Sub-Doppler resolution limited Lamb-dip spectroscopy of NO with a quantum cascade distributed feedback laser

J. T. Remillard, D. Uy, W. H. Weber, F. Capasso, Claire F. Gmachl, A. L. Hutchinson, D. L. Sivco, J. N. Baillargeon, A. Y. Cho

Research output: Contribution to journalArticlepeer-review

39 Scopus citations

Abstract

A quantum cascade distributed feedback laser operating at 5.2 μm is used to obtain sub-Doppler resolution limited saturation features in a Lamb-dip experiment on the R(13.5)1/2 and R(13.5)3/2 transitions of NO. The dips appear as transmission spikes with full widths of ∼ 4.3 MHz. At this resolution the 73 MHz Λ-doubling of the R(13.5)3/2 line, which is normally obscured by the 130 MHz Doppler broadening, is easily resolved.

Original languageEnglish (US)
Pages (from-to)243-248
Number of pages6
JournalOptics Express
Volume7
Issue number7
DOIs
StatePublished - Sep 2000

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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