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Title: Colliding laser-produced plasmas as targets for laser-generated extreme ultraviolet sources

Colliding plasmas produced by neodymium-doped yttrium aluminium garnet (Nd:YAG) laser illumination of tin wedge targets form stagnation layers, the physical parameters of which can be controlled to optimise coupling with a carbon dioxide (CO{sub 2}) heating laser pulse and subsequent extreme ultraviolet (EUV) production. The conversion efficiency (CE) of total laser energy into EUV emission at 13.5 nm ± 1% was 3.6%. Neglecting both the energy required to form the stagnation layer and the EUV light produced before the CO{sub 2} laser pulse is incident results in a CE of 5.1% of the CO{sub 2} laser energy into EUV light.
Authors:
; ; ; ;  [1] ;  [1] ;  [2]
  1. School of Physics, University College Dublin, Belfield, Dublin 4 (Ireland)
  2. (Ireland)
Publication Date:
OSTI Identifier:
22311231
Resource Type:
Journal Article
Resource Relation:
Journal Name: Applied Physics Letters; Journal Volume: 105; Journal Issue: 4; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; ALUMINIUM COMPOUNDS; ALUMINIUM OXIDES; CARBON DIOXIDE; CARBON DIOXIDE LASERS; COUPLING; DOPED MATERIALS; EFFICIENCY; EMISSION; EXTREME ULTRAVIOLET RADIATION; GARNETS; ILLUMINANCE; LASER-PRODUCED PLASMA; LAYERS; NEODYMIUM ADDITIONS; NEODYMIUM LASERS; PULSES; YTTRIUM COMPOUNDS