{HEAD ~ Each laser pulse} has {TAIL ~ a pulse energy}, a laser wavelength within a range of laser wavelengths, and a pulse duration 
has
{ HEAD ~ Each laser pulse } has { TAIL ~ a pulse energy } , a laser wavelength within a range of laser wavelengths , and a pulse duration
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH