Erina Posted August 8, 2021 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".
John Cuthber Posted August 8, 2021 Posted August 8, 2021 https://en.wikipedia.org/wiki/Dichroic_filter
swansont Posted August 8, 2021 Posted August 8, 2021 On 8/8/2021 at 2:47 PM, Erina said: Glass reflects all visible light depending on how it catches it Expand 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
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