Continuous-wave measurement of the hydrogen 1S-2S transition frequency.

We have measured the 1S-2S transition frequency in atomic hydrogen with a precision of 7 parts in 1010 by continuous-wave Doppler-free two-photon spectroscopy. We employ cavity-enhanced multimilliwatt radiation near 243 nm produced by sum-frequency generation, and we observe the 1S-2S transition in...

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Những tác giả chính: McIntyre, D, Beausoleil, R, Foot, C, Hildum, E, Couillaud, B, Hänsch, T
Định dạng: Journal article
Ngôn ngữ:English
Được phát hành: 1989

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