Ch5Sec9 - 3 Summary and Discussion FIBERS Multimode...

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THE FIBER FORUM Fiber Optic Communications JOSEPH C. PALAIS PRESENTED BY
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Joseph C. Palais 5.9 2 Section 5.9 Summary and Discussion Characteristics of Commercial Fibers Description Core Diameter ( μ m) NA Loss (dB/km) ( τ /L) (ns/km) f 3-dB × L (MHz × km) Source Wavelength Multimode Glass SI 50 0.24 5 15 33 LED 850 GRIN 50 0.24 5 1 500 LD 850 GRIN 50 0.20 1 0.5 1000 LED,LD 1300 PCS SI 200 0.41 8 50 10 LED 800 Plastic SI 1000 0.48 200 ------ --------- LED 580 Single Mode Glass 5 0.10 4 <0.05 >1000 LD 850 Glass 10 0.10 0.5 0.006 83000 LD 1300 Glass 10 0.10 0.2 0.006 83000 LD 1550
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Joseph C. Palais 5.9
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Unformatted text preview: 3 Summary and Discussion FIBERS Multimode Step-Index and Graded-Index Multimode and Single-Mode Propagation Materials: Glass and Plastic Wavelength of Operation: Windows Pulse Distortion Cables Joseph C. Palais 5.9 4 Summary and Discussion On the next few slides are schematic descriptions of three contributions to pulse spreading: Joseph C. Palais 5.9 5 Material Dispersion Waveguide Dispersion Input 2 2 Summary and Discussion Input Joseph C. Palais 5.9 6 Modal Distortion 1 1 Summary and Discussion THE FIBER FORUM Fiber Optic Communications JOSEPH C. PALAIS PRESENTED BY...
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Ch5Sec9 - 3 Summary and Discussion FIBERS Multimode...

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