Design of a compact, high-resolution velocity-map imaging spectrometer for attosecond spectroscopy

We present the design of a VMI spectrometer optimized for attosecond spectroscopy in the 0-40 eV energy range. It is based on a compact three-electrode configuration where the lens shape, size, and material have been optimized using numerical simulations to improve the spectral resolution by a factor of ∼5 relative to the initial design [Eppink and Parker, Rev. Sci. Instrum. 68, 3477-3484 (1997)] while keeping a flat spectral response in the 10-40 eV range. The experimental performance is tested using an attosecond source based on high-order harmonic generation. A good agreement is observed between the measured and simulated spectral resolution. At low kinetic energy, the electrostatic lens remains the limiting factor, while the high energy range is mostly affected by the resolution of the camera objective.

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Publication Details

Journal
Review of Scientific Instruments
Published
2025-01-01
DOI
https://doi.org/10.1063/5.0240707
Citations
3
Primary Topic
Laser-Matter Interactions and Applications
Type
article
Field-Weighted Citation Impact
3.74

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article

Design of a compact, high-resolution velocity-map imaging spectrometer for attosecond spectroscopy

Dominique Platzer, P. Salières, Alice Autuori, Mariusz Lejman et al.
3 citations
Review of Scientific Instruments
Laser-Matter Interactions and Applications
3.74
article

Design of a compact, high-resolution velocity-map imaging spectrometer for attosecond spectroscopy

Dominique Platzer, P. Salières, Alice Autuori, Mariusz Lejman, Lionel Poisson, Hugo J. B. Marroux, C. Pothier, Lucie Maëder, Constant A. Schouder
article en
3 citations

Abstract

We present the design of a VMI spectrometer optimized for attosecond spectroscopy in the 0-40 eV energy range. It is based on a compact three-electrode configuration where the lens shape, size, and material have been optimized using numerical simulations to improve the spectral resolution by a factor of ∼5 relative to the initial design [Eppink and Parker, Rev. Sci. Instrum. 68, 3477-3484 (1997)] while keeping a flat spectral response in the 10-40 eV range. The experimental performance is tested using an attosecond source based on high-order harmonic generation. A good agreement is observed between the measured and simulated spectral resolution. At low kinetic energy, the electrostatic lens remains the limiting factor, while the high energy range is mostly affected by the resolution of the camera objective.

Review of Scientific InstrumentsVol. 96(1)
Centre National de la Recherche Scientifique (FR), Commissariat à l'Énergie Atomique et aux Énergies Alternatives (FR), Université Paris-Saclay (FR), Institut des Sciences Moléculaires d'Orsay (FR), CEA Paris-Saclay (FR), Laboratoire Interactions, Dynamiques et Lasers (FR)
Laserlab-Europe, European Cooperation in Science and Technology, Agence Nationale de la Recherche, Horizon 2020 Framework Programme, HORIZON EUROPE Marie Sklodowska-Curie Actions, HORIZON EUROPE European Research Council
Affordable and clean energy
Openalex Percentile: Top 9%
Laser-Matter Interactions and Applications
3.74
DOIOpen Access PDFOpenAlex
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Design of a compact, high-resolution velocity-map imaging spectrometer for attosecond spectroscopy — Dominique Platzer, P. Salières, et al. · Review of Scientific Instruments (2025) | TGRS Research Map | TGRS