Journal
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION
Volume 28, Issue 7, Pages 1410-1417Publisher
OPTICAL SOC AMER
DOI: 10.1364/JOSAA.28.001410
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Funding
- Plan Nacional I+D+I [FIS2009-9135]
- Generalitat Valenciana [PROMETEO2009-077]
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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
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