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.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.

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Related terms: Light intensity  

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