Jianwei Miao
Events
Jianwei Miao
Plenary: Computational Microscopy with Coherent Diffractive Imaging and Ptychography
Computational microscopy based on coherent diffractive imaging and ptychography unifies microscopy and crystallography by replacing lenses with diffraction and algorithms, enabling imaging across nine orders of magnitude in length scale, from sub-angstrom atomic structures to centimeter-scale tissues.
About the Speaker
Jianwei (John) Miao is Professor of Physics and Astronomy at UCLA. He pioneered computational microscopy by unifying crystallography with microscopy using coherent diffraction and algorithms, replacing lenses with computation. In 1999, he achieved the first experimental coherent diffractive imaging, laying the foundation for modern ptychography and transforming nanoscale and atomic-scale imaging across synchrotrons, XFELs, HHG, optical microscopy and electron microscopy. Building on this foundation, he pioneered atomic electron tomography (AET) in 2012 for 3D atomic imaging without crystallinity and in 2021 reported the first 3D atomic structure of an amorphous solid. He recently advanced ptychographic AET to image individual light atoms in 3D with picometer precision. His honors include the Werner Meyer-Ilse Memorial Award, Sloan Fellowship, Innovation in Materials Characterization Award, Joseph F. Keithley Award for Advances in Measurement Science and election as APS and MRS Fellow.
