Flux density

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Densité de flux (Fr). Flussdichte (Ge). Densità di flusso (It). 流速密度 (Ja). Densidad de flujo (Sp).

Flux density is defined as the flux passing through a unit area. The unit is photons per second (p.p.s.) × mm2. Flux density is an appropriate parameter for measuring local counting rates and is synonymous to the term "intensity" as used in colloquial speech.