Microwave observation of 41K 79Br and 41K 81Br from laser-ablated potassium bromide

Brooke A. Timp, Jamie L. Doran, Shyam Iyer, Jens Uwe Grabow, Kenneth R. Leopold

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

The J = 2 ← 1 transitions of the previously unobserved isotopologues 41K 79Br and 41K 81Br have been recorded with a pulsed-nozzle Fourier transform microwave spectrometer, newly combined with a 532 nm laser ablation source. Aspects of the experimental design are described. Rotational and nuclear quadrupole coupling constants are obtained and combined with published results for 39K 79Br and 39K 81Br to produce a set of isotopically invariant parameters. New rotational transitions of 23Na 35,37Cl, 39K 79Br, and 39K 127I have also been recorded. Excited vibrational states are not observed, indicating efficient cooling of the metal halides following the initial ablation event.

Original languageEnglish (US)
Pages (from-to)20-24
Number of pages5
JournalJournal of molecular spectroscopy
Volume271
Issue number1
DOIs
StatePublished - Jan 2012

Bibliographical note

Funding Information:
This work was supported by the National Science Foundation , Grant # CHE 0845290 . We are grateful to Professor Xiaoyang Zhu for initial loan of a frequency doubled Nd:YAG laser, to Professor Michael Morse for his generous advice on laser ablation, and to Carl Johnson and Chris Cook of the Physics and Astronomy Machine Shop at the University of Minnesota for invaluable help in designing and constructing the apparatus.

Keywords

  • Alkali halide
  • Laser ablation
  • Mass invariant Dunham parameters
  • Microwave spectrum
  • Potassium bromide

Fingerprint Dive into the research topics of 'Microwave observation of <sup>41</sup>K <sup>79</sup>Br and <sup>41</sup>K <sup>81</sup>Br from laser-ablated potassium bromide'. Together they form a unique fingerprint.

Cite this