Femtotesla atomic magnetometry in a microfabricated vapor cell

被引：135

作者：

Griffith, W. Clark ^{[1
]}

Knappe, Svenja ^{[1
,2
]}

Kitching, John ^{[1
]}

机构：

[1] Natl Inst Stand & Technol, Div Time & Frequency, Boulder, CO 80305 USA

[2] Univ Colorado, Boulder, CO 80309 USA

来源：

OPTICS EXPRESS | 2010年 / 18卷 / 26期

关键词：

D O I：

10.1364/OE.18.027167

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We describe an optically pumped Rb-87 magnetometer with 5 fT/Hz(1/2) sensitivity when operated in the spin-exchange relaxation free (SERF) regime. The magnetometer uses a microfabricated vapor cell consisting of a cavity etched in a 1 mm thick silicon wafer with anodically bonded Pyrex windows. The measurement volume of the magnetometer is 1 mm(3), defined by the overlap region of a circularly polarized pump laser and a linearly polarized probe laser, both operated near 795 nm. Sensitivity limitations unique to the use of microfabricated cells are discussed. (C)2010 Optical Society of America

引用

页码：27167 / 27172

页数：6

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