Physics Asked by N R on June 11, 2021
Does infrared radiation transmit (not absorb & re-radiate) through cardboard in the IR-B or IR-C bands?
I know IR-A does not transmit well but am curious about the longer wavelengths and can’t seem to find good data on it.
I don’t have data, only personal experience. IR-B will be well-blocked by cardboard. The longer wavelengths of IR-C will transmit, especially for wavelengths outside the water absorption bands. But, it will generally be pretty lossy, and you wouldn’t want your cardboard too thick.
Answered by Gilbert on June 11, 2021
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