Time efficient method for defocus error compensation in tomographic phase microscopy

Authors

  • Julianna Kostencka Warsaw University of Technology
  • Tomasz Kozacki Warsaw University of Technology
  • Michał Dudek Warsaw University of Technology
  • Małgorzata Kujawińska Warsaw University of Technology

DOI:

https://doi.org/10.4302/photon.%20lett.%20pl.v6i3.505

Abstract

We present a holographic method for defocus error compensation in tomographic phase microscopy, which enables high quality reconstruction in the presence of a meaningful run-out error of the measurement system. The proposed method involves indirect determination of the sample displacement from the in-focus plane. The sought quantity is deduced from the transverse movement of the rotating sample, which can be determined with high precision using correlation-based techniques. The proposed solution features improved accuracy and reduced computation time compared to the conventional autofocusing-based approach. The validity of the concept is experimentally demonstrated by tomographic reconstruction of an optical microtip.

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Published

2014-09-30

How to Cite

[1]
J. Kostencka, T. Kozacki, M. Dudek, and M. Kujawińska, “Time efficient method for defocus error compensation in tomographic phase microscopy”, Photonics Lett. Pol., vol. 6, no. 3, pp. pp. 102–104, Sep. 2014.

Issue

Vol. 6 No. 3 (2014)

Section

Articles

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