandwidth of the holographic microscopy to much less than the available bandwidth of the digital sensor. Therefore, in order to record the same image area as conventional 2D intensity imaging techniques, several images should be taken. We present two-step phase-shifting off-axis digital holography with maximum space-bandwidth product for three-dimensional (3D) digital holography. Removing the autocorrelation term using a two-step phase-shifting technique significantly increases the available bandwidth for off-axis interferometry. An optimizing super-diagonal two-dimensional (2D) spatial frequency sampling scheme at the sub-Nyquist frequency is employed for performing off-axis interferometry in the absence of the autocorrelation term. The spatial bandwidth of the proposed two-step phase-shifting technique is 400% of that in square scheme off-axis digital holography. Experimental results demonstrate the feasibility of this technique in extracting the 3D morphology of transparent microscopic objects with a larger bandwidth.",

keywords = "Holography, interferometry, microscopy, sampling methods",

author = "Behnam Tayebi and Park, {Jeong Hoon} and Han, {Jae Ho}",

note = "Funding Information: This work was supported in part by the Ministry of Science and ICT (MSIT), South Korea, under the Information Technology Research Center (ITRC) support program supervised by the Institute for Information and Communications Technology Planning and Evaluation (IITP) under Grant IITP-2019-2016-0-00464, in part by the National Research Foundation of Korea (NRF) grant funded by the Korean Government under Grant NRF-2017R1A2B2003808, and in part by the LG Yonam Foundation of Korea. Publisher Copyright: {\textcopyright} 2013 IEEE.",

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language = "English",

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pages = "136836--136841",

journal = "IEEE Access",

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N1 - Funding Information: This work was supported in part by the Ministry of Science and ICT (MSIT), South Korea, under the Information Technology Research Center (ITRC) support program supervised by the Institute for Information and Communications Technology Planning and Evaluation (IITP) under Grant IITP-2019-2016-0-00464, in part by the National Research Foundation of Korea (NRF) grant funded by the Korean Government under Grant NRF-2017R1A2B2003808, and in part by the LG Yonam Foundation of Korea. Publisher Copyright: © 2013 IEEE.

PY - 2019

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N2 - The presence of the auto correlation and twin cross correlation noises restrict the available spatial bandwidth of the holographic microscopy to much less than the available bandwidth of the digital sensor. Therefore, in order to record the same image area as conventional 2D intensity imaging techniques, several images should be taken. We present two-step phase-shifting off-axis digital holography with maximum space-bandwidth product for three-dimensional (3D) digital holography. Removing the autocorrelation term using a two-step phase-shifting technique significantly increases the available bandwidth for off-axis interferometry. An optimizing super-diagonal two-dimensional (2D) spatial frequency sampling scheme at the sub-Nyquist frequency is employed for performing off-axis interferometry in the absence of the autocorrelation term. The spatial bandwidth of the proposed two-step phase-shifting technique is 400% of that in square scheme off-axis digital holography. Experimental results demonstrate the feasibility of this technique in extracting the 3D morphology of transparent microscopic objects with a larger bandwidth.

AB - The presence of the auto correlation and twin cross correlation noises restrict the available spatial bandwidth of the holographic microscopy to much less than the available bandwidth of the digital sensor. Therefore, in order to record the same image area as conventional 2D intensity imaging techniques, several images should be taken. We present two-step phase-shifting off-axis digital holography with maximum space-bandwidth product for three-dimensional (3D) digital holography. Removing the autocorrelation term using a two-step phase-shifting technique significantly increases the available bandwidth for off-axis interferometry. An optimizing super-diagonal two-dimensional (2D) spatial frequency sampling scheme at the sub-Nyquist frequency is employed for performing off-axis interferometry in the absence of the autocorrelation term. The spatial bandwidth of the proposed two-step phase-shifting technique is 400% of that in square scheme off-axis digital holography. Experimental results demonstrate the feasibility of this technique in extracting the 3D morphology of transparent microscopic objects with a larger bandwidth.

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Super-bandwidth two-step phase-shifting off-axis digital holography by optimizing two-dimensional spatial frequency sampling scheme

Abstract

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Keywords

ASJC Scopus subject areas

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