Extreme-ultraviolet frequency combs for precision metrology and attosecond science

I Pupeza, C Zhang, M Högner, J Ye - Nature Photonics, 2021 - nature.com
Femtosecond mode-locked lasers producing visible/infrared frequency combs have steadily
advanced our understanding of fundamental processes in nature. For example, optical …

Direct frequency comb spectroscopy in the extreme ultraviolet

A Cingöz, DC Yost, TK Allison, A Ruehl, ME Fermann… - Nature, 2012 - nature.com
The development of the optical frequency comb (a spectrum consisting of a series of evenly
spaced lines) has revolutionized metrology and precision spectroscopy owing to its ability to …

Ultra-short-pulse high-average-power megahertz-repetition-rate coherent extreme-ultraviolet light source

R Klas, A Kirsche, M Gebhardt, J Buldt, H Stark… - PhotoniX, 2021 - Springer
High harmonic generation (HHG) enables coherent extreme-ultraviolet (XUV) radiation with
ultra-short pulse duration in a table-top setup. This has already enabled a plethora of …

Introduction to macroscopic power scaling principles for high-order harmonic generation

CM Heyl, CL Arnold, A Couairon… - Journal of Physics B …, 2016 - iopscience.iop.org
This tutorial presents an introduction to power scaling concepts for high-order harmonic
generation (HHG) and attosecond pulse production. We present an overview of state-of-the …

Compact high-repetition-rate source of coherent 100 eV radiation

I Pupeza, S Holzberger, T Eidam, H Carstens… - Nature …, 2013 - nature.com
Coherently enhancing laser pulses in a passive cavity provides ideal conditions for high-
order harmonic generation in a gas, with repetition rates around 100 MHz (refs,,). Recently …

High photon flux table-top coherent extreme-ultraviolet source

S Hädrich, A Klenke, J Rothhardt, M Krebs… - Nature …, 2014 - nature.com
High harmonic generation (HHG) enables extreme-ultraviolet radiation with table-top set-
ups. Its exceptional properties, such as coherence and (sub)-femtosecond pulse durations …

Phase-matched extreme-ultraviolet frequency-comb generation

G Porat, CM Heyl, SB Schoun, C Benko, N Dörre… - Nature …, 2018 - nature.com
Laser-driven high-order harmonic generation, provides spatially and temporally coherent
tabletop sources of broadband extreme-ultraviolet (XUV) light. These sources typically …

Single-pass high harmonic generation at high repetition rate and photon flux

S Hädrich, J Rothhardt, M Krebs… - Journal of Physics B …, 2016 - iopscience.iop.org
Sources of short wavelength radiation with femtosecond to attosecond pulse durations, such
as synchrotrons or free electron lasers, have already made possible numerous, and will …

Compact extreme ultraviolet source at megahertz pulse repetition rate with a low-noise ultrafast thin-disk laser oscillator

F Emaury, A Diebold, CJ Saraceno, U Keller - Optica, 2015 - opg.optica.org
We present a compact extreme ultraviolet (XUV) source based on high-harmonic generation
(HHG) at 2.4 MHz pulse repetition rate driven from the compressed output of a mode-locked …

Bright high-repetition-rate source of narrowband extreme-ultraviolet harmonics beyond 22 eV

H Wang, Y Xu, S Ulonska, JS Robinson… - Nature …, 2015 - nature.com
Novel table-top sources of extreme-ultraviolet light based on high-harmonic generation yield
unique insight into the fundamental properties of molecules, nanomaterials or correlated …