Phase-space analysis of transport of intensity equation under partially coherent illumination

Chao Zuo; Qian Chen; Anand Asundi

doi:10.1117/12.2083271

19 February 2015 Phase-space analysis of transport of intensity equation under partially coherent illumination

Chao Zuo, Qian Chen, Anand Asundi

Proceedings Volume 9449, The International Conference on Photonics and Optical Engineering (icPOE 2014); 94490K (2015) https://doi.org/10.1117/12.2083271
Event: The International Conference on Photonics and Optical Engineering and the Annual West China Photonics Conference (icPOE 2014), 2014, Xi'an, China

Abstract

We introduced a generalized version of the transport of intensity equation from a partially coherent phase-space perspective that relates axial intensity derivative to the transverse divergence of the conditional frequency moment of the Wigner distribution function. This expression provides a powerful analytical tool for the study of phase retrieval and computational imaging under partially coherent illuminations. The correspondence between the Wigner distribution function and the light field in the geometric optics enables extracting phase information from the light field and vice versa for slowly varying specimen under certain simplified illumination conditions.

Citation Download Citation

Chao Zuo, Qian Chen, and Anand Asundi "Phase-space analysis of transport of intensity equation under partially coherent illumination", Proc. SPIE 9449, The International Conference on Photonics and Optical Engineering (icPOE 2014), 94490K (19 February 2015); https://doi.org/10.1117/12.2083271

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