The light beam shaping module comprises a first cylindrical lens and {HEAD ~ a second cylindrical lens} for respectively converging the light beams in {TAIL ~ two directions} 
The light beam shaping module comprises a first cylindrical lens and { HEAD ~ a second cylindrical lens } for respectively converging the light beams in { TAIL ~ two directions }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL