Design and characterization of extreme-ultraviolet broadband mirrors for attosecond science

Morlens, Anne Sophie; López-Martens, Rodrigo; Boyko, Olga; Zeitoun, Philippe; Balcou, Philippe; Varjú, Katalin; Gustafsson, E.; Remetter, T.; L’Huillier, Anne; Kazamias, S.; Gautier, J.; Delmotte, F.; Ravet, M. F.

doi:10.1364/ol.31.001558

Cited by 60 publications

(28 citation statements)

References 10 publications

(12 reference statements)

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“…An accurate understanding of resonant scattering in the EUV is of increasing importance with the recent advances of short wavelength optics [39,62,63] and the availability of ultrashort UV and X-ray pulses [64]. As the state of the art in flux and energy resolution at RIXS beamlines continues to improve, we expect that line shape effects recently identified via EUV RIXS (e.g., on the incident energy axis) will also be measured in the soft X-ray regime and charted as a function of momentum.…”

Section: Discussionmentioning

confidence: 99%

Extending resonant inelastic X-ray scattering to the extreme ultraviolet

et al. 2015

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In resonant inelastic X-ray scattering (RIXS), core hole resonance modes are used to enhance coupling between photons and low energy electronic degrees of freedom. Resonating with shallow core holes accessed in the extreme ultraviolet (EUV) can provide greatly improved energy resolution at standard resolving power, but has been found to often yield qualitatively different spectra than similar measurements performed with higher energy X-rays. This paper uses experimental data and multiplet-based numerical simulations for the M-edges of Co-, Ni-, and Cu-based Mott insulators to review the properties that distinguish EUV RIXS from more commonly performed higher energy measurements. Key factors such as the origin of the strong EUV elastic line and advantages of EUV spectral functions over soft X-ray RIXS for identifying intrinsic excitation line shapes are discussed.

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Section: Discussionmentioning

confidence: 99%

Extending resonant inelastic X-ray scattering to the extreme ultraviolet

et al. 2015

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“…Short isolated attosecond pulses in the µJ range have even been generated using a combination of two-color field synthesis and energy-scaling aforementioned techniques [16]. However, few studies tackle the problem of focusing the HHG radiation [17,18]. The challenge is to focus an XUV beam to a small focal spot, while maintaining the broad bandwidth of the radiation and the short pulse duration, as well as minimizing the loss in the pulse energy.…”

Section: Introductionmentioning

confidence: 99%

Micro-Focusing of Broadband High-Order Harmonic Radiation by a Double Toroidal Mirror

et al. 2017

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Abstract:We present an optical system based on two toroidal mirrors in a Wolter configuration to focus broadband extreme ultraviolet (XUV) radiation. Optimization of the focusing optics alignment is carried out with the aid of an XUV wavefront sensor. Back-propagation of the optimized wavefront to the focus yields a focal spot of 3.6 × 4.0 µm 2 full width at half maximum, which is consistent with ray-tracing simulations that predict a minimum size of 3.0 × 3.2 µm 2 . This work is important for optimizing the intensity of focused high-order harmonics in order to reach the nonlinear interaction regime.

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“…Concevoir de tels miroirs revient à ajouter des contraintes supplémentaires sur la phase de la structure multicouche lors du processus d'optimisation. Deux possibilités s'offrent alors: i) Si l'on souhaite réfléchir l'impulsion sans la déformer, le miroir devra avoir une phase spectrale linéaire [10]. ii) Si par contre, on souhaite compenser l'attochirp et resynchroniser les harmoniques grâce au miroir, ce dernier devra être inversement chirpé par rapport à l'impulsion.…”

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Optiques pour les impulsions attosecondes

Bourassin-Bouchet

2011

UVX 2010 - 10e Colloque Sur Les Sources Cohérentes Et Incohérentes UV, VUV Et X ; Applications Et Développements Récents

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Résumé. Nous présentons les différents aspects de la conception de composants optiques de type miroirs multicouches, pour les sources d'impulsions extrême ultraviolet (EUV) attosecondes. Pour manipuler efficacement ces impulsions, ces optiques doivent pouvoir transporter un spectre très large tout en conservant la relation de phase existante entre les composantes spectrales. De plus, ces impulsions ultrabrèves s'avèrent extrêmement sensibles aux aberrations optiques, ces dernières ayant pour effet de déformer et étirer les impulsions attosecondes.

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Design and characterization of extreme-ultraviolet broadband mirrors for attosecond science

Abstract: Design and characterization of extreme-ultraviolet broadband mirrors for attosecond scienceMorlens,

Cited by 60 publications

References 10 publications

Extending resonant inelastic X-ray scattering to the extreme ultraviolet

Extending resonant inelastic X-ray scattering to the extreme ultraviolet

Micro-Focusing of Broadband High-Order Harmonic Radiation by a Double Toroidal Mirror

Optiques pour les impulsions attosecondes

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