Diffraction of evanescent waves and nanomechanical displacement detection |
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| Authors: | Karabacak Devrez M Ekinci Kamil L Gan Choon How Gbur Gregory J Unlü M Selim Ippolito Stephen B Goldberg Bennett B Carney P Scott |
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| Institution: | Department of Aerospace and Mechanical Engineering, Boston University, Boston, Massachusetts 02215, USA. |
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| Abstract: | Sensitive displacement detection has emerged as a significant technological challenge in mechanical resonators with nanometer-scale dimensions. A novel nanomechanical displacement detection scheme based upon the scattering of focused evanescent fields is proposed. The sensitivity of the proposed approach is studied using diffraction theory of evanescent waves. Diffraction theory results are compared with numerical simulations. |
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