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

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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 - Jan 1 2000

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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    Remillard, J. T., Uy, D., Weber, W. H., Capasso, F., Gmachl, C. F., Hutchinson, A. L., Sivco, D. L., Baillargeon, J. N., & Cho, A. Y. (2000). Sub-Doppler resolution limited Lamb-dip spectroscopy of NO with a quantum cascade distributed feedback laser. Optics Express, 7(7), 243-248. https://doi.org/10.1364/OE.7.000243