Quote:
Originally Posted by alocky
Hi Mark.
Do you know if the reflectivity of the silver coating has been measured as a function of wavelength? It would be very interesting to compare quantitatively with aluminum.
What's the biggest mirror he can coat?
Cheers,
Andrew.
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I believe that silver is better at the low end (reds, and infra-red, but that aluminum is better for ultraviolet. I think that fresh silver is a better reflector in the overall visible region, but protective coatings have always been and issue. This will be an interesting test.