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What are HR and AR coatings made of?

Joined
Jul 12, 2013
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351
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Wikipedia had a pretty good explanation. I was wondering about the exact makeup and how to change what wavelengths it works on
 





They're usually chemical depositions of specific thicknesses. You'd have a hard time changing them without access to the chemicals, a lab, and the necessary expertise. You can read more about them on here and other optics sites.
 


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