Non-resonant parametric amplification in biomimetic hair flow sensors: Selective gain and tunable filtering

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Droogendijk, H. and Bruinink, C.M. and Sanders, R.G.P. and Krijnen, G.J.M. (2011) Non-resonant parametric amplification in biomimetic hair flow sensors: Selective gain and tunable filtering. Applied Physics Letters, 99 (21). p. 213503. ISSN 0003-6951

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Abstract:We demonstrate that the responsivity of flow sensors for harmonic flows can be improved significantly by non-resonant parametric amplification. Using electrostatic spring softening by AC-bias voltages, increased responsivity and sharp filtering are achieved in our biomimetic flow sensors. Tunable filtering is obtained for non-resonant electromechanical parametric amplification, applicable at a wide range of non-resonant frequencies while achieving highly selective gain of up to 20 dB.
Item Type:Article
Copyright:© 2011 American Institute of Physics
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/78553
Official URL:http://dx.doi.org/10.1063/1.3663865
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