Hard x-ray wavefront engineering for aberration correction and beam shaping

Christian G. Schroer; Frank Seiboth; Andreas Schropp; Silvio Achilles; Martin Seyrich; Svenja Patjens; Micheal E. Stuckelberger; Jan Garrevoet; Vanessa Galbierz; Gerald Falkenberg; Adam Kubec; Christian David; Sven Niese; Peter Gawlitza

doi:10.1117/12.2633458

4 October 2022 Hard x-ray wavefront engineering for aberration correction and beam shaping

Christian G. Schroer, Frank Seiboth, Andreas Schropp, Silvio Achilles, Martin Seyrich, Svenja Patjens, Micheal E. Stuckelberger, Jan Garrevoet, Vanessa Galbierz, Gerald Falkenberg, Adam Kubec, Christian David, Sven Niese, Peter Gawlitza

Author Affiliations +

Proceedings Volume 12240, Advances in X-Ray/EUV Optics and Components XVII; 122400J (2022) https://doi.org/10.1117/12.2633458
Event: SPIE Optical Engineering + Applications, 2022, San Diego, California, United States

Abstract

While modern x-ray microscopes at synchrotron radiation sources and free-electron lasers require x-ray optics of highest quality, these optics often show aberrations due to limitations in fabrication technology. Based on ptychography, we determine these aberrations and fabricate tailor made refractive phase plates to compensate for them. Starting from the aberrated optics, diffraction-limited beams can be generated by introducing the phase plate behind these optics. In addition, the wavefront can be modified to generate custom beams for special needs, such as donut-shaped beams with orbital angular momentum or for structured-illumination microscopy. The nanofocused beam can be engineered in shape and phase by introducing specially designed phase plates. We introduce a general scheme for wavefront engineering and illustrate it with a numerical example.

Conference Presentation

Citation Download Citation

Christian G. Schroer, Frank Seiboth, Andreas Schropp, Silvio Achilles, Martin Seyrich, Svenja Patjens, Micheal E. Stuckelberger, Jan Garrevoet, Vanessa Galbierz, Gerald Falkenberg, Adam Kubec, Christian David, Sven Niese, and Peter Gawlitza "Hard x-ray wavefront engineering for aberration correction and beam shaping", Proc. SPIE 12240, Advances in X-Ray/EUV Optics and Components XVII, 122400J (4 October 2022); https://doi.org/10.1117/12.2633458

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