Microdroplet-tin plasma sources of EUV radiation driven by solid-state-lasers (Topical Review)

OO Versolato, J Sheil, S Witte, W Ubachs… - Journal of …, 2022 - iopscience.iop.org
Plasma produced from molten-tin microdroplets generates extreme ultraviolet light for state-
of-the-art nanolithography. Currently, CO 2 lasers are used to drive the plasma. In the future …

Liquid Tin Droplet Generator in Laser-produced Plasma Extreme Ultraviolet Source: A Review

Q Sun, H Qi, X Wang, D Zuo - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The 13.5-nm extreme ultraviolet (EUV) light radiated by laser-produced tin droplet plasma is
successfully used in manufacturing integrated circuits with critical dimensions (CDs) below 7 …

Early-time hydrodynamic response of a tin droplet driven by laser-produced plasma

J Hernandez-Rueda, B Liu, DJ Hemminga… - Physical Review …, 2022 - APS
We experimentally and numerically investigate the early-time hydrodynamic response of tin
microdroplets driven by a ns-laser-induced plasma. Experimentally, we use stroboscopic …

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

L Poirier, DJ Hemminga, A Lassise, L Assink… - Physics of …, 2022 - pubs.aip.org
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 …

Mass partitioning in fragmenting tin sheets

B Liu, RA Meijer, W Li, J Hernandez-Rueda… - Physical Review …, 2023 - APS
We experimentally study the mass partitioning of a fragmenting liquid sheet formed after the
impact of a ns-laser pulse on a tin microdroplet, and its dependence on laser pulse energy …

Characterization of angularly resolved EUV emission from 2-µm-wavelength laser-driven Sn plasmas using preformed liquid disk targets

R Schupp, L Behnke, Z Bouza, Z Mazzotta… - Journal of Physics D …, 2021 - iopscience.iop.org
The emission properties of tin plasmas, produced by the irradiation of preformed liquid tin
targets by several-ns-long 2 µm-wavelength laser pulses, are studied in the extreme …

[HTML][HTML] High-resolution spectroscopic imaging of atoms and nanoparticles in thin film vaporization

DJ Engels, RA Meijer, HK Schubert… - Applied Physics …, 2023 - pubs.aip.org
We introduce a spectroscopic absorption imaging method in the UV regime (225–400 nm) to
study tin vapor created by irradiating a thin film with a low intensity 10 8 W cm− 2 …

Speed of fragments ejected by an expanding liquid tin sheet

B Liu, J Hernandez-Rueda, H Gelderblom… - Physical Review …, 2022 - APS
We experimentally investigate the speed of fragments produced by ligament breakup in the
laser-induced deformation of tin microdroplets into axisymmetric sheets. The experiments …

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

L Poirier, A Lassise, Y Mostafa, L Behnke… - Applied Physics B, 2022 - Springer
We present a method to obtain the individual charge-state-dependent kinetic-energy
distributions of tin ions emanating from a laser-produced plasma from their joint overlapping …

[HTML][HTML] The spectrum of a 1-μm-wavelength-driven tin microdroplet laser-produced plasma source in the 5.5–265.5 nm wavelength range

Z Bouza, J Byers, J Scheers, R Schupp, Y Mostafa… - AIP advances, 2021 - pubs.aip.org
We present a calibrated spectrum in the 5.5–265.5 nm range from a microdroplet-tin Nd:
YAG-laser-produced plasma under conditions relevant for the production of extreme …