Monte Carlo simulation of time-resolved photon fluence rate

* in response to an impulse of energy at time zero delivered as an

* isotropic point source. Photon propagation is 3D in spherical

* coordinates. The instantaneous relative fluence rate,

* F(r,t)/Uo [cm^-2 s^-1] where F(r,t) = [J cm^-2 s^-1] and Uo = [J].

* For the calculation, the value of Uo is assumed to be unity [1 J].

* Propagation is in an infinite homogeneous medium

* with no boundaries. This program is a minimal Monte Carlo

* program.-Monte Carlo simulation of time-resolved photon fluence rate

*　　in response to an impulse of energy at time zero delivered as an

*　　isotropic point source.　Photon propagation is 3D in spherical

*　　coordinates. The instantaneous relative fluence rate,

*　　F(r,t)/Uo [cm^-2 s^-1]　where F(r,t) = [J cm^-2 s^-1] and Uo = [J].

*　　For the calculation, the value of Uo is assumed to be unity [1 J].

*　　Propagation is in an infinite homogeneous medium

*　　with no boundaries. This program is a minimal Monte Carlo

*　　program.