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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 46, Iss. 22 — Aug. 1, 2007
  • pp: 4948–4953

Laser-plasma-based vacuum-ultraviolet light source for tunable single-photon ionization

Antonio Borghese and Tonia M. Di Palma  »View Author Affiliations

Applied Optics, Vol. 46, Issue 22, pp. 4948-4953 (2007)

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Vacuum-UV radiation from Xe jet-target laser-produced plasmas has been produced, spectrally dispersed, and efficiently focused onto a line-shaped interaction volume by adopting an embedded-in-the-chamber spectrograph geometry. Time-resolved 2D Rayleigh light scattering imaging has been carried out for visualizing the gas jet-laser plasma interaction and optimizing the emission intensity and the spectral resolution. We have calibrated the measured photon fluxes, reaching values higher than 10 13 photons / pulse   cm 2   nm in the 100 200   nm wavelength range within the first 20 ns from the laser pulse onset. The vacuum-UV light source is predicted to enable sensitive and selective single-photon ionization for time-of-flight mass spectrometry and similar vacuum-UV spectroscopy applications.

© 2007 Optical Society of America

OCIS Codes
(140.3440) Lasers and laser optics : Laser-induced breakdown
(300.6350) Spectroscopy : Spectroscopy, ionization
(350.5400) Other areas of optics : Plasmas

ToC Category:
Lasers and Laser Optics

Original Manuscript: February 27, 2007
Revised Manuscript: May 3, 2007
Manuscript Accepted: May 4, 2007
Published: July 3, 2007

Antonio Borghese and Tonia M. Di Palma, "Laser-plasma-based vacuum-ultraviolet light source for tunable single-photon ionization," Appl. Opt. 46, 4948-4953 (2007)

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