Photon Flux : Wavelength

 

 

F(λ) is the spectral irradiance in Wm-2µm-1;
Φ is the photon flux in # photons m-2sec-1;
E and λ are the energy and wavelength of the photon in eV and µm respectively; and
q is a constant of 1.6 · 10-19

 

 

Calculators Used