Using holographic optical tweezers to measure forces with AFM-like probes

D M Carberry; L Ikin; J A Grieve; S Hanna; G M Gibson; M J Padgett; M J Miles

doi:10.1364/OTA.2009.OMA5

Advances in Imaging
OSA Technical Digest (CD) (Optica Publishing Group, 2009),
paper OMA5
•https://doi.org/10.1364/OTA.2009.OMA5

Using holographic optical tweezers to measure forces with AFM-like probes

D M Carberry, L Ikin, J A Grieve, S Hanna, G M Gibson, M J Padgett, and M J Miles

Optical Trapping Applications 2009

Vancouver Canada
26–30 April 2009
ISBN: 978-1-55752-871-1

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D. M. Carberry, L. Ikin, J. A. Grieve, S. Hanna, G. M. Gibson, M. J. Padgett, and M. J. Miles, "Using holographic optical tweezers to measure forces with AFM-like probes," in Advances in Imaging, OSA Technical Digest (CD) (Optica Publishing Group, 2009), paper OMA5.

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Abstract

We demonstrate the optical assembly and control of SPM-like probes, using holographic optical tweezers. We show that these probes can exert a force in excess of 60pN with a force sensitivity of 50fN.

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