injecting {HEAD ~ a plastic molding composition} into the mold and against the molding surface of the master element to injection mold a diffractive optical element, whereby {TAIL ~ the optical element} has the desired diffraction pattern on its surface and 
injecting { HEAD ~ a plastic molding composition } into the mold and against the molding surface of the master element to injection mold a diffractive optical element , whereby { TAIL ~ the optical element } has the desired diffraction pattern on its surface and
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH