Scientific Results

Digital holographic microscopy with pure-optical spherical phase compensation

Year: 2011

Authors: Sanchez-Ortiga E., Ferraro P., MartiĀ­nez-Corral M., Saavedra G., Doblas A.

Autors Affiliation: 3D Imaging and Display Laboratory, Department of Optics, University of Valencia, E-46100 Burjassot, Spain;
Istituto Nazionale di Ottica Applicata, 80072 Sez. Di Napoli, Italy

Abstract: Telecentric architecture is proposed for circumventing, by the pure-optical method, the residual parabolic phase distortion inherent to standard configuration of digital holographic microscopy. This optical circumvention produces several important advantages. One is that there is no need for computer compensation of the parabolic phase during the phase map recovering procedure. The other is that in off-axis configuration, the spatial frequency useful domain is enlarged. The validity of the method is demonstrated by performing quantitative measurement of depth differences with high axial resolution. (C) 2011 Optical Society of America

Journal/Review: JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION

Volume: 28 (7)      Pages from: 1410  to: 1417

More Information: This work was supported in part by the Plan Nacional I+D+I under grant FIS2009-9135 and also by Generalitat Valenciana under grant PROMETEO2009-077.
DOI: 10.1364/JOSAA.28.001410

Citations: 50
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English