Time-Resolved Angle-Resolved Photoelectron Spectroscopy (TR-ARPES) using VUV Pulses

Scientists at Elettra-Sincrotrone, Trieste, Italy, use a novel scheme to generate VUV pulses at 10.8 eV (115 nm) from a Coherent Monaco amplifier to deliver a combination of high repetition rate (1-4 MHz) and small pulse-bandwidth that sets a new experimental standard in time-resolved ARPES measurements.

Figure 1. The 1035 nm output of a Monaco amplifier is efficiently upconverted to the 9th harmonic at 115 nm in a three-step process.

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