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Proceedings Paper

Single-shot quantitative phase microscopy with the transport-of-intensity equation
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Paper Abstract

We present a single-shot experimental configuration for quantitative phase microscopy recovery based on the transportof- intensity equation (TIE). The system can simultaneously capture two laterally separated images with different amounts of defocus using only one digital camera. The defocus distance can be adjusted by varying the free space propagation transfer function on a phase only spatial light modulator. The intensity derivative along optics axis can thus be estimated optimally. In contrast to the state of the art techniques, this configuration requires no mechanical moving parts. Furthermore its single-shot property allows potential application for measuring fast moving objects or dynamic processes. Validation experiments are presented.

Paper Details

Date Published: 22 June 2013
PDF: 5 pages
Proc. SPIE 8769, International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013), 876931 (22 June 2013); doi: 10.1117/12.2018760
Show Author Affiliations
Chao Zuo, Nanjing Univ. of Science and Technology (China)
Nanyang Technological Univ. (Singapore)
Beijing Institute of Technology (China)
Qian Chen, Nanjing Univ. of Science and Technology (China)
Beijing Institute of Technology (China)
Weijuan Qu, Ngee Ann Polytechnic (Singapore)
Anand Asundi, Nanyang Technological Univ. (Singapore)


Published in SPIE Proceedings Vol. 8769:
International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013)
Chenggen Quan; Kemao Qian; Anand Asundi, Editor(s)

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