A General Purpose XUV-Laser-Spectrometer: Some Applications to N2, O2 and CO2

T. P. Softley, Wolfgang Ernst, Lynn Tashiro, R. N. Zare

Research output: Contribution to journalArticlepeer-review

Abstract

Coherent radiation is generated from 90 to 105 nm by frequency tripling the frequency-doubled output of a pulsed Nd: YG-pumped dye laser using a synchronized pulsed jet of various gases as the nonlinear medium. The XUV radiation is isolated by a pair of dichroic mirrors before interacting with a supersonically cooled gas target. Provisions have been made to measure the photoion yield as a function of wavelength using a time-of-flight mass spectrometer. In addition absorption by the target gas or fluorescence from the excited target and/or its fragments can be detected. Some applications are presented which illustrate the versatility of this XUV laser spectrometer involving 1+1 resonance-enhanced multiphoton ionization of N2 and excitation of Rydberg states of O2 and CO2.
Original languageEnglish
Pages (from-to)299-309
JournalChemical Physics
Volume116
Issue number3
DOIs
Publication statusPublished - 1987
Externally publishedYes

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