What is the oscillation amplitude of a vibrating cantilever?
John Elie Sader
REVIEW OF SCIENTIFIC INSTRUMENTS | AMER INST PHYSICS | Published : 2019
Resonant amplification of vibrational amplitude underpins the application of nanomechanical sensors. For cantilever sensors, this amplification is widely reported to be equal to the sensor's quality factor, which strongly underestimates its true value. Here, we present a simple analytical formula for this amplification factor, valid for three-dimensional resonators of arbitrary shape, that will find utility in practice.
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Awarded by Australian Research Council Centre of Excellence in Exciton Science
The author gratefully acknowledges support from the Australian Research Council Centre of Excellence in Exciton Science (Grant No. CE170100026) and the Australian Research Council Grants Scheme.