title: Stokes shifted laser lines in KrF-pumped hydrogen: reduction of beam divergence by addition of helium.
abstract: The beam divergences of the recollimated Stokes shifted lines of H(2) excited by a focused KrF laser are reduced by addition of helium.
authors.forename: D
authors.initials: D
authors.lastname: Diebel
authors.forename: M
authors.initials: M
authors.lastname: Bristow
authors.forename: R
authors.initials: R
authors.lastname: Zimmermann