OBSERVATION OF OPTICAL RAMSEY FRINGES IN THE 10 µm SPECTRAL REGION USING A SUPERSONIC BEAM OF SF6
- 1 December 1981
- journal article
- Published by EDP Sciences in Le Journal de Physique Colloques
- Vol. 42 (C8) , C8-15
- https://doi.org/10.1051/jphyscol:1981802
Abstract
We report a first observation of optical Ramsey fringes in the 10 µm spectral region using a supersonic seeded beam of 7% SF6 in He, illuminated by a CO2 laser in spatially-separated field zones. We have used either three standing waves or four travelling waves and obtained highly contrasted fringes with a 23 kHz half-width corresponding to a 5 mm distance between zonesKeywords
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