Two narrow-band extended-cavity semiconductor lasers are locked onto sub-Doppler resonances of the 5S2-5P1 transition at 777 nm in different isotopes of atomic oxygen. Mixing radiation from these lasers in a fast photodiode yields a direct measurement of the isotope shift.
Heterodyning of AlGaAs lasers: direct frequency measurement of the isotope shift in the oxygen atom / F. Marin;P. De Natale;M. Inguscio;M. Prevedelli;L. R. Zink;G. M. Tino. - In: OPTICS LETTERS. - ISSN 0146-9592. - STAMPA. - 17:(1992), pp. 148-150. [10.1364/OL.17.000148]
Heterodyning of AlGaAs lasers: direct frequency measurement of the isotope shift in the oxygen atom
MARIN, FRANCESCO;INGUSCIO, MASSIMO;PREVEDELLI, MARCO;TINO, GUGLIELMO MARIA
1992
Abstract
Two narrow-band extended-cavity semiconductor lasers are locked onto sub-Doppler resonances of the 5S2-5P1 transition at 777 nm in different isotopes of atomic oxygen. Mixing radiation from these lasers in a fast photodiode yields a direct measurement of the isotope shift.
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