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Proceedings Paper

Sensitivity of cavity optomechanical field sensors
Author(s): J. Knittel; S. Forstner; J. Swaim; H. Rubinsztein-Dunlop; W. P. Bowen
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Paper Abstract

This article presents a technique for modeling cavity optomechanical field sensors. A magnetic or electric field induces a spatially varying strain across the sensor. The effect of this strain is accounted for by separating the mechanical motion of the sensor into eigenmodes, each modeled by a simple harmonic oscillator. The force induced on each oscillator can then be determined from an overlap integral between strain and the corresponding eigenmode, with the optomechanical coupling strength determining the ultimate resolution with which this force can be detected.

Paper Details

Date Published: 30 January 2012
PDF: 8 pages
Proc. SPIE 8351, Third Asia Pacific Optical Sensors Conference, 83510H (30 January 2012); doi: 10.1117/12.923136
Show Author Affiliations
J. Knittel, The Univ. of Queensland (Australia)
S. Forstner, The Univ. of Queensland (Australia)
TU München (Germany)
J. Swaim, The Univ. of Queensland (Australia)
H. Rubinsztein-Dunlop, The Univ. of Queensland (Australia)
W. P. Bowen, The Univ. of Queensland (Australia)

Published in SPIE Proceedings Vol. 8351:
Third Asia Pacific Optical Sensors Conference
John Canning; Gangding Peng, Editor(s)

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