Sensitivity Comparison of Mx and Frequency-Modulated Bell–Bloom Cs Magnetometers in a Microfabricated Cell

Author

Jiménez-Martínez, Ricardo ; Griffith, W. Clark ; Wang, Ying-Ju ; Knappe, Svenja ; Kitching, John ; Smith, Ken ; Prouty, Mark D.

Author_Institution

Dept. of Phys., Univ. of Colorado at Boulder, Boulder, CO, USA

Volume

59

Issue

2

fYear

2010

Firstpage

372

Lastpage

378

Abstract

We compare the sensitivity performance of two optically pumped atomic magnetometers based on the Mx and frequency-modulated bell-bloom configurations. The Cs magnetometers are implemented using a millimeter-scale microfabricated vapor cell. It is found that the Bell-Bloom magnetometer yields sensitivities similar to those of the Mx magnetometer when operated under equally optimized conditions. The Bell-Bloom approach offers several attractive features over the Mx approach for chip-scale magnetometer instrumentation.

Keywords

frequency modulation; magnetometers; microfabrication; sensitivity analysis; chip-scale magnetometer instrumentation; frequency-modulated bell-bloom; magnetometers; microfabricated cell; millimeter-scale microfabricated vapor cell; Chip-scale atomic magnetometer; frequency-modulated (FM) light; microfabricated vapor cell; optically pumped atomic magnetometer; vertical-cavity surface-emitting laser (VCSEL);

fLanguage

English

Journal_Title

Instrumentation and Measurement, IEEE Transactions on

Publisher

ieee

ISSN

0018-9456

Type

jour

DOI

10.1109/TIM.2009.2023829

Filename

5247087