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Cleaning

Q-switched lasers can easily remove tiny particles that deposit on to surfaces and substrates and contaminate the same.
Lasers clean a wide variety of surfaces, including silicon. Through lasers it is possible to clean layers without removing any original material from the surface of the object.
The following advantages rise over traditional cleaning techniques:
Non-contact
There is no mechanical contact with the surface. This allows extremely fragile surfaces to be worked on.
Localized targeted action
A laser beam can be precisely directed and manipulated using a visible aiming beam and the process conditions can be optimised for specific materials removal.
Availability of big spots
Due to the high average power of Q-switched lasers, the beam can be expanded, keeping enough fluence to perform the process, allowing big surfaces to be quickly treated.
Low substrate impact
The substrate is unaffected by the laser exposure, while conventional cleaning can easily lead to irreversible damage.
Sometimes laser cleaning is the only damage-free solution.
Environmental friendly
The only waste generated are the dirt particles generated from the surface. There is no need to use hazardous chemicals or solvents.
Versatility and reliability
The beam can be easily directed towards specific targets. The target under cleaning can either be moved or the beam can be moved and deflected by mean of special optical paths
The great peak to peak stability of Q-switched lasers provides reliable, safe and constant cleaning effects.