Table 1. Sensitivity of STED Confinement Modes to Common Optical Aberrations.
| spherical | astigmatism | coma | tilt | |
|---|---|---|---|---|
| 2D | low | high | intermediate | intermediate |
| CH | low | low | high | low |
| z | intermediate | intermediate | low | intermediate |
| spherical | astigmatism | coma | tilt | |
|---|---|---|---|---|
| 2D | low | high | intermediate | intermediate |
| CH | low | low | high | low |
| z | intermediate | intermediate | low | intermediate |