Optionally, the light beam shaping module further comprises at least one first aspheric collimating lens with a large numerical aperture, which lens is disposed on {HEAD ~ the light path} running from the light source to {TAIL ~ the cylindrical lens} 
running to
Optionally , the light beam shaping module further comprises at least one first aspheric collimating lens with a large numerical aperture , which lens is disposed on { HEAD ~ the light path } running from the light source to { TAIL ~ the cylindrical lens }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL