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