期刊
OPTICS EXPRESS
卷 25, 期 4, 页码 3411-3419出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.25.003411
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资金
- AFOSR
- NSF
- Stanford Graduate Fellowship
- Division Of Physics
- Direct For Mathematical & Physical Scien [1403396] Funding Source: National Science Foundation
We report the first measurement of a tune-out wavelength for ground-state bosonic Dy and linearly polarized light. The tune-out wavelength is measured as a detuning from the nearby narrow-line 741-nm transition in Dy-162, and is the wavelength at which the total Stark shift of the ground state vanishes. We find that it strongly depends on the relative angle between the optical field and quantization axis due to Dy's large tensor polarizability. This anisotropy provides a wide, 22-GHz tunability of the tune-out frequency for linearly polarized light, in contrast to Rb and Cs whose near-infrared tune-out wavelengths do not exhibit large anisotropy. The measurements of the total light shift are performed by measuring the contrast of multipulse Kapitza-Dirac diffraction. The calculated wavelengths are within a few GHz of the measured values using known Dy electronic transition data. The lack of hyperfine structure in bosonic Dy implies that the tune-out wavelengths for the other bosonic Dy isotopes should be related to this Dy-162 measurement by the known isotope shifts. (C) 2017 Optical Society of America
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