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An Optimized Frequency Locking Loop Employing FM Spectroscopy for a CPT Based Atomic Clock

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3 Author(s)
Ido Ben-Aroya ; Electrical Engineering department, Technion-Israel Institute of Technology, Haifa, Israel. ; Matan Kahanov ; Gadi Eisenstein

We present an experimental optimization of the frequency modulation spectroscopy parameters used for a locking loop of a CPT based atomic clock. The optimized operating conditions yield a feedback signal with the largest obtainable signal to noise ratio with which we achieve state of the art clock performance in a system employing a miniature glass Rubidium vapor cell.

Published in:

2007 IEEE International Frequency Control Symposium Joint with the 21st European Frequency and Time Forum

Date of Conference:

May 29 2007-June 1 2007