Absolute frequency measurements in Yb with 0.08 ppb uncertainty: Isotope shifts and hyperfine structure in the 399-nm $^{1}S_{0} -> ^{1}P_{1}$ line

Das, Dipankar and Barthwal, Sachin and Banerjee, Ayan and Natarajan, Vasant (2005) Absolute frequency measurements in Yb with 0.08 ppb uncertainty: Isotope shifts and hyperfine structure in the 399-nm $^{1}S_{0} -> ^{1}P_{1}$ line. In: Physical Review A, 72 (3).

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Abstract

We apply our recent technique of using a Rb-stabilized ring-cavity resonator to measure the absolute frequencies of various isotopic components in the 399-nm $^{1}S_{0} -> ^{1}P_{1}$ line of Yb. For the transitionin $^{174}Yb$, we obtain a value of 751 525 987.761(60) MHz, representing a relative uncertainty of 0.08 ppb. We also obtain the isotope shifts and hyperfine structure with 50 kHz precision, an order-of-magnitude improvement over our earlier measurements on this line. Our earlier work had helped in resolving some discrepancies among previous measurements, and the present work further confirms those results.

Item Type:	Journal Article
Additional Information:	Copyright for this article belongs to American Physical Society.
Department/Centre:	Division of Physical & Mathematical Sciences > Physics
Date Deposited:	04 Nov 2005
Last Modified:	19 Sep 2010 04:20
URI:	http://eprints.iisc.ernet.in/id/eprint/3940

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