Precise measurements of 39K nS and nD energy levels with an evaluated wavemeter
作者： C.-J. Lorenzen , K. Niemax , L.R. Pendrill
DOI: 10.1016/0030-4018(81)90225-X
关键词: Wavelength 、 Energy (signal processing) 、 Absolute accuracy 、 Physics 、 Ionization 、 Spectroscopy 、 Laser 、 Limit (mathematics) 、 Nitrogen–phosphorus detector 、 Atomic physics 、 Optics
摘要: Abstract We have measured the energy values of n 2 S 1 (9⩽n⩽46) and D 5 , 3 (7⩽n⩽46) states 39 K I by Doppler-free two-photon spectroscopy with a thermionic detector. The laser wavelengths transitions were determined an evacuated wavemeter, whose absolute accuracy is about 2×10 -8 . By applying extended Rydberg-Ritz formula to - data, ionization limit was found be 35009.8140±0.0007 cm -1
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