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Training_Type of fiber_GB Page 1 Type of fiber September 2013
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Training_Type of fiber_GB Page 2 Optical fibers PMMA Polimetilmetalcrilate HCSF (PCF) Hard Clad Silica Fiber GOF Glass Optical Fiber
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Training_Type of fiber_GB Page 3 Multimode Fiber (MM) Several modes large core diameter limited bandwidth and transmission distance Primary protection Cladding Core 250µm 125µm 50 od. 62.5 µm OM1 – OM4 9 µm OS1, OS2 Singlemode Fiber (SM) ‚one‘ mode small core diameter high bandwidth and long transmission distance Type of glas fiber 250µm 125µm Primary protection Cladding Core
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Training_Type of fiber_GB Page 4 Glas fiber standards - Overview MultimodeSinglemode IEC/ISO 11801 OM1OM2OM3OM4OS1OS2 IEC 60793-2 -10 (A1b) -10 (A1a) -10 (A1a.2) -10 (A1a.3) -50 (B1.1) -50 (B1.2) ITU-T G.651 G.652G652.D TIA 492 AAAAAAABAAACAAADCAAACAAB
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Training_Type of fiber_GB Page 5 Glas fiber Standards - content among other things it defines Dimension e.g. Core Ø, Cladding Ø, primary coating, concentricity Mechanical e.g. stress, tensile strength, stripping force, curl behavior Transmission e.g. attenuation, bandwidth, dispersion, Macro bending, apertur Environment e.g. damp/dry heat, temperature change cycle
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Training_Type of fiber_GB Page 6 Multimode fiber (Gradienten Index) Core Ø launch 49260793-2-1011801 62,5 OFL 492AAAAA1bOM1 (OM2) 160/500MHzdiverse200/500MHz 50 OFL 492AAABA1a.1OM2 (OM1) 500/500MHzdiverse500/500MHz 50 492AAACA1a.2OM3 OFL 2000MHz1500/500MHz EBL --2000/500MHz 50 492AAADA1a.3OM4 OFL 3500/500MHz EBL 4700
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Training_Type of fiber_GB Page 7 Multimode fiber IEC 60793-2-10 (A1) Fiber type Min. modal bandwidth @ 850nm OFL (MHzxkm) Min. modal bandwidth @ 1300nm OFL (MHzxkm) Application examples A1a.1200400 Low bit rate / short distance / patch cords A1a.1400600 Medium bit rate / medium distance A1a.1500 Medium bit rate / medium distance A1a.1400800 Medium bit rate / medium distance A1a.1800 High bit rate / long distance A1a.16001200 High bit rate / long distance A1a.2 1500 OFL 2000 EMB 500 Very high bit rate (10Gb/s) / long distance 850nm optimised A1a.3 3500 OFL 4700 EMB 500 Very high bit rate (40/100Gb/s) / long distance 850nm optimised A1b100200 Low bit rate / short distance / patch cords A1b160300 Low bit rate / short distance A1b160 or 200500 Medium bit rate / medium distance A1b200600 Medium bit rate / medium distance A1b200800 High bit rate / long distance A1b800200 High bit rate / long distance / 850nm optimised OM2 OM3 OM4 OM1
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Training_Type of fiber_GB Page 8 Multimode fiber in a cable (ISO/IEC11801) Max. attenuation (db/km) Min. modal bandwidth (MHzxkm) in comparison to OFLEMB 850nm1300nm850nm1300nm850nm IEC 60793- 2-10 TIA 492 OM1 3,51,5200500--- A1a od. A1b AAAA OM2 3,51,5500 --- A1a od. A1b AAAB OM3 3,51,515005002000 A1a.2AAAC OM4 3,51,535005004700 A1a.3AAAD
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Training_Type of fiber_GB Page 9 Singlemode fiber in a cable (ISO/IEC11801) Max. attenuation (db/km) in comparison to 1310nm1383nm1550nm IEC 60793-2-50 ITU TIA 492 OS1 1.0 B1.1G.652CAAA OS2 0.4 B1.2G.652.DCAAB
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Training_Type of fiber_GB Page 10 ITU IEC 60793-2-50 (B) G.652.AB1.1 Orginal Standard Singlemode Faser G.652.BB1.2 improved PMD und low loss transmission at 1310nm and 1550nm G.652.CB1.3 low water peak, DWDM – CWDM possible dispersion - unshifted G.652.DB1.3 zero water peak with lower PMD. the ‘ideal’ fiber among the standardized Single mode fiber G.653B2 reduced Dispersion at 1550nm. longer transmission distances thanks to lower attenuation -Dispersion - shifted G.654 cut-off - shifted G.655B4 non-zero dispersion shifted G.657.AB6a based on 652.D, 10x improved bending loss and engerend dimension G.657.BB6b limited distance, lower bending loss (100x smaller than 652-D). different splice behavior Single mode fiber - ITU and IEC OS1 OS2 Ftth
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Training_Type of fiber_GB Page 11 Plastic optical fiber (POF)
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Training_Type of fiber_GB Page 12 POF type - Index profile PMMA Step Index core = Constant refractive index PMMA Graded Index Core = several layer of material with different refractive indexes Perfluorinated Polymer Graded Index Core = parabolic index n1n2n1n2
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Training_Type of fiber_GB Page 13 Overview - POF Index Profil Fiber typeCore ØNAAttenuationBandwidth SI-POF (PMMA) SI-POF low NA 980µm 0.5 0.3 180dB/km ~ 50 MHz. 100m ~ 100 MHz. 100m DSI-POF980µm0.3180dB/km~ 100 MHz. 100m GI-POF (PMMA) 980µm 500µm 0.2200dB/km~1.5 GHz. 100m GI-POF (PF) 62.5/245 120/450 200/490 0.350dB/km~ 3 GHz. 100m
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Training_Type of fiber_GB Page 14 Step Index POF Core Ø980 μm Cladding Ø 1000 μm Attenuation180 dB/km Bandwidth10 MHz*100m (100 MHz * 100m) Wavelength650nm N.A.0.5 (Low N.A. 0.3) Adertight buffer Advantageeasy, fast and inexpensive connection technology commercially available (Mitsubishi, Toray, Fuji, Optimedia) Disadvantagehigh attenuation, low bandwidth
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Training_Type of fiber_GB Page 15 Attenuation spectra of PMMA fiber „Light“ Wavelength nm Attenuation dB/km red650180 amber57066 green52073
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Training_Type of fiber_GB Page 16 Multistep Index POF (GI-POF) Core Ø900 μm Cladding Ø 1000 μm Attenuation180 dB/km Bandwidth100 MHz. km Wavelength650nm Cabletight buffer Advantageeasy, fast and inexpensive connection technology commercially available (Mitsubishi, Fuji, Optimedia) Disadvantagehigh attenuation
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Training_Type of fiber_GB Page 17 Graded Index POF Core Ø120 μm Cladding Ø 500 μm Attenuation50 dB/km Bandwidth1000 MHz*km Wavelength1330nm Cableloose buffer (extra strength members) Advantagelow attenuation, high bandwidth Disadvantagetermination, expensive, similar to GOF commercially not available (Asahi, Nexans, Chromis)
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Training_Type of fiber_GB Page 18 Attenuation spectra perfluorinated POF „Light“ Wavelength nm Attenuation dB/km infrared85020 130050
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Training_Type of fiber_GB Page 19 Plastic optical fiber (POF) IEC 60793-2-40 Specification for category A4 Multimode fiber A4aA4bA4cA4dA4eA4fA4gA4h Kern Ø (µm) ****50020012062.5 Cladd Ø (µm) 10007505001000750490 245 NA 0.50 0.300.250.19 Mantel yes no Operating wavelength (nm) 650 650, 850, 1300 850, 1300 * Typically 15 to 35 µm smaller than the cladding diameter
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Training_Type of fiber_GB Page 20 Polymer cladded fiber (PCF)
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Training_Type of fiber_GB Page 21 Polymer cladded fiber (PCS) IEC 60793-2-30 Specification for category A3 Multimode fiber A3aA3bA3cA3d Kern Ø (µm) 200 Cladding Ø (µm) 300380230 NA 0.40 0.35 Mantel Ø (µm) 900600500 Bandbreite (MHz*km) 50 100 operative Wellenlänge (nm) 850
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