Electromagnetic Spectrum nm 0 5 m 15 00

Electromagnetic Spectrum nm 0 5 m 15 00 n nm 13 850 nm 0 66 nfrar Violet 4000 nm s wave Low frequencies Far i c Ra es av w ro ic dio ed metri Milli M Radio and television Ultra violet Ra dio Ac tiv ity High frequencies

광섬유 내에서의 전파 Cladding core 2 Acceptance angle : Critical angle :

Spec. of fiber 1 Fiber Type Manufacturer Model Refractive Profile Core Cladding Diameter (µm) All-silicon step-index Quqrtz QSF 133/200 products Corp. ASW 133 200 Silica core, plastic-clad step-index Dupont 200 600 50 125 368 400 Pifax S-120 Type 30 Valtec/Phillips All-silicon MG 05 draded-index Corp. Pifax PIR 140 All-plastic Dupont Type B step-index All-silicon Corning single-mode Glass Inc. step-index Silicon, single-mode, Corning W profile Glass Inc. dispersionshifted SMF-28 SMF-D 5 8. 3 16 125

Spec. of fiber 2 Fiber Type N. A. All-silicon step-index Silica core, plastic-clad step-index All-silicon draded-index All-plastic step-index All-silicon single-mode step-index Silicon, single-mode, W profile dispersionshifted 0. 2 1. 46 1. 409 0. 38 0. 2 1. 48 1. 471 1. 419 =0. 36% 0. 42 0. 12 @1300 nm 1. 476 max = 0. 9% min = 0. 3% — 5 20 30 0. 85 5 400 270 @790 nm 1. 8 @850 nm 2. 06 @850 nm 0. 22 @1550 0. 58 >2000 @1300 nm >4000 @1550 nm (565 Mb/s -80 km)