5.1 Classification 5.2 Catalogs

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Transcripción de la presentación:

5.1 Classification 5.2 Catalogs 5. FIBER CLASSIFICATION 5.1 Classification 5.2 Catalogs

5.1 CLASSIFICATION (I) Material Plastic: POF Glass: Silica POF = Plastic Optical Fiber Applications: LANs, short distance, low rate Core ≈ 1 mm Optical sources: LEDs, visible light High attenuation: 15-100 dB/km Very cheap Glass: Silica PESO - Menos de la décima parte que coaxial INCONVENIENTES - No es capaz de llevar la alimentación (como hace el coaxial)

5.1 CLASSIFICATION (II) Multimode Step Index Graded Index Cheap Huge dispersion B0 = 5-30 MHz·km LANs (short distances, low rates) Graded Index Modal dispersion is compensated B0 = 100-200 MHz·km Urban networks, TV distribution PESO - Menos de la décima parte que coaxial INCONVENIENTES - No es capaz de llevar la alimentación (como hace el coaxial)

5.1 CLASSIFICATION (III) SI Singlemode (I) General Features Huge dispersion compensation B > 10 GHz·km Interurban networks, underwater cables NDSF (SMF-28): Non Dispersion-Shifted Fiber Normal SI singlemode fiber Optimized for 1310 nm Requires compensation if Rb > 10 Gb/s Attenuation 0.21-0.25 dB/km DSF: Dispersion-Shifted Fiber Optimized for 1550 nm Prone to Four Wave Mixing with DWDM Attenuation 0.25-0.30 dB/km PESO - Menos de la décima parte que coaxial INCONVENIENTES - No es capaz de llevar la alimentación (como hace el coaxial)

5.1 CLASSIFICATION (IV) SI Singlemode (II) NZDSF: Extended Band Fiber Non-Zero Dispersion-Shifted Fiber Optimized for WDM at 1550 nm High tolerance against distortion (in exchange for increasing dispersion) Available with positive or negative dispersion (see figure) Requires dispersion compensation Extended Band Fiber OH ion attenuation is minimized Works fairly well in a wide spectrum PMD Special Fiber Propagates an only polarization Section: 2 stress rods favour one of the polarizations Requires special care splicing or connecting PESO - Menos de la décima parte que coaxial INCONVENIENTES - No es capaz de llevar la alimentación (como hace el coaxial)

5.2 CATALOGS (I) stress rods core cladding PESO - Menos de la décima parte que coaxial INCONVENIENTES - No es capaz de llevar la alimentación (como hace el coaxial) core cladding

5.2 CATALOGS (II) PESO - Menos de la décima parte que coaxial INCONVENIENTES - No es capaz de llevar la alimentación (como hace el coaxial)

5.2 CATALOGS (III) PESO - Menos de la décima parte que coaxial INCONVENIENTES - No es capaz de llevar la alimentación (como hace el coaxial)

5.2 CATALOGS (IV) PESO - Menos de la décima parte que coaxial INCONVENIENTES - No es capaz de llevar la alimentación (como hace el coaxial)

5.2 CATALOGS (V) PESO - Menos de la décima parte que coaxial INCONVENIENTES - No es capaz de llevar la alimentación (como hace el coaxial)

5.2 CATALOGS (VI) PESO - Menos de la décima parte que coaxial INCONVENIENTES - No es capaz de llevar la alimentación (como hace el coaxial)