After termination, it functions to stiffen the fiber end and strain relieve the junction between {HEAD ~ the soft polymeric cladding} and {TAIL ~ the stiffer inner sleeve} 
After termination , it functions to stiffen the fiber end and strain relieve the junction between { HEAD ~ the soft polymeric cladding } and { TAIL ~ the stiffer inner sleeve }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL