Accession Number : ADA302062
Title : SAGNAC Spectroscopy.
Descriptive Note : Final rept. 1 Mar 92-31 Dec 94,
Corporate Author : NEW MEXICO UNIV ALBUQUERQUE DEPT OF PHYSICS AND ASTRONOMY
Personal Author(s) : Diels, Jean-Claude
PDF Url : ADA302062
Report Date : AUG 1995
Pagination or Media Count : 9
Abstract : "Sagnac Spectroscopy" is performed by monitoring the change in beat note between counterpropagating beams in a ring laser, while linearly scanning the difference in cavity frequencies for opposite directions. With a sample of Samarium inserted in the laser, resonances associated with the hyperfine splitting are observed, with a resolution better than 10kHz, even though the laser bandwidth exceeds 1THz. The measurements performed leads to a complete determination of the 3x3 density matrix of a lambda or V level system. jg p.1
Descriptors : *FREQUENCY, *SPECTROSCOPY, *LASERS, *SAMARIUM, LINEAR SYSTEMS, LASER CAVITIES, RING LASERS, PROPAGATION, LASER BEAMS, RESONANCE, BANDWIDTH, HYPERFINE STRUCTURE.
Subject Categories : Inorganic Chemistry
Lasers and Masers
Atomic and Molecular Physics and Spectroscopy
Distribution Statement : APPROVED FOR PUBLIC RELEASE