Please use this identifier to cite or link to this item: https://doi.org/10.1364/OL.34.001924
Title: Quantitative phase-gradient imaging at high resolution with asymmetric illumination-based differential phase contrast
Authors: Mehta, S.B.
Sheppard, C.J.R. 
Issue Date: 1-Jul-2009
Source: Mehta, S.B.,Sheppard, C.J.R. (2009-07-01). Quantitative phase-gradient imaging at high resolution with asymmetric illumination-based differential phase contrast. Optics Letters 34 (13) : 1924-1926. ScholarBank@NUS Repository. https://doi.org/10.1364/OL.34.001924
Abstract: We describe a full-field phase-gradient imaging method: asymmetric illumination-based differential phase contrast (AIDPC). Imaging properties of AIDPC are evaluated using the phase-gradient transfer-function approach and elucidated with experimental images of an optical fiber and a histochemical preparation of a skeletal muscle section. In comparison with full-field differential interference contrast, AIDPC does not require phase shifting for quantitative imaging of phase gradient, provides artifact-free images of birefringent specimens, requires shorter camera exposure, and has larger depth of focus. It is amenable to transferfunction engineering, simultaneous fluorescence imaging, and automated live cell imaging. © 2009 Optical Society of America.
Source Title: Optics Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/67249
ISSN: 01469592
DOI: 10.1364/OL.34.001924
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