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physics.optics2025
Extreme Ultraviolet High-Harmonic Interferometry of Excitation-Induced Bandgap Dynamics in Solids
Lisa-Marie Koll, Simon Vendelbo Bylling Jensen, Pieter J. van Essen +9
Interferometry is a fundamental technique in physics, enabling precise measurements through the interference of waves. High-harmonic generation (HHG) in solids has emerged as a pow…
physics.optics2024
Self-compression of 5-m pulses in hollow waveguides
Martin Bock, Usman Sapaev, Ji Eun Bae +4
We experimentally and numerically investigate self-compression of pulses around 5 m wavelength in a noble-gas-filled hollow waveguides. We demonstrate spectral broadening of mu…
physics.optics2024
Towards multi-petahertz all-optical electric field sampling
Anton Husakou, Nicholas Karpowicz, Vladislav S. Yakovlev +2
We present an all-optical concept for measuring the electric field of light spanning from infrared to extreme ultraviolet with multi-petahertz detection bandwidth. Our approach emp…