Polarization Configuration and Control Method of Micro-Raman Spectros Copy for in-Plane Strainmeasurement by Using Carbon Nanotube Sensor

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This paper introduceda study for the methodology of carbon nanotube (CNT) sensor applicable for the strain measurement in microscale. By using the Raman strain sensitive and polarization selectivity of the carbon nanotubes, the analytical relationship of carbon nanotube strain sensor for each polarization Raman configuration are deduced and compared. The work regarded that the dual coordination polarization-controlled configuration is most suitable for the in-plane strain measurement. Then, a new method for this configuration is presented. Experiments proved that the proposed method can effectively realize the measurement of in-plane strain components by using polarized Raman.

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675-680

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September 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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