| 释义 |
electrostatic octupole lens electrostatic octupole lens[i′lek·trə‚stad·ik ¦äk·tə‚pōl ′lenz] (electronics) A device for controlling beams of electrons or other charged particles, consisting of eight electrodes arranged in a circular pattern with alternating polarities; commonly used to correct aberrations of quadrupole lens systems. |