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Proceedings Paper

Dual wavelength digital holography phase unwrapping by linear regression
Author(s): Alexander Khmaladze; Rebecca L. Matz; Chi Zhang; Joshua Jasensky; Mark M. Banaszak Holl; Zhan Chen
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Paper Abstract

Digital holography records the superposition of the object and reference waves. The subsequent reconstruction of both amplitude and phase of the optical field is done by numerically propagating the optical field along the direction perpendicular to the hologram plane in accordance with the laws of diffraction. Phase changes undergone by a light wave passing through or reflecting from objects can be converted to the optical thickness or height measurements, providing the three dimensional structural information about the object. Our dual wavelength phase imaging method allows three dimensional measurements of a wide variety of biological systems and microstructures.

Paper Details

Date Published: 20 May 2011
PDF: 7 pages
Proc. SPIE 8043, Three-Dimensional Imaging, Visualization, and Display 2011, 80430X (20 May 2011); doi: 10.1117/12.887602
Show Author Affiliations
Alexander Khmaladze, Univ. of Michigan (United States)
Rebecca L. Matz, Univ. of Michigan (United States)
Chi Zhang, Univ. of Michigan (United States)
Joshua Jasensky, Univ. of Michigan (United States)
Mark M. Banaszak Holl, Univ. of Michigan (United States)
Zhan Chen, Univ. of Michigan (United States)

Published in SPIE Proceedings Vol. 8043:
Three-Dimensional Imaging, Visualization, and Display 2011
Bahram Javidi; Jung-Young Son, Editor(s)

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