Ptychography: a novel phase retrieval technique, advantages and its application

D. Claus; A. M. Maiden; F. Zhang; A. Hurst; T. Edo; F. Sweeney; J. M. Rodenburg; H. Schluesener; M. J. Humphry

doi:10.1117/12.893512

26 July 2011 Ptychography: a novel phase retrieval technique, advantages and its application

D. Claus, A. M. Maiden, F. Zhang, A. Hurst, T. Edo, F. Sweeney, J. M. Rodenburg, H. Schluesener, M. J. Humphry

Proceedings Volume 8001, International Conference on Applications of Optics and Photonics; 800109 (2011) https://doi.org/10.1117/12.893512
Event: International Conference on Applications of Optics and Photonics, 2011, Braga, Portugal

Abstract

This paper is intended to introduce ptychography, a novel and very promising phase retrieval technique. It is based on the lens-less recording of a series of diffraction patterns caused by coherent object illumination. In the visible region of light, ptychography has successfully been implemented for visible light microscopy and optical metrology. Ptychography has also successfully been applied to X-ray microscopy where it is difficult to manufacture good quality lenses and where, at high X-ray energies, absorption contrast is low but where phase contrast is significant. In the course of this paper theoretical fundamentals of ptychography are explained, advantages in comparison to traditional optical techniques are represented and applications are shown.

Citation Download Citation

D. Claus, A. M. Maiden, F. Zhang, A. Hurst, T. Edo, F. Sweeney, J. M. Rodenburg, H. Schluesener, and M. J. Humphry "Ptychography: a novel phase retrieval technique, advantages and its application", Proc. SPIE 8001, International Conference on Applications of Optics and Photonics, 800109 (26 July 2011); https://doi.org/10.1117/12.893512

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