Usage:

     --help                  Prints this help

 The following options are commanddline and file options;
  -In an option file (e.g. defaults.opt) write: "option : value")
  -Any line starting with "#" is a commentline
  -Do not add comments to the end of a line with an option

     --nPics                 Set Number of output-mesh.dat-files
                              for further examination and plotting
     --nsteps                Set Number of steps till Source Evaluation
     --nruns                 Set total Number of Source Evaluations
 -l  --lam   lambda[m]       Set wavelength in [m]
 -I  --Intensity  [Int]      Set Intensity in [W/cm2]
     --lifetime [tau]        Lifetime tau of the Laser [sec]
                               ->  E(t) ~ exp[-(t/tau)2]
                              option fwhm overrides lifetime
 -d  --FWHM [duration]       Duration of the laser pulse as FWHM in
[sec]
                               fwhm = 2*sqrt(ln(2)) * lifetime
     --waist0 [W0]           Waist at focus in [m]
     --zfocus [zf]           Position of the focal spot relative
                              to the beginning of the interaction
                              region (e.g. capillary)  in [m]
     --Nr  [nr]              Number of radial (spatial) grid points
     --rmax [m]              Radius of the spatial grid
     --dz [m]                Propagation stepsize  ( dz = c*dt )
     --ZAtom Z               Set atom species via the atomic number
     --Ip  [Ip]              Set wavelength in [eV]
 -p  --Pressure  [p]         Set Pressure in [mbar]
 -T  --Temperature  [T]      Set Temperature in [Kelvin]
     --AtomDensity  [n0]     Set atom density in [1/m3]=1e-6[1/cm3]
 -Q  --Qmax                  Max.sampled frequency in units [w0]
 -L  --Lmin                  Min.size of the time window in units
                              of the laser's lifetime [tau]
 -N  --Ntw                   Number of Points in time
     --Noc                   Number of opt. cycles , over which the
                              dipole moment is integrated (double)
 -t  --threshold             Min. peak intensity (threshold)
     --Intmin                 to start the calculation of a
                              single atom spectrum   [W/cm2]
     --optfile optfile       Alternative option file
 -o  --outfile outputname    Mainname of output files
                              (suffixes added automatically)
     --timestamp             Adds a timestamp to the output


 Options only valid in option file: (write "option : value")

 title : Name                Sets the title of the Simulation