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Question about IR and window glass.

Razako

Razako

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Does anyone know how 808nm/1064nm IR reacts with ordinary window glass. Does it pass through/bounce off/other?
 





A

Amnizu

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As far as I know, near-IR passes through, but glass is opaque to far-IR light.
 
Razako

Razako

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So it should be safe shining a laser without an IR filter through a window assuming that I watch out for the green reflection.
 
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