![Fig. 10.9 — Spurious force](https://i0.wp.com/opticaltweezers.org/wp-content/uploads/2015/11/Fig10_9.png?fit=660%2C441)
Distance dependence of the theoretically calculated spurious force γ D’ for various particles of radii a. Experimentally measured spurious forces are shown for a = 400 nm (circles), a = 655 nm (squares) and a = 1180 nm (triangles) (Brettschneider et al., 2011).
Fig. 10.9 — Spurious force