Linear Absorption Coefficient

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2-1-215

Linear Absorption Coefficient (of an absorbing medium)

The quotient of the internal absorptance of a path element traversed by the radiation, by the length (dl) of this element.

Symbol: a

Unit: m-1

Reference: C.I.E. (modified)




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

metre

Contrast

Celsius (previously Centigrade)

Capacitance

charge current

Intensity

Illuminance

Energy

International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM