Pockels cells or EO Q-Switches are used to change the polarization state of light passing through it when a voltage is applied to the electrodes of electro-optic crystals such as BBO.
Amaseli we-BBO Pockels noma i-EO Q-Switches asetshenziselwa ukuguqula isimo se-polarization sokukhanya esidlula kuso lapho kusetshenziswa i-voltage kuma-electrode amakristalu we-electro-optic njenge-BBO.