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Excimer lasers

Excimer lasers are powerful and versatile sources of light pulses in the UV range of the electromagnetic spectrum.


.:Our line of business and partners 

SEMENTO LLC  manufactures excimer lasers.

SEMENTO LLC is specialised in

  • Design and development of excimer lasers for scientific research and light industrial applications

  • Designing miscellaneous devices by customers individual orders

  • Fine mechanics and electronic works by subcontracts


Amongst our customers are: 


 MPB Communications Inc., Montreal


Instituto Química-Física "Rocasolano" CSIC, Madrid


ABSee-Laser, Kempten – Germany


Sparklike OY, Helsinki


University of Helsinki


University of Turku


University of Oulu


Emred OY, Helsinki


Institute of Chemical Process Fundamentals of the ASCR, Prague


SeongKyeong Photonics, South Korea


Radiant Dyes Laser Accessories GmbH, Wermelskirchen - Germany


Institute of Physics, University of Tartu