Being different with the regular plasma electrode Pockels cell, the electro-optical switch is driven only through the positive and negative switching pulse voltage as the one-pulse-process (OPP) without iselated intense current plasma cells. So the reliability and the stability of optical switch are improved and its cost reduced. The Pockels cell with 80 mm×80 mm aperture is designed compact and the artificial line forming technique is used in the driving source. Experimental result indictes that it has wide rang of operating pressure and negligible jitter in breakdown. The performance of the Pockels cell is excellent with static transmission of 92.9%, the static extinction of 3900, the switch efficiency of 99.7%, which are measured with pulsed laser and photodiode.