Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...371l..85z&link_type=abstract
Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 371, April 20, 1991, p. L85, L86.
Astronomy and Astrophysics
Astrophysics
18
Atmospheric Composition, Fine Structure, Infrared Spectroscopy, Interstellar Matter, Laser Outputs, Oxygen Atoms, Carbon Dioxide Lasers, Far Infrared Radiation, Mim (Semiconductors), Planetary Atmospheres, Tunable Lasers
Scientific paper
Fine-structure splittings of atomic oxygen (O-16) in the ground state have been accurately measured using a tunable far-infrared spectrometer. The 3P0-3pl splitting is 2,060,069.09 (10) MHz, and the 3Pl-3P2 splitting is 4,744,777.49 (16) MHz. These frequencies are important for measuring atomic oxygen concentration in earth's atmosphere and the interstellar medium.
Evenson Kenneth M.
Matsushima Fusakazu
Nelis Thomas
Robinson Ruth L.
Zink Lyndon R.
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