▪ Abstract Molecular structures during chemical processes are crucial for predicting
molecular reactivity and reaction mechanisms. Using a laser pulse as an internal clock for …

X-ray diffraction with femtosecond time-resolution represents a direct probe of ultrafast
structural changes in condensed matter. The generation of ultrashort X-ray pulses in laser …

Femtosecond x-ray and visible pulses were used to probe structural and electronic
dynamics during an optically driven, solid-solid phase transition in VO 2. For high interband …

Three distinct techniques exist for distributing an ultrastable frequency reference over optical
fibers. For the distribution of a microwave frequency reference, an amplitude-modulated …

The molecular structure and dynamics of the photoexcited metal-to-ligand-charge-transfer
(MLCT) state of [CuI (dmp) 2]+, where dmp is 2, 9-dimethyl-1, 10-phenanthroline, in …

We present the advances in x-ray femtosecond pulse generation and the most recent
discoveries in the field of ultrashort (femtosecond) x-ray science. Nowadays x-rays show …

Reversible structural changes of a nanostructure were measured nondestructively with
subpicometer spatial and subpicosecond temporal resolution via x-ray diffraction (XRD). The …

Based on the second-order quantum interference between frequency entangled photons
that are generated by parametric down conversion, a quantum strategic algorithm for …

Photoexcited molecules are quintessential reactants in photochemistry. Structures of these
photoexcited molecules in disordered media in which a majority of photochemical reactions …

Ultrafast X-ray science is an exciting frontier that promises the visualization of electronic,
atomic and molecular dynamics on atomic time and length scales. A largely unexplored area …