G
Guido C.A.M. Janssen
Researcher at Philips
Publications - 2
Citations - 390
Guido C.A.M. Janssen is an academic researcher from Philips. The author has contributed to research in topics: Energy filtered transmission electron microscopy & High-resolution transmission electron microscopy. The author has an hindex of 2, co-authored 2 publications receiving 380 citations.
Papers
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Journal ArticleDOI
Phase retrieval through focus variation for ultra-resolution in field-emission transmission electron microscopy.
TL;DR: A dramatic improvement of the high-resolution performance of the electron microscope beyond the usual «point-to-point» resolution has been realized: Experiments on a 200-kV microscope with a point resolution of 0.24 nm reveal reconstructed information down to 0.
Proceedings ArticleDOI
Characterization of a projection lens using the extended Nijboer-Zernike approach
Peter Dirksen,Joseph J. M. Braat,Peter De Bisschop,Guido C.A.M. Janssen,Casper A. H. Juffermans,Alvina M. Williams +5 more
TL;DR: In this article, an experimental method to determine the aberrations of an optical system in the field is proposed based on the observation of the intensity point spread function of the lens.