Optical fiber are used in communication medicine and industry

Various Optical Amplifiers (EDFA, FRA, and SOA) | Anritsu China Single Mode Fiber Optic WDM - China fiber optic WDMFilament FIBERLOGY PP 1,75mm 0,75kg - natural | HOBBY-STOREChina Ethernet Adapter Network CATV RJ45 Coaxial - ChinaChina Indoor Telecommunication Twisted Pair Wire (BTWChina Coaxial Cable (A-RG213) - China Coaxial Cable, cable