High-precision measurement of ²⁰Ne and ²²Ne transitions

Abstract

In a crossed laser-atomic-beam experiment, eight neon transitions between the levels 1s and 2p are measured to an accuracy of 3–4 parts in 10¹⁰ by a direct comparison with a standard laser from the National Bureau of Standards. These transitions are 1s₅ → 2p₇, 1s₃ → 2p₅, 1s₅ → 2p₈, and 1s₃ → 2p₇ from both ²⁰Ne and ²²Ne. The isotope shifts of these transitions are determined to an accuracy of 0.1 MHz.

© 1987 Optical Society of America

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