Ultrasensitive Optomechanical Magnetometry

被引：105

作者：

Forstner, Stefan ^{[1
]}

Sheridan, Eoin ^{[1
]}

Knittel, Joachim ^{[1
]}

Humphreys, Christopher L. ^{[1
]}

Brawley, George A. ^{[1
]}

Rubinsztein-Dunlop, Halina ^{[1
,2
]}

Bowen, Warwick P. ^{[1
,2
]}

机构：

[1] Univ Queensland, Sch Math & Phys, St Lucia, Qld 4072, Australia

[2] Univ Queensland, Ctr Engineered Quantum Syst, Brisbane, Qld 4072, Australia

来源：

ADVANCED MATERIALS | 2014年 / 26卷 / 36期

基金：

英国工程与自然科学研究理事会; 澳大利亚研究理事会;

关键词：

cavity-optomechanics; magnetometry; optical sensing; silicon-chip sensing; cyrogen-free; RESOLUTION; MICROCAVITIES; SPINS; SHIFT; MODE;

D O I：

10.1002/adma.201401144

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A cavity optomechanical magnetometeroperating in the 100 pT range is reported. The device operates at earth field, achieves tens of megahertz bandwidth with 60 mu m spatial resolution and microwatt optical-power requirements. These unique capabilities may have a broad range of applications including cryogen-free and microfluidic magnetic resonance imaging (MRI), and investigation of spin-physics in condensed matter systems.

引用

页码：6348 / 6353

页数：6

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