Energy- and charge-state-resolved spectrometry of tin laser-produced plasma using a retarding field energy analyzer

Poirier, Lucas; Lassise, Adam; Mostafa, Yahia; Behnke, Lars; Braaksma, N.; Assink, Luc; Hoekstra, Ronnie; Versolato, Oscar

doi:10.1007/s00340-022-07844-5

Cited by 5 publications

(1 citation statement)

References 23 publications

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“…The RFA is absolutely calibrated against an open, grid-less Faraday cup [18] to establish the integral transmission of the four grids. The same 'bottom-up' method as introduced by Poirier et al [19] is used to extract the kinetic-energy distributions for each individual charge state of tin ions from their joint overlapping energy distributions.…”

Section: Experiment: Methodology and Datamentioning

confidence: 99%

Evidence of production of keV Sn⁺ ions in the H₂ buffer gas surrounding an Sn-plasma EUV source

Rai

Bijlsma

Poirier

et al. 2023

Plasma Sources Sci. Technol.

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Charge-state-resolved kinetic energy spectra of Sn ions ejected from a laser-produced plasma (LPP) of Sn have been measured at different densities of the H2 buffer gas surrounding a micro-droplet LPP. In the absence of H2, energetic keV Sn ions with charge states ranging from 4+ to 8+ are measured. For the H2 densities used in the experiments no appreciable stopping or energy loss of the ions is observed. However, electron capture by Sn ions from H2 results in a rapid shift towards lower charge states. At the highest H2 pressure of 6×10−4 mbar, only Sn2+ and Sn+ ions are measured. The occurrence of Sn+ ions is remarkable due to the endothermic nature of electron capture by Sn2+ ions from H2. To explain the production of keV Sn+ ions, it is proposed that their generation is due to electron capture by metastable Sn2+∗ ions. The gateway role of metastable Sn2+∗ is underpinned by model simulations using atomic collision cross sections to track the charge states of Sn ions while traversing the H2 buffer gas.

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Section: Experiment: Methodology and Datamentioning

confidence: 99%

Evidence of production of keV Sn⁺ ions in the H₂ buffer gas surrounding an Sn-plasma EUV source

Rai

Bijlsma

Poirier

et al. 2023

Plasma Sources Sci. Technol.

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Material-specific high-order harmonic generation in laser-produced plasmas for varying plasma dynamics

Mathijssen,

Mazzotta,

Heinzerling

et al. 2023

Appl. Phys. B

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We present a new experimental setup for high-order harmonic generation in laser-produced plasmas, allowing the generation of coherent VUV and EUV light, as well as characterisation of the laser-produced plasmas by studying the emitted harmonics. We have successfully generated high-order harmonics in laser-produced Al, Ni, Ag, In, and Sn plasmas. Large differences in harmonic spectra and signal yields have been observed for these different targets. Harmonics up to order 25, corresponding to a wavelength of 62.4 nm and photon energy of 19.9 eV, have been measured with tin plasmas. Scanning laser parameters and delay between pump and fundamental laser pulses allows us to optimise the harmonic yield and observe the temporal dynamics of the laser-produced tin plasma.

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Strongly anisotropic ion emission in the expansion of Nd:YAG-laser-produced plasma

et al. 2022

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We present results from a combined experimental and numerical simulation study of the anisotropy of the expansion of a laser-produced plasma into vacuum. Plasma is generated by nanosecond Nd:YAG laser pulse impact (laser wavelength [Formula: see text]) onto tin microdroplets. Simultaneous measurements of ion kinetic energy distributions at seven angles with respect to the direction of the laser beam reveal strong anisotropic emission characteristics, in close agreement with the predictions of two-dimensional radiation-hydrodynamic simulations. Angle-resolved ion spectral measurements are further shown to provide an accurate prediction of the plasma propulsion of the laser-impacted droplet.

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Energy- and charge-state-resolved spectrometry of tin laser-produced plasma using a retarding field energy analyzer

Cited by 5 publications

References 23 publications

Evidence of production of keV Sn⁺ ions in the H₂ buffer gas surrounding an Sn-plasma EUV source

Evidence of production of keV Sn⁺ ions in the H₂ buffer gas surrounding an Sn-plasma EUV source

Material-specific high-order harmonic generation in laser-produced plasmas for varying plasma dynamics

Strongly anisotropic ion emission in the expansion of Nd:YAG-laser-produced plasma

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Energy- and charge-state-resolved spectrometry of tin laser-produced plasma using a retarding field energy analyzer

Cited by 5 publications

References 23 publications

Evidence of production of keV Sn+ ions in the H2 buffer gas surrounding an Sn-plasma EUV source

Evidence of production of keV Sn+ ions in the H2 buffer gas surrounding an Sn-plasma EUV source

Material-specific high-order harmonic generation in laser-produced plasmas for varying plasma dynamics

Strongly anisotropic ion emission in the expansion of Nd:YAG-laser-produced plasma

Contact Info

Product

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Evidence of production of keV Sn⁺ ions in the H₂ buffer gas surrounding an Sn-plasma EUV source

Evidence of production of keV Sn⁺ ions in the H₂ buffer gas surrounding an Sn-plasma EUV source