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Microfabricated atomic clocks and magnetometers

S Knappe1,2, P D D Schwindt1, V Gerginov1,3, V Shah1,2, L Liew4, J Moreland4, H G Robinson1, L Hollberg1 and J Kitching1

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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 × 10−101/2, 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.


PACS

85.85.+j Micro- and nano-electromechanical systems (MEMS/NEMS) and devices

07.55.Ge Magnetometers for magnetic field measurements

06.30.Ft Time and frequency

42.82.Cr Fabrication techniques; lithography, pattern transfer

Subjects

Electronics and devices

Instrumentation and measurement

Optics, quantum optics and lasers

Nanoscale science and low-D systems

Dates

Issue 7 (July 2006)

Received 30 September 2005, accepted for publication 9 December 2005

Published 31 May 2006



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