Uploaded May 2020 | Updated September 2026, 3 weeks ago
Something that is transparent in the visible spectrum, like glass, is completely opaque in the IR. Similarly, something like elemental silicon (Si) is opaque in the visible but transparent in the IR.
Something that is transparent in the visible spectrum, like glass, is completely opaque in the IR. Similarly, something like elemental silicon (Si) is opaque in the visible but transparent in the IR.
