Photon fluence
= Photon fluence
{title2=$\Phi$}
The number of <photons> incident per unit area in a specified geometry. It is distinct from a rate per unit time. For a monoenergetic beam, <photon energy fluence> is $\Psi=E_\gamma\Phi$.
= Photon fluence
{title2=$\Phi$}
The number of <photons> incident per unit area in a specified geometry. It is distinct from a rate per unit time. For a monoenergetic beam, <photon energy fluence> is $\Psi=E_\gamma\Phi$.