- #1
marcis
- 3
- 0
Hello
I have an optic problem
I want to calculate absorbtion index
I know transmittance by 90% ;refraction index to material 1.586 ; thickness 2 mm ; power of source 21 lm
I have an optic problem
I want to calculate absorbtion index
I know transmittance by 90% ;refraction index to material 1.586 ; thickness 2 mm ; power of source 21 lm