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Tight Buffered fibre specifications


 

62.5/125 µm Tight Buffered OM1

 

Core Diameter  62.5 ± 3.0 µm
Cladding Diameter  125.0 ± 2.0 µm
Core-Clad Concentricity ≤3.0 µm
Core Non-Circularity ≤5.0%
Cladding Non-Circularity <2.0%
Coating Diameter 245 ± 10 µm
Coating-Cladding Concentricity <12 µm
Buffer Diameter 900 ± 50 µm
Proof Test 100 kpsi (0.70 GN/m2)
Point Discontinuity ≤0.20 dB @ 850 nm and 1300 nm
Zero Dispersion Wavelength (λo) 1332 nm ≤ λo ≤ 1354 nm
Zero Dispersion Slope (So) ≤0.097 ps/(nm2 · km)

 

Maximum Attenuation 3.5 dB/km @ 850 nm
  1.0 dB/km @ 1300 nm
At Water Peak ≤1.0 dB/km @ 1380 nm
Minimum Bandwidth 200 Mhz-km @ 850 nm
  500 Mhz-km @ 1300 nm
Numerical Aperture 0.275 ± 0.015

 


 

50/125 µm Tight Buffered OM2

 

Core Diameter  50.0 ± 3.0 µm
Cladding Diameter  125.0 ± 2.0 µm
Core-Clad Concentricity < 3.0 µm
Core Non-Circularity ≤5.0%
Cladding Non-Circularity <2.0%
Coating Diameter 245 ± 10 µm
Coating-Cladding Concentricity <12 µm
Buffer Diameter 900 ± 50 µm
Proof Test 100 kpsi (0.70 GN/m2)
Point Discontinuity ≤0.20 dB @ 850 nm and 1300 nm
Zero Dispersion Wavelength (λo) 1297 nm ≤ λo ≤ 1316 nm
Zero Dispersion Slope (So) ≤0.101 ps/(nm2 · km)

 

Maximum Attenuation 3.5 dB/km @ 850 nm
  1.5 dB/km @ 1300 nm
At Water Peak ≤3.0 dB/km @ 1380 nm
Minimum Bandwidth 500 Mhz-km @ 850 nm
  500 Mhz-km @ 1300 nm
Numerical Aperture 0.200 ± 0.015

 


 

50/125 µm Tight Buffered OM3

 

Core Diameter  50.0 ± 3.0 µm
Cladding Diameter  125.0 ± 2.0 µm
Core-Clad Concentricity < 3.0 µm
Core Non-Circularity ≤5.0%
Cladding Non-Circularity <2.0%
Coating Diameter 245 ± 10 µm
Coating-Cladding Concentricity <12 µm
Buffer Diameter 900 ± 50 µm
Proof Test 100 kpsi (0.70 GN/m2)
Point Discontinuity ≤0.20 dB @ 850 nm and 1300 nm
Cable Cutoff Wavelength (λccf)  
Zero Dispersion Wavelength (λo) 1301.5nm≤λo≤1321.5nm
Zero Dispersion Slope (So) ≤0.092 ps/(nm2 · km)
Refractive Index Difference 0.36%
Fibre Curl ³ 4.0 m radius of curvAture

 

Maximum Attenuation 3.5 dB/km @ 850 nm
  1.5 dB/km @ 1300 nm
At Water Peak ≤3.0 dB/km @ 1380 nm
Minimum Bandwidth 500 Mhz-km @ 850 nm
  N/A @ 1300 nm
Numerical Aperture 0.200 ± 0.015

 


 

Singlemode Tight Buffered OS1

 

Core Diameter  8.3µm
Mode Field Diameter 9.30 ± 0.50µm @ 1310 nm
  10.50 ± 1.00µm @ 1550 nm
Cladding Diameter  125.0 ± 2.0µm
Core-Clad Concentricity ≤0.5 µm
Core Non-Circularity ≤1.0%
Cladding Non-Circularity <2.0%
Coating Diameter 245 ± 5µm
Coating-Cladding Concentricity <12 µm
Buffer Diameter 900 ± 50µm
Proof Test 100kpsi (0.70GN/m2)
Point Discontinuity ≤0.10 dB @ 850 nm and 1300 nm
Zero Dispersion Wavelength (λo) 1300 nm ≤ λo ≤ 1320 nm
Zero Dispersion Slope (So) ≥0.101 ps/(nm2 · km)

 

Maximum Attenuation 0.5 dB/km @ 1310nm
  0.5 dB/km @ 1550nm
At Water Peak ≤2.1 dB/km @ 1380nm ± 3 nm
VS Wavelength ≤0.05 dB/km @ 1285 - 1330 nm
  ≤0.05 dB/km @ 1525 - 1575 nm
Numerical Aperture 0.13

 


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