Fluence

Definition: The fluence represents the (optical) energy delivered per unit area over a time interval from all directions about a given point within a turbid medium. The fluence is proportional to the number of photons in the unit volume regardless of their direction of motion.

Alternative definition:

Synonym:

References:

https://doi.org/10.1017/CBO9781139029797

https://doi.org/10.1002/cnm.1162

https://doi.org/10.1117/3.2624517

Related terms: Light intensity