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Absolute frequency determination of the $5P_{3/2} \rightarrow 7S_{1/2}$ transition in $^{87}Rb$

Pandey, Kanhaiya and Kumar, Kiran PV and Suryanarayana, MV and Natarajan, Vasant (2008) Absolute frequency determination of the $5P_{3/2} \rightarrow 7S_{1/2}$ transition in $^{87}Rb$. In: Optics Letters, 33 (15). pp. 1675-1677.

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We report the absolute frequency of the important $5S_{1/2} \rightarrow 7S_{1/2}$ two-photon transition in $^{87}Rb$. We access the upper state using two dipole-allowed transitions via the intermediate $5P_{3/2}$ state. This allows us to use much lower laser intensities compared to directly driving the two-photon transition, thereby avoiding potential errors due to the AC Stark shift. Collisional shifts are also minimized because the atomic density required is several orders of magnitude smaller. Our values are consistent with earlier frequency-comb measurements.

Item Type: Journal Article
Publication: Optics Letters
Publisher: Optical Society of America
Additional Information: Copyright of this article belongs to Optical Society of America.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 12 Sep 2008 06:00
Last Modified: 19 Sep 2010 04:49
URI: http://eprints.iisc.ac.in/id/eprint/15724

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