Far-infrared-laser magnetic-resonance spectroscopy of 4He S and P states

M. Rosenbluh, Han Le, B. Lax, R. Panock, Terry A. Miller

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


A CO2-pumped far-infrared (FIR) laser has been used to drive transitions between S and P levels of 4He Rydberg states with the same principal quantum number (n). The levels are tuned to resonance with the fixed-frequency FIR laser through application of an intense magnetic field. Measurements of such transitions are particularly valuable as they provide high-resolution data for low L states, a previously ill-defined area in the otherwise wellknown energy-level structure of 4He.

Original languageEnglish
Pages (from-to)99-101
Number of pages3
JournalOptics Letters
Issue number2
StatePublished - Feb 1981
Externally publishedYes


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