Microfabricated atomic clocks and magnetometers

doi:10.1088/1464-4258/8/7/S04

Microfabricated atomic clocks and magnetometers

S Knappe et al 2006 J. Opt. A: Pure Appl. Opt. 8 S318-S322 doi: 10.1088/1464-4258/8/7/S04

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S Knappe^1,2, P D D Schwindt¹, V Gerginov^1,3, V Shah^1,2, L Liew⁴, J Moreland⁴, H G Robinson¹, L Hollberg¹ and J Kitching¹
¹ Time and Frequency Division, National Institute of Standards and Technology, Boulder, CO 80305, USA
² Department of Physics, University of Colorado, Boulder, CO 80309, USA
³ Department of Physics, University of Notre Dame, Notre Dame, IN 46556, USA
⁴ Electromagnetics Division, National Institute of Standards and Technology, Boulder, CO 80305, USA
E-mail: knappe@boulder.nist.gov

Abstract. We demonstrate the critical subsystems of a compact atomic clock based on a microfabricated physics package. The clock components have a total volume below 10 cm³, a fractional frequency instability of 6 × 10⁻¹⁰/τ^1/2, and consume 200 mW of power. The physics package is easily adapted to function as a magnetometer with sensitivity below 50 pT Hz^−1/2 at 10 Hz.

Keywords: atomic clocks, atomic magnetometers, high-resolution spectroscopy, micro-optics

Print publication: Issue 7 (July 2006)
Received 30 September 2005, accepted for publication 9 December 2005
Published 31 May 2006

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Microfabricated atomic clocks and magnetometers

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