Measurements of evanescent wave in a sandwich Lamb wave sensor

Feng Li; Jean Fraņois Manceau; Yihui Wu; Fraņois Bastien

doi:10.1063/1.3009562

Measurements of evanescent wave in a sandwich Lamb wave sensor

Feng Li^*, Jean Fraņois Manceau, Yihui Wu, Fraņois Bastien

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

One method for evanescent wave measurement of the Lamb wave biosensor is proposed by putting another Lamb wave device above the first with the distance less than the evanescent field penetration depth in the liquid. The liquid layer is sandwiched with the two Lamb wave devices. The devices are interacted by an evanescent field; thus the evanescent wave can be studied. The mode is split by the interaction of the evanescent wave. The investigation of the evanescent field gives insight into acoustic biosensors and provides precise and multiparameter measurements.

Original language	English
Article number	174101
Journal	Applied Physics Letters
Volume	93
Issue number	17
DOIs	https://doi.org/10.1063/1.3009562
Publication status	Published - 2008
Externally published	Yes

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10.1063/1.3009562

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abstract = "One method for evanescent wave measurement of the Lamb wave biosensor is proposed by putting another Lamb wave device above the first with the distance less than the evanescent field penetration depth in the liquid. The liquid layer is sandwiched with the two Lamb wave devices. The devices are interacted by an evanescent field; thus the evanescent wave can be studied. The mode is split by the interaction of the evanescent wave. The investigation of the evanescent field gives insight into acoustic biosensors and provides precise and multiparameter measurements.",

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AB - One method for evanescent wave measurement of the Lamb wave biosensor is proposed by putting another Lamb wave device above the first with the distance less than the evanescent field penetration depth in the liquid. The liquid layer is sandwiched with the two Lamb wave devices. The devices are interacted by an evanescent field; thus the evanescent wave can be studied. The mode is split by the interaction of the evanescent wave. The investigation of the evanescent field gives insight into acoustic biosensors and provides precise and multiparameter measurements.

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Measurements of evanescent wave in a sandwich Lamb wave sensor

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