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Speckle quantitative phase imaging camera based on the transport of intensity equation
Author(s): Linpeng Lu; Jiasong Sun; Jialin Zhang; Yao Fan; Qian Chen; Chao Zuo
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Paper Abstract

We present a new quantitative phase imaging method on the basis of the novel camera named quantitative phase imaging camera with a weak diffuser (QPICWD). It measures object under low-coherence quasi-monochromatic illumination via examining the deformation of the speckle intensity pattern. The speckle deformation can be analyzed by means of ensemble average of geometric flow method, realizing high resolution distortion field by using the transport of intensity equation (TIE). There are some applications for the proposed new design including nondestructive optical testing of microlens array with nanometric thickness. Since the proposed QPICWD needs no modification of the common bright-field microscope, it may promote QPI as a useful tool for subcellular level biological analysis.

Paper Details

Date Published: 16 October 2019
PDF: 5 pages
Proc. SPIE 11205, Seventh International Conference on Optical and Photonic Engineering (icOPEN 2019), 1120521 (16 October 2019); doi: 10.1117/12.2547879
Show Author Affiliations
Linpeng Lu, Nanjing Univ. of Science And Technology (China)
Jiasong Sun, Nanjing Univ. of Science and Technology (China)
Jialin Zhang, Nanjing Univ. of Science and Technology (China)
Yao Fan, Nanjing Univ. of Science and Technology (China)
Qian Chen, Nanjing Univ. of Science and Technology (China)
Chao Zuo, Nanjing Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 11205:
Seventh International Conference on Optical and Photonic Engineering (icOPEN 2019)
Anand Asundi; Motoharu Fujigaki; Huimin Xie; Qican Zhang; Song Zhang; Jianguo Zhu; Qian Kemao, Editor(s)

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