Figure 11.9 — Holographically optically trapped particles

Fig. 11.9 — Holographically optically trapped particles
Figure 11.9 — Holographically optically trapped particles. An array of holographic optical traps is used (a) to trap 17 particles, (b) to move them laterally in the focal plane and (c), (d) to move them vertically in the direction perpendicular to the focal plane.