Sensitivity of cavity optomechanical field sensors

J. Knittel; S. Forstner; J. Swaim; H. Rubinsztein-Dunlop; W. P. Bowen

doi:10.1117/12.923136

30 January 2012 Sensitivity of cavity optomechanical field sensors

J. Knittel, S. Forstner, J. Swaim, H. Rubinsztein-Dunlop, W. P. Bowen

Proceedings Volume 8351, Third Asia Pacific Optical Sensors Conference; 83510H (2012) https://doi.org/10.1117/12.923136
Event: Asia Pacific Optical Sensors Conference, 2012, Sydney, Australia

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.

Citation Download Citation

J. Knittel, S. Forstner, J. Swaim, H. Rubinsztein-Dunlop, and W. P. Bowen "Sensitivity of cavity optomechanical field sensors", Proc. SPIE 8351, Third Asia Pacific Optical Sensors Conference, 83510H (30 January 2012); https://doi.org/10.1117/12.923136

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