Additionally {HEAD ~ negative phase difference} can be provided to convert {TAIL ~ linear polarized light} into left handed circling polarized light or elliptic polarized light 
provided to convert
Additionally { HEAD ~ negative phase difference } can be provided to convert { TAIL ~ linear polarized light } into left handed circling polarized light or elliptic polarized light
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH