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- Lawrence Berkeley National LaboratoryUS456 papers
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6 papers · 1 filter
Augmented projections for ptychographic imaging
Stefano Marchesini, Andre Schirotzek, Chao Yang +2
Ptychography is a popular technique to achieve diffraction limited resolution images of a two or three dimensional sample using high frame rate detectors. We introduce a relaxation…
Coherence Properties of Individual Femtosecond Pulses of an X-ray Free-Electron Laser
I. A. Vartanyants, A. Singer, A. P. Mancuso +33
Measurements of the spatial and temporal coherence of single, femtosecond x-ray pulses generated by the first hard x-ray free-electron laser (FEL), the Linac Coherent Light Source…
Pump-probe nonlinear magneto-optical rotation with frequency modulated light
S. Pustelny, D. F. Kimball, S. M. Rochester +3
Specific types of atomic coherences between Zeeman sublevels can be generated and detected using a method based on nonlinear magneto-optical rotation with frequency modulated light…
Phase Aberrations in Diffraction Microscopy
S. Marchesini, H. N. Chapman, A. Barty +5
In coherent X-ray diffraction microscopy the diffraction pattern generated by a sample illuminated with coherent x-rays is recorded, and a computer algorithm recovers the unmeasure…
Progress in Three-Dimensional Coherent X-Ray Diffraction Imaging
S. Marchesini, H. N. Chapman, A. Barty +14
The Fourier inversion of phased coherent diffraction patterns offers images without the resolution and depth-of-focus limitations of lens-based tomographic systems. We report on ou…
An assessment of the resolution limitation due to radiation-damage in x-ray diffraction microscopy
M. R. Howells, T. Beetz, H. N. Chapman +9
X-ray diffraction microscopy (XDM) is a new form of x-ray imaging that is being practiced at several third-generation synchrotron-radiation x-ray facilities. Although only five yea…