Measurement of the tune-out wavelength for $^{133}$Cs at $880$ nm
Apichayaporn Ratkata,
Philip D. Gregory,
Andrew D. Innes
et al.
Abstract:We perform a measurement of the tune-out wavelength, λ0, between the D1, 6 2 S 1/2 → 6 2 P 1/2 , and D2, 6 2 S 1/2 → 6 2 P 3/2 , transitions for 133 Cs in the ground hyperfine state (F = 3, mF = +3). At λ0, the frequency-dependent scalar polarizability is zero leading to a zero scalar ac Stark shift. We measure the polarizability as a function of wavelength using Kapitza-Dirac scattering of a 133 Cs Bose-Einstein condensate in a one-dimensional optical lattice, and determine the tuneout wavelength to be λ0 = 8… Show more
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