Helmholtz Imaging CONNECT

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DR. Johannes Dora

Institute of Materials Physics
Helmholtz-Zentrum Hereon

Postdoctoral Researcher | Helmholtz-Zentrum Hereon | P05 Imaging Beamline @ PETRA III

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Deutsches Elektronen-Synchrotron - Hamburg

ORCID

0009-0001-4283-8499

Weblinks

www.hereon.de/central_units/gems/index.php.en

Johannes Dora in Helmholtz Imaging CONNECT:

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Facility

German Engineering Materials Science Centre (GEMS)

The German Engineering Materials Science Centre (GEMS) is the central user platform of the Helmholtz-Zentrum Hereon with a worldwide unique infrastructure for complementary research with photons at the Hereon outstation at DESY in Hamburg and …

In Helmholtz Imaging CONNECT
➤Applications: 4 ➤Centers: 1 ➤Instruments: 5 ➤Labs: 2 ➤Modalities: 21 ➤Experts: 4 ➤Solutions: 0

Facility

PETRA III

DESY operates one of the world's brightest storage-ring-based X-ray radiation sources: PETRA III offers scientists outstanding opportunities for experiments with X-rays of exceptionally high brilliance. This particularly benefits researchers investigating very small samples or requiring …

In Helmholtz Imaging CONNECT
➤Applications: 5 ➤Centers: 2 ➤Instruments: 13 ➤Labs: 4 ➤Modalities: 38 ➤Experts: 19 ➤Solutions: 3

Center

Deutsches Elektronen-Synchrotron (DESY)

DESY is one of the world’s leading accelerator centres. Researchers use the large-scale facilities at DESY to explore the microcosm in all its variety – from the interactions of tiny elementary particles and the behaviour …

In Helmholtz Imaging CONNECT
➤Applications: 157 ➤Facilities: 4 ➤Instruments: 23 ➤Labs: 86 ➤Modalities: 238 ➤Experts: 39 ➤Solutions: 10

Instrument

P05 Imaging Beamline @ PETRA III (IBL)

The imaging beamline (IBL) is dedicated to micro- and nanotomography at energies between 5 keV and 50 keV. The flexible design of the experimental stations allows for the investigation of samples with diameters ranging seamlessly …

In Helmholtz Imaging CONNECT
➤Applications: 7 ➤Facilities: 2 ➤Centers: 2 ➤Labs: 0 ➤Modalities: 19 ➤Experts: 11 ➤Solutions: 7

Instrument

P05 microtomography @ PETRA III

he second experimental hutch contains the micro tomography setup of P05. At a sample distance of 87 m from the source, the horizontal full width at half maximum of the beam is 5.6 mm which …

In Helmholtz Imaging CONNECT
➤Applications: 4 ➤Facilities: 2 ➤Centers: 1 ➤Labs: 2 ➤Modalities: 15 ➤Experts: 3 ➤Solutions: 7

Instrument

P05 nanotomography @ PETRA III

The nanotomography endstation in the experimental hutch 1, designed to allow 3D resolutions of below 100 nm, is currently under construction. As X-ray optics we will use compound refractive lenses (CRLs), made from SU-8 polymer …

In Helmholtz Imaging CONNECT
➤Applications: 4 ➤Facilities: 2 ➤Centers: 1 ➤Labs: 3 ➤Modalities: 14 ➤Experts: 4 ➤Solutions: 5

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Solution

HoloWizard

HoloWizard provides alogorithms for the phase retrieval of near-field holograms.

The phase problem is a well known ill-posed reconstruction problem of coherent lens-less microscopic imaging, where only the squared magnitude of a complex wavefront is …

In Helmholtz Imaging CONNECT
➤Applications: 4 ➤Facilities: 2 ➤Centers: 2 ➤Instruments: 6 ➤Labs: 2 ➤Modalities: 7 ➤Experts: 3