Physics of laser-driven tin plasma sources of EUV radiation for nanolithography

OO Versolato - Plasma Sources Science and Technology, 2019 - iopscience.iop.org
Laser-produced transient tin plasmas are the sources of extreme ultraviolet (EUV) light at
13.5 nm wavelength for next-generation nanolithography, enabling the continued …

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 …

Prominent radiative contributions from multiply-excited states in laser-produced tin plasma for nanolithography

F Torretti, J Sheil, R Schupp, MM Basko… - Nature …, 2020 - nature.com
Extreme ultraviolet (EUV) lithography is currently entering high-volume manufacturing to
enable the continued miniaturization of semiconductor devices. The required EUV light, at …

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 …

High-energy ions from Nd: YAG laser ablation of tin microdroplets: comparison between experiment and a single-fluid hydrodynamic model

DJ Hemminga, L Poirier, MM Basko… - Plasma Sources …, 2021 - iopscience.iop.org
We present the results of a joint experimental and theoretical study of plasma expansion
arising from Nd: YAG laser ablation (laser wavelength λ= 1.064 μm) of tin microdroplets in …

Efficient Generation of Extreme Ultraviolet Light From :YAG-Driven Microdroplet-Tin Plasma

R Schupp, F Torretti, RA Meijer, M Bayraktar… - Physical Review …, 2019 - APS
We experimentally investigate the emission of EUV light from a mass-limited laser-produced
plasma over a wide parameter range by varying the diameter of the targeted tin …

[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] Simulations of plasmas driven by laser wavelengths in the 1.064—10.6 μm range for their characterization as future extreme ultraviolet light sources

DJ Hemminga, OO Versolato, J Sheil - Physics of Plasmas, 2023 - pubs.aip.org
We characterize the properties of extreme ultraviolet (EUV) light source plasmas driven by
laser wavelengths in the λ laser= 1.064− 10.6 μ m range and laser intensities of I laser= 0.5 …