If you do not want to damage the object to be cleaned, we recommend considering pulsed lasers.
Its energy distribution is uniform and stable, and almost no damage to the object being cleaned and only affects the surface layer.
Suitable for cleaning precision objects, mold cleaning, etc, also can clean a wide range of materials.
Its power is usually 100, 200, 300 and 500w, and the price is a little expensive.
Here are some videos:
Even when it cleans the words written by pencil on the paper, there is almost no harm to the paper.
If you do not mind little damage to the object being cleaned, and your budget is limited, you can consider continuous laser (CW laser), which has concentrated energy and supports higher power, such as 1Kw, 1.5Kw, 2Kw.
Its price is very affordable, suitable for cleaning large objects, rust cleaning, and efficiency is very fast. But the precision is not as good as pulsed laser.
The energy is not as uniform as pulse laser, and has a certain degree of volatility.
It can easily generate high energy on the surface of the material, will cause violent effects.
Therefore, when it cleans rust, paint and oil, etc., will also removes the original materials.
You can check this video of continuous laser cleaning rust again.
When it cleans the rust, but also strips off a layer of steel.
After your checking, may I know which type laser you want?
Or could you let me see some photos you want to clean? We can recommend for you.