Erina Posted August 8, 2021 Share Posted August 8, 2021 Glass reflects all visible light depending on how it catches it. But, can glass be laser cut to a specific angle, or treated, to reflect a specific wavelength of light e.g. red ? Similar to annealing stainless steel (heating it to create an oxide layer) which gives steel "colour". Link to comment Share on other sites More sharing options...
John Cuthber Posted August 8, 2021 Share Posted August 8, 2021 https://en.wikipedia.org/wiki/Dichroic_filter Link to comment Share on other sites More sharing options...
swansont Posted August 8, 2021 Share Posted August 8, 2021 4 hours ago, Erina said: Glass reflects all visible light depending on how it catches it No, it reflects a small fraction and transmits most of it. https://en.wikipedia.org/wiki/Fresnel_equations#/media/File:Fresnel_power_air-to-glass.svg 1 Link to comment Share on other sites More sharing options...
MigL Posted August 9, 2021 Share Posted August 9, 2021 Paint ? Link to comment Share on other sites More sharing options...
Enthalpy Posted August 28, 2021 Share Posted August 28, 2021 Also gratings, and so on. Link to comment Share on other sites More sharing options...
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