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Title:Detection And Identification Of Platinum Fluoride, Ptf: Analysis Of The (0,0) Band Of The [15.3]Ω=3/2 – x 2Π3/2 Transition Using Intracavity Laser Spectroscopy
Author(s):Welch, Caroline A
Contributor(s):O'Brien, Leah C.; O'Brien, James J; Harms, Jack C
Subject(s):Small molecules
Abstract:A new electronic transition of PtF has been recorded at high resolution using Intracavity Laser Spectroscopy (ILS). The PtF molecules were produced in a current regulated RF discharge operating with 0.20-0.80 A applied to a Pt-lined Cu hollow cathode in 0.50-1.25 Torr total pressure comprised of 1-5\% SF$_{6}$ in an Ar/He sputter gas mixture. This hollow cathode was located within the resonator cavity of a tunable DCM dye laser operating over the 14,500-16,500 \wn $ $ range, and effective pathlengths of 0.4-2.0 km were utilized with the ILS method. The band system observed corresponds to the (0,0) band of the [15.3]$\Omega$=3/2 – \textit{X} $^{2}$$\Pi$$_{3/2}$ transition. Rotational assignments for the transitions have been confirmed through combination difference analysis using known ground state constants. The data were fit using PGOPHER with a standard Hund’s case (\textit{c}) energy level expression. Spectra and results of the analysis will be presented.
Issue Date:2021-06-25
Publisher:International Symposium on Molecular Spectroscopy
Genre:Conference Paper / Presentation
Date Available in IDEALS:2021-09-24

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