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Proceedings Paper

Ptychographic phase retrieval by applying hybrid input-output (HIO) iterations sequentially
Author(s): A. P. Konijnenberg; W. M. J. Coene; S. F. Pereira; H. P. Urbach
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Paper Abstract

We have designed a ptychographical algorithm (HIO-PIE) in which HIO (Hybrid Input-Output) iterations are applied for each probe position sequentially. Simulations indicated that HIO-PIE tends to outperform PIE (Ptychographical Iterative Engine) even in the presence of shot noise, especially when the number of probe positions is small. Thus, this adaptation may reduce the number of scan positions required for a successful image reconstruction, thereby relaxing the constraints on an experimental setup. In this article, experimental results obtained using an SLM (spatial light modulator) and visible laser light (633 nm) show that when few probe positions are used, HIO-PIE converges significantly faster than PIE

Paper Details

Date Published: 26 June 2017
PDF: 7 pages
Proc. SPIE 10335, Digital Optical Technologies 2017, 103351I (26 June 2017); doi: 10.1117/12.2270227
Show Author Affiliations
A. P. Konijnenberg, Technische Univ. Delft (Netherlands)
W. M. J. Coene, Technische Univ. Delft (Netherlands)
ASML Netherlands B.V. (Netherlands)
S. F. Pereira, Technische Univ. Delft (Netherlands)
H. P. Urbach, Technische Univ. Delft (Netherlands)

Published in SPIE Proceedings Vol. 10335:
Digital Optical Technologies 2017
Bernard C. Kress; Peter Schelkens, Editor(s)

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