Measurement of holmium Rydberg series through magneto-optical trap depletion spectroscopy

被引：22

作者：

Hostetter, J. ^{[1
]}

Pritchard, J. D. ^{[1
]}

Lawler, J. E. ^{[1
]}

Saffman, M. ^{[1
]}

机构：

[1] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA

来源：

PHYSICAL REVIEW A | 2015年 / 91卷 / 01期

基金：

美国国家科学基金会;

关键词：

RESONANCE IONIZATION SPECTROSCOPY; LASER SPECTROSCOPY; STATES; ATOM; ELEMENTS; SPECTRA; HO-165;

D O I：

10.1103/PhysRevA.91.012507

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report measurements of the absolute excitation frequencies of Ho-165 4f(11)6sns and 4f(11)6snd odd-parity Rydberg series. The states are detected through depletion of a magneto-optical trap via a two-photon excitation scheme. Measurements of 162 Rydberg levels in the range n = 40-101 yield quantum defects well described by the Rydberg-Ritz formula. We observe a strong perturbation in the ns series around n = 51 due to an unidentified interloper at 48515.47(4) cm(-1). From the series convergence, we determine the first ionization potential E-IP = 48565.910(3) cm(-1), which is three orders of magnitude more accurate than previous work. This work is an important step towards using Ho atoms for collective encoding of a quantum register.

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页数：7

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