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Gautam V. Soni, Magnus P. Jonsson and Cees Dekker Periodic Modulations of Optical Tweezers Near Solid-State Membranes Small 9

Version of Record online: 6 NOV 2012 | DOI: 10.1002/smll.201201875

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Optical tweezers operated near solid-state membranes show unexplained periodic modulations in the optical trap position. An experimental study of the oscillations is presented, as well as optical simulations based on the finite-difference time-domain method, providing insight into the underlying interference phenomenon. This work provides a complete description as well as a solution to the enduring problem of modulations in optical traps near solid-state membranes.

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