| time integral of the blue light hazard radiance, LB, as integrated with respect to the exposure duration Note 1 to entry: This definition is based on the assumption that an action spectrum is adopted for the actinic effect considered, and that its maximum value is 1. Note 2 to entry: It is essential to specify which actinic action spectrum is used, as the unit is the same for any action spectrum. Note 3 to entry: See also "radiance dose". Note 4 to entry: The blue light hazard radiance dose is expressed in joule per square metre per steradian (J·m−2·sr−1).
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