# Precise measurement of hyperfine structure in the $5P_{3/2}$ state of $^8^5\hspace{1mm}_{Rb}$

Rapol, UD and Krishna, A and Natarajan, V (2003) Precise measurement of hyperfine structure in the $5P_{3/2}$ state of $^8^5\hspace{1mm}_{Rb}$. In: European Physical Journal D, 23 (2). pp. 185-188.

 PDF Precise_measurement_of_hyperfine_structure.pdf Restricted to Registered users only Download (367Kb) | Request a copy

## Abstract

We demonstrate a technique to measure hyperfine structure using a frequency-stabilized diode laser and an acousto-optic modulator locked to the frequency difference between two hyperfine peaks. We use this technique to measure hyperfine intervals in the $5P_3_/_2$ state of $^8^5Rb$ and obtain a precision of 20 kHz. We extract values for the magnetic-dipole coupling constant A = 25.038(5) MHz and the electric-quadrupole coupling constant B = 26.011(22) MHz. These values are a significant improvement over previous results.

Item Type: Journal Article Copyright of this article belongs to Springer-Verlag. Division of Physical & Mathematical Sciences > Physics 02 Jun 2006 19 Sep 2010 04:28 http://eprints.iisc.ernet.in/id/eprint/7328