The invention solves the above problems by utilizing a different method of confining the light which allows for {HEAD ~ small bending radii} and {TAIL ~ low losses} 
The invention solves the above problems by utilizing a different method of confining the light which allows for { HEAD ~ small bending radii } and { TAIL ~ low losses }
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 OTH TAIL TAIL TAIL TAIL TAIL TAIL