A laser scanner was a technological device, utilizing laser technology, that, connected to a modified plasma inverter, could produce a plasma shock.

In 2368, Geordi La Forge combined the two devices and, through a small hole created by means of a micro-optic drill, was able to send enough plasma through the hole to temporarily plasma shock Deanna Troi and Miles O'Brien, who had been taken over by Ux-Mal criminals. (TNG: "Power Play")

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