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We report the first measurement of a tune-out wavelength for ground-statebosonic Dy and linearly polarized light. The tune-out wavelength measured isnear the narrow-line 741-nm transition in $^{162}$Dy, and is the wavelength atwhich the total Stark shift of the ground state vanishes. We find that itstrongly depends on the relative angle between the optical field andquantization axis due to Dy's large tensor polarizability. This anisotropyprovides a wide, 22-GHz tunability of the tune-out frequency for linearlypolarized light, in contrast to Rb and Cs whose near-infrared tune-outwavelengths do not exhibit large anisotropy. The measurements of the totallight shift are performed by measuring the contrast of multipulse Kapitza-Diracdiffraction. The calculated wavelengths are within a few GHz of the measuredvalues using known Dy electronic transition data. The lack of hyperfinestructure in bosonic Dy implies that the tune-out wavelengths for the otherbosonic Dy isotopes should be related to this $^{162}$Dy measurement by theknown isotope shifts.

Anisotropic dependence of tune-out wavelength near Dy 741-nm transition