A mains electricity (AC-powered) device assembly in which input energy (e.g., flashlamp, diode laser) is used to excite a glass/crystal rod to emit a high-power laser beam intended to incise, excise, ablate, and vaporize soft tissues for dermatological applications such as skin resurfacing and lesion/hair/tattoo removal; it may also be used for coagulation/haemostasis procedures. It typically includes a light source, delivery/positioning device(s), and controls/foot-switch; it does not include frequency-doubling technology.