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22 April 2020 Phase imaging based on Scan-less transport of intensity equation (Conference Presentation)
Takanori Nomura, Koshi Komuro, Naru Yoneda, Shunsuke Kakei, Aoi Onishi, Yusuke Saita
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Proceedings Volume 11402, Three-Dimensional Imaging, Visualization, and Display 2020; 114020H (2020) https://doi.org/10.1117/12.2559867
Event: SPIE Defense + Commercial Sensing, 2020, Online Only
Abstract
Quantitative phase imaging is widely studied for such as bio-imaging and industrial inspection. Quantitative phase imaging is divided into interferometric approach and non-interferometric intensity-based one. Interferometry often uses object and reference arms, rendering an optical setup complicated. The transport of intensity equation has been used for non-interferometric quantitative phase imaging. It allows to retrieve a phase distribution from through-focus series of an object. To obtain through-focus series, mechanical scanning of the object or a camera is required. This is not suitable for the quantitative phase imaging of dynamic phenomena. In this presentation, some of our proposed scan-less methods are presented. Numerical and/or experimental results are also shown.
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Takanori Nomura, Koshi Komuro, Naru Yoneda, Shunsuke Kakei, Aoi Onishi, and Yusuke Saita "Phase imaging based on Scan-less transport of intensity equation (Conference Presentation)", Proc. SPIE 11402, Three-Dimensional Imaging, Visualization, and Display 2020, 114020H (22 April 2020); https://doi.org/10.1117/12.2559867
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KEYWORDS
Phase imaging
Interferometry
Cameras
Inspection
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