phase imaging

Monday, October 14, 2019 - 9:15am - 10:00am
Laura Waller (University of California, Berkeley)
Computational imaging involves the joint design of imaging system hardware and software, optimizing across the entire pipeline from acquisition to reconstruction. Computers can replace bulky and expensive optics by solving computational inverse problems. This talk will describe new microscopes that use computational imaging to enable 3D fluorescence and phase measurement using simple hardware and advanced image reconstruction algorithms that are based on large-scale nonlinear non-convex optimization.
Thursday, August 17, 2017 - 2:00pm - 2:45pm
Andrew Maiden (University of Sheffield)
Relative to the rapid pace set in the X-ray and visible light regimes, developing electron ptychography into a useful, routine method for electrons has so far been a slow journey. The path has been hampered by hurdles such as inelastic and dynamical scattering, instrument instabilities and limited beam coherence, as well as by the sub-nanometer resolutions that electron microscopists expect. Today, however, the route is being cleared using advances from the X-ray and visible light regions of the spectrum, and momentum is beginning to build.
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