Generation of laser-polarized xenon using fiber-coupled laser-diode arrays narrowed with integrated volume holographic gratings

Panayiotis Nikolaou, Nicholas Whiting, Neil A. Eschmann, Kathleen E. Chaffee, Boyd M. Goodson, Michael J. Barlow

Research output: Contribution to journalArticlepeer-review

33 Scopus citations

Abstract

Volume holographic gratings (VHGs) can be exploited to narrow the spectral output of high-power laser-diode arrays (LDAs) by nearly an order of magnitude, permitting more efficient generation of laser-polarized noble gases for various applications. A ∼3-fold improvement in 129Xe nuclear spin polarization, PXe, (compared to a conventional LDA) was achieved with the VHG-LDA's center wavelength tuned to a wing of the Rb D1 line. Additionally, an anomalous dependence of PXe on the xenon density within the OP cell is reported-including high PXe values (>10%) at high xenon partial pressures (∼1000 torr).

Original languageEnglish (US)
Pages (from-to)249-254
Number of pages6
JournalJournal of Magnetic Resonance
Volume197
Issue number2
DOIs
StatePublished - Apr 1 2009

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Biochemistry
  • Nuclear and High Energy Physics
  • Condensed Matter Physics

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