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Lamb-dips and Lamb-peaks in the saturation spectrum of HD.

Authors
  • Diouf, M L
  • Cozijn, F M J
  • Darquié, B
  • Salumbides, E J
  • Ubachs, W
Type
Published Article
Journal
Optics Letters
Publisher
The Optical Society
Publication Date
Oct 01, 2019
Volume
44
Issue
19
Pages
4733–4736
Identifiers
DOI: 10.1364/OL.44.004733
PMID: 31568429
Source
Medline
Language
English
License
Unknown

Abstract

The saturation spectrum of the R(1) transition in the (2-0) band in hydrogen deuteride (HD) is found to exhibit a composite line shape, involving a Lamb-dip and a Lamb-peak. We propose an explanation for such behavior based on the effects of crossover resonances in the hyperfine substructure, which is made quantitative in a density matrix calculation. This resolves an outstanding discrepancy on the rovibrational R(1) transition frequency, which is now determined at 217,105,181,901 (50) kHz and in agreement with current theoretical calculations.

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