The laser 10 includes a beam delivery assembly with a cylindrical housing 12 terminated in {HEAD ~ a conical end} having {TAIL ~ a circular opening} 13 
having
The laser 10 includes a beam delivery assembly with a cylindrical housing 12 terminated in { HEAD ~ a conical end } having { TAIL ~ a circular opening } 13
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH