When using copper laser mirrors it is integral that you maintain their quality after consistent use. It is not uncommon for these mirrors to become dull and lose the original reflectivity, and this can cause laser beam directional issues. SPAWR Industries offers a cleaning solution for their mirrors; first you must flush the surface of the mirror with water and spray the surface with the solution while it is still damp. You then rinse the mirror with distilled water and dry with nitrogen gas. You can repeat the process if the surface of the mirror is heavily corroded. Spawr stands by their products, and offers essential tools to maintain the quality.
For more information on Copper Laser Mirrors from Spawr Industries visit https://spawrcopperlaseroptics.com