Ludwig-Maximilians-Universität Munich (LMU) Novel electron microscope that can visualize electromagnetic fields oscillating at frequencies of billions of cycles per second

A three-dimensional depiction of the spatial variation of the optical electromagnetic field around a microantenna following excitation with terahertz pulse. The optical field is mapped with the aid of electron pulses. Illustration: Peter Baum

A three-dimensional depiction of the spatial variation of the optical electromagnetic field around a microantenna following excitation with terahertz pulse. The optical field is mapped with the aid of electron pulses. Illustration: Peter Baum

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