title: Two-color reduced-Doppler ion imaging.
abstract: We demonstrate a two-color reduced-Doppler probe for ion imaging that, in many applications, offers advantages over conventional 2+1 resonance-enhanced multiphoton ionization detection. Using counterpropagating beams of two different colors, one of which is broadband 266 nm, we achieve convenient and sensitive D atom detection without the need for Doppler scanning. We demonstrate the approach using 224 nm photodissociation of DBr. This method improves the sensitivity and signal-to-noise ratio and presents advantages and opportunities for use in the other systems.
authors.affiliation: Department of Chemistry, Wayne State University, Detroit, MI 48202, USA.
authors.forename: Cunshun
authors.initials: C
authors.lastname: Huang
authors.forename: Wen
authors.initials: W
authors.lastname: Li
authors.forename: Myung Hwa
authors.initials: MH
authors.lastname: Kim
authors.forename: Arthur G
authors.initials: AG
authors.lastname: Suits