In addition, with this configuration, it is not possible to compensate for {TAIL ~ any optical path length difference} caused by {HEAD ~ other components} such as LC beam polarizing structure 202 
In addition , with this configuration , it is not possible to compensate for { TAIL ~ any optical path length difference } caused by { HEAD ~ other components } such as LC beam polarizing structure 202
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH