optical fiber is a thin cylindrical fiber that is made of plastic or http://bvf.ru/ox/www/delivery/ck.php?ct=1&oaparams=2__bannerid=688__zoneid=6__cb=06c1d0c502__oadest=http://www.algerianhome.com/mountada/t43037 – via Cse Google Co, glass, as tiny as one tenth of human hair. A standard telecom optical fiber is composed of three layers that are counted from the inside out the fiber core (diameter 8~10um) and the cladding (diameter 130um) along with buffer coating (diameter 9000um). Fiber core and cladding…