Quote:
Originally Posted by Stefan Buda
I evaporate aluminium followed by half wave thickness of silicon monoxide for protection. The silicon monoxide turns to silicon dioxide (quartz) after exposure to atmospheric oxygen. Reflectivity is 90% and does not deteriorate as in the case of unprotected aluminium.
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Stefan,
I have a tiny flat front surface mirror on a bath interferometer I made that needs recoating.
Would you be able to recoat it next time you are doing a bigger mirror?