Eann A Patterson and Maurice P Whelan 2008 Nanotechnology 19 105502 doi:10.1088/0957-4484/19/10/105502
Tracking nanoparticles in an optical microscope using caustics
FREE ARTICLEEann A Patterson1 and Maurice P Whelan2
Show affiliationsAn elegant method is proposed and demonstrated for tracking the location and movement of nanoparticles in an optical microscope using the optical phenomenon of caustics. A simple and reversible adjustment to the microscope generates caustics several orders of magnitude larger than the particles. The method offers a simple and relatively inexpensive method for visualizing such phenomena as the formation of self-assembled monolayers and the interaction of nanoparticles with chemically functionalized surfaces.
- PACS
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81.07.-b Nanoscale materials and structures: fabrication and characterization
- Subjects
- Dates
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Issue 10 (12 March 2008)
Received 24 September 2007, in final form 17 December 2007
Published 13 February 2008
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Tracking nanoparticles in an optical microscope using caustics
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