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5 June 2014 Accurate quantitative phase imaging through telecentric digital holographic microscopy
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Abstract
The use of non-telecentric imaging systems in quantitative phase digital holographic microscopy introduces strong inaccuracies. We show that even negligible errors in the radius and center of curvature of the remaining quadratic phase factor introduce big errors in the numerical phase measurements. The errors depend on the position of the object in the field-of-view. However, when a telecentric imaging system is utilized for the recording of the holograms, the hybrid imaging method shows shift-invariant behavior, and therefore accurate quantitative phase imaging can be performed.
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Ana Doblas, Emilio Sánchez-Ortiga, Manuel Martínez-Corral, Genaro Saavedra, and Jorge Garcia-Sucerquia "Accurate quantitative phase imaging through telecentric digital holographic microscopy", Proc. SPIE 9117, Three-Dimensional Imaging, Visualization, and Display 2014, 911705 (5 June 2014); https://doi.org/10.1117/12.2051121
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