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You must be a registered user to use the IMDb rating plugin. Jennifer Zellan Stacey Dash Alicia Saunders Waylon Payne Wade Roma Maffia Detective Amos Matthew Del Negro Tucker Srikant Chellappa Habib the mechanic Lily Rains Brenda Griff Furst Donnell Joel Lewis Stan David E.
Detective Childers Annalise Basso Susan Zellan Jack Snyder The Superintendent Daniel Byington Priest Susie Wall Quigly Robert Nolan Clark These are used in a range of experimental techniques to characterize various properties of materials. Their motivation is that ghost imaging could reduce both image acquisition times and sample radiation doses for these techniques.
The team also argues that ghost imaging could be useful for experiments for which there are no easily-implementable spatially resolved detectors — including electron spectroscopy and time-resolved electron scattering.
The big challenge, however, is coming-up with a way of splitting a beam of relativistic electrons to create two beams suitable for ghost imaging. Li and colleagues avoided this problem by using a laser to modulate the output of the photocathode that they used as their source of electrons for the signal beam. Knowing how the signal beam is modulated provides the required information that would normally be obtained from the reference beam.
The team tested their ghost imager by firing the signal beam at metal ring sample. By correlating the intensity of the electron beam picked up by a single-pixel detector with the laser beam, the physicists could reconstruct an image of the ring in a multipixel light detector. Furthermore, the twin benefits of a short image acquisition time and little radiation damage in the sample were also achieved. The team now hopes to extend their techniques to other beam types including relativistic ions, plasmas, and neutrons.
The research is described in Physical Review Letters. Browse all. Buyer's Guide Jobs Sign in Register. Type to search. Topics Astronomy and space Atomic and molecular Biophysics and bioengineering Condensed matter Culture, history and society Environment and energy Instrumentation and measurement Materials Mathematics and computation Medical physics Optics and photonics Particle and nuclear Quantum. Sign in Register.
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Registration complete. Imaging Research update Ghost images obtained using relativistic electrons 22 Sep