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Laser induced deformation in polydimethylsiloxane membranes with embedded carbon nanopowder

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Abstract:

We demonstrate optically induced micron-range deformation of polydimethylsiloxane (PDMS) membranes with embedded carbon nanopowder. The mechanical deformation can be controlled by low power laser irradiation of the samples and the resulting surface modifications are analyzed via dynamic speckle measurements. Photothermal effects due to optical absorption by the nanopowder are shown to deform the polymer samples leading to localized mechanical stresses induced via thermal expansion of the PDMS.

Document Type: Research Article

DOI: http://dx.doi.org/10.1088/0964-1726/22/3/037001

Publication date: March 1, 2013

iop/sms/2013/00000022/00000003/art037001
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