EU: INV_STERADIAN_MICRON
Status:
STD 2005/06/07
Code:
93
Symbol:
1/(sr · μm)
EQ label:
SPECTRAL_RECIPROCAL_SOLID_ANGLE
Quantities associated with this Unit
Quantity:
spectral reciprocal solid angle
Concept definition:
The reciprocal of a solid angle of a cone is the ratio of the square of the radius of a sphere (with its centre at the apex of that cone) to the area cut out on a spherical surface, as a function of radiant wavelength.
1/(sr · μm) = 10
6
1/(sr · m)
(exactly).
Reference type:
PR
Reference:
[
ISO 80000-1:2009
, 6.5.3 (derived)]
Supplemental references:
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