335 citations · 1.4k across the 7 of their papers we have counts for
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physics.optics2007★ 335 cited
Characterizing and tracking single colloidal particles with video holographic microscopy
Sang-Hyuk Lee, Yohai Roichman, Gi-Ra Yi +5
We use digital holographic microscopy and Mie scattering theory to simultaneously characterize and track individual colloidal particles. Each holographic snapshot provides enough i…
cond-mat.soft2007★ 281 cited
Optical forces arising from phase gradients
Yohai Roichman, Bo Sun, Yael Roichman +2
We demonstrate both theoretically and experimentally that gradients in the phase of a light field exert forces on illuminated objects, including forces transverse to the direction…