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