In the past 20 years, we have reached a broad understanding of many light-driven
phenomena in nanoscale systems. The temporal dynamics of the excited states are instead …

The use of infrared lasers to power optical-scale lithographically fabricated particle
accelerators is a developing area of research that has garnered increasing interest in recent …

We present the development of the first ultrafast transmission electron microscope (UTEM)
driven by localized photoemission from a field emitter cathode. We describe the …

Recently two emerging areas of research, attosecond and nanoscale physics, have started
to come together. Attosecond physics deals with phenomena occurring when ultrashort laser …

Short electron pulses are central to time-resolved atomic-scale diffraction and electron
microscopy, streak cameras, and free-electron lasers. We demonstrate phase-space control …

The fundamental coherent radiation emission processes from a bunched charged particles
beam are outlined. In contrast to spontaneous emission of radiation from a random electron …

Attosecond science is based on electron dynamics driven by a strong optical electric field
and has evolved beyond its original scope in gas-phase atomic and molecular physics to …

Catalytic asymmetric conjugate addition reactions represent a powerful strategy to access
chiral molecules in contemporary organic synthesis. However, their applicability to …

Radio frequency particle accelerators are ubiquitous in ultrasmall and ultrafast science, but
their size and cost have prompted exploration of compact and scalable alternatives such as …

In this Perspective, we provide an overview of the field of ultrafast electron microscopy
(UEM). We begin by briefly discussing the emergence of methods for probing ultrafast …