EOS QS continues the research for systems with two possible pulse durations, that are therefore more flexible and usable in many different cleaning applications.

This system combines a Short Free Running regime (pulses from 30 to 110 µs) with a Q-Switch pulse (duration 15ns), and an energy output up to 140 mJ. It is compact and lightweight, and the beam delivery through a 1200 µm optical fiber allows freedom of movement and ease of use. Thanks to this versatily EOS QS allows the cleaning of stones, metals, wood, gilt objects, frescoes and painted surfaces.


System with two temporal regimes: Q-switch and Short Free Running

Beam delivery through fiber optic

Compact and versatile laser


Wavelength1064 nm
Pulse durationSFR mode: 30-100 μs, QS mode: 15ns
Max energy per pulseSFR mode: 1J; QS mode: 140 mJ
Repetition rateSelectable: single pulse, 1 ÷ 10Hz, 15Hz, 20Hz
Spot1.5 - 6 mm
Beam delivery1200 μm optic fiber, 3m long
HandpieceVariable focus
Beam profileHomogeneous
Aiming beamLaser diode 3 mW (635 nm)
Power supply230V – 50/60 Hz – 8.5A
Dimensions23x65x68 cm
Weight40 Kg
Laser shutterControlled by footswitch
Cooling circuitWater/air