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physics.optics2016★ 32 cited
Subfemtonewton Force Spectroscopy at the Thermal Limit in Liquids
Lulu Liu, Simon Kheifets, Vincent Ginis +1
We demonstrate thermally limited force spectroscopy using a probe formed by a dielectric microsphere optically trapped in water near a dielectric surface. We achieve force resoluti…
physics.optics2014★ 36 cited
Absolute Position Total Internal Reflection Microscopy with an Optical Tweezer
Lulu Liu, Alexander Woolf, Alejandro W. Rodriguez +1
A non-invasive, in-situ calibration method for Total Internal Reflection Microscopy (TIRM) based on optical tweezing is presented which greatly expands the capabilities of this tec…