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Implementing the plasma-lasing potential for table-top nano-imaging

Type of publication Peer-reviewed
Publikationsform Original article (peer-reviewed)
Author Ruiz-Lopez Mabel, Bleiner Davide,
Project "ELAN" - EUV Laser for Actinic Nano-imaging.
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Original article (peer-reviewed)

Journal Applied Physics B: Lasers and Optics
Title of proceedings Applied Physics B: Lasers and Optics
DOI DOI 10.1007/s00340-013-5606-z

Abstract

Implementing the plasma-lasing potential for tabletop nano-imaging on across a hot plasma medium drives short-wavelength lasing, promising for ‘‘turnkey’’ nano-imaging setups. A systematic study of the illumina- tion characteristics, combined with design-adapted objec- tives, is presented. It is shown how the ultimate nano-scale feature is dictated by either the diffraction-limited or the wavefront-limited resolution, which imposed a combined study of both the source and the optics. For nano-imaging, the spatial homogeneity of the illumination (spot noise) was shown as critical. Plasma-lasing from a triple grazing- incidence pumping scheme compensated for the missing spot homogeneity in classical schemes. We demonstrate that a collimating mirror pre-conditions both the pointing stability and the divergence below half a mrad.
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