Optogenetics Irradiance Calculator

Calculate power needed for opsin activation.

Type of brain matter: Grey matter eg. cortex Mixed eg. thalamus White matter eg. brainstem
Fibre core diameter (um):
Power (mW):

Irradiance (mW/mm^2)

Depth (mm)	NA = 0.22	NA = 0.39	NA = 0.50	NA = 0.66
0.0
0.1
0.2
0.3
0.4
0.5
0.75
1.0
1.5
2.0
3.0

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