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Nature 449, 553-554 (4 October 2007) | doi:10.1038/449553a; Published online 3 October 2007
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Imaging technology: Harmonic pictures in a flash
John Spence1
Abstract
Making films of atomic-scale processes as they happen makes huge demands on any imaging system. One approach combines the advantages of pulsed laser harmonics and computerized image reconstruction.
To make a movie of molecular rearrangements, the criteria are strict. Enough of the illuminating beam should be scattered off the imaged object during each frame to form an image (at least one particle for each pixel), so the beam must be very intense and have a high scattering probability.
- John Spence is in the Department of Physics, Arizona State University, Tempe, Arizona 85287-1504, USA.
Email: spence@asu.edu
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