online optical calculator logo
photometry
light source with uniform intensity (isotropic)


radiance versus power for a spherical light source ( free )


Caution
Fill in all cells except one.
Choose all parameters unit.
All parameters are positive.

ParameterValueunit
L
r
P
radiance versus power for a spherical light source
L : radiance r : radius of the spherical light source P : optical power

Note
This calculation page can not detect all unrealistic inputs.



contact : contact@optical-calculation.com - website : www.optical-calculation.com Copyright 2009 CLAVIS S.A.R.L. All rights reserved