2 ms·
I don't know much about far infrared, but the 6-7mm penetration in this paper seems deeper than the ~4mm penetration I recall reading about for UCNP-NIR.
by whymauri 6y ago
I don't know much about far infrared, but the 6-7mm penetration in this paper seems deeper than the ~4mm penetration I recall reading about for UCNP-NIR.
- Balgair 6y agoTo add: Water has an absorption band that is clear to most visible light and the near IR, but it starts to absorb as you go deeper into IR. Many tissues and their light absorption curves can be seen here: https://en.wikipedia.org/wiki/Near-infrared_window_in_biological_tissue https://en.wikipedia.org/wiki/Near-infrared_window_in_biolog...