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Cooling of the SPM cantilever by nonlinear mechanical frequency modulation with cavity‐induced radiation force


We perform a systematic analysis of the dynamics of a scanning probe microscope (SPM) cantilever incorporating the mechanical nonlinearity by the cavity‐induced radiation force (CIRF) under the random noise depending on the ambient conditions. It has been clarified that higher vibration modes emerge and modulate the mechanical frequency of the cantilever to greatly suppress its amplitude by increasing CIRF.

Particularly, we have revealed that the cooling efficiency of translational motion of cantilever can be controlled by changing the properties of ambient environment. The results and discussion here will give us guiding principles to control the sensitivity of SPM by utilizing CIRF (© 2012 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

Authors:   Nguyen Duy Vy, Takuya Iida
Journal:   physica status solidi (c)
Year:   2012
Pages:   n/a
DOI:   10.1002/pssc.201200440
Publication date:   29-Oct-2012
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