High Temperature Fibre (HTF)

General Details

Data transmission, high power laser delivery and sensors require special reliability at demanding environment conditions. A special challenge is a changing temperature, extreme heat or extreme cold conditions for a fibre when used as fire detector, temperature sensor or for data transmission in certain special industrial applications. YOFC offers HTF’s for medium and high temperature environments with the temperature up to 300 °C.

1. Special Polymer Coated High Temperature Fibre
Operation temperature: long term, -65°C to +150°C; intermittent, up to 200°C
Cladding diameter range from 200µm to 660µm, customized NA and coating diameter
1.1 Coating diameter (125µm cladding fibres): 245±10µm
1.2 Coating diameter (200~660µm cladding fibres): NA: Customized

2. Polyimide Coated High Temperature Fibre
Operation temperature: in long term, -65°C to +200°C; intermittent, up to 250°C
Cladding diameter range from 200µm to 660µm, customized NA and coating diameter
1.1 Coating diameter (125µm cladding fibres): 155±5µm
1.2 Coating diameter (200~660µm cladding fibres): NA: Customized

3. Optimized Polyimide Coated High Temperature Fibre
Operation temperature: in long term, -65°C to +300°C; intermittent, up to 350°C
Cladding diameter range from 200µm to 660µm, customized NA and coating diameter
1.1 Coating diameter (125µm cladding fibres): 155±5µm
1.2 Coating diameter (200~660µm cladding fibres): NA: Customized

Features
  • Excellent high temperature stability
  • Excellent optical and geometrical properties
  • Customized profile and sizes
Specifications
Fibre TypeHT 9/125-14/250HT 9/125-14/155OHT 9/125-14/155
Part No.HT1210-AHT1510-AHT1510-B
Optical Properties
Mode Field Diameter@1310nm (um)9.2 ± 0.49.2 ± 0.49.2 ± 0.4
Mode Field Diameter@1550nm (um)10.4 ±0.810.4 ±0.810.4 ±0.8
Fibre Cut-off Wavelength (nm)1180 ~ 13301180 ~ 13301180 ~ 1330
Attenuation@1310nm (dB/km)≤0.4≤0.8≤1.0
Attenuation@1550nm (dB/km)≤0.25≤0.6≤0.8
Geometrical Properties
Cladding Diameter (um)125.0± 1.0125.0±2.0125.0±2.0
Coating Diameter (um)245.0 ± 10.0155.0±5.0155.0 ± 5.0
Cladding Non-Circularity (%)≤1.0≤1.0≤1.0
Core Concentricity Error (um)≤0.8≤0.8≤0.8
Coating/Cladding Concentricity Error (um)≤12
Environmental and Mechanical Properties
Proof Test Level (kpsi)100100100
Operating Temperature Range (°C)-65 to +150,Short term +200-65 to +200,Short term +250-65 to +300,Short term +350
Coating MaterialSpecial PolymerPolymerPolymer

High Temperature Fibre (HTF)

Part No.HTG 50/125-20/250HTG 62.5/125-27/250HTG 50/125-20/155HTG 62.5/125-27/155OHTG 50/125-20/155OHTG 62.5/125-27/155
Optical PropertiesHT2312-BHT2215-AHT2512-AHT2515-AHT2512-BHT2515-B
*Attenuation@850 nm (dB/l≤3.0≤3.0≤3.0≤3.5≤4.0≤4.0
*Attenuation@1300 nm (dB/km)≤1.0≤1.0≤1.0≤1.2≤2.0≤2.0
Bandwidth@850 (IVIHz-l≥150≥150≥150≥150≥150≥150
Bandwidth@1300 nm (i\/IHz-l≥300≥300≥300≥300≥300≥300
Numerical Aperture0.200±0.0150.275±0.0150.200±0.0150.275±0.0150.200±0.0150.275±0.015
Geometrical Properties
Core Diameter (um)50 ±2.562.5 ±2.550 ±362.5 ±350 ±362.5±3
Ciadding Diameter (um)125 ±2125 ±2125 ±2125 ±2125 ±2125 ±2
Coating Diameter (um)245 ± 10245 ± 10155 ±5155±5155 ±5155 ±5
Claddinq non-Circuiaritv (%)≤1≤1≤2≤2≤2≤2
Core/Cladding Offset (pm)≥1.5≥1.5≥1.5≥1.5≥1.5≥1.5
Coating/Cladding Offset (pm)S12≥12
Environmental and Mechanical Properties
Proof Test Level (kpsi)100100100100100100
Operating Temperature Range (°C) -65 to +150Short term+ 200-65 to +200Short term +250-65 to+300Short term +350
Coating MaterialSpecial PolymerPolyimidePolyimide

Customized products are available upon customer request, such as different geometrical parameters, bandwidth, NA, higher
proof test level, etc.

Fibre TypeRIP TypeCore (um)Cladding (um )Coating (um )
50/125/155-12Step index50.0±2.0125.0±3.0155.0±5.0
60/125/155-14Step index60.0±2.0125.0±3.0155.0±5.0
100/140/170-22Step index100.0±3.0140.0±3.0170.0±5.0
100/120/150-22Step index100.0±3.0120.0±3.0150.0±5.0
200/240/275-22Step index200.0 ±4.0240.0±4.0275.0±5.0
200/220/240-22Step index200.0 ±4.0220.0±4.0240.0±5.0
300/330/370-22Step index300.0 ±6.0330.0 ±7.0370.0± 10.0
400/440/480-22Step index400.0 ±8.0440.0 ±9.0480.0± 10.0
600/660/710-22Step index600.0± 10.0660.0± 10.0710.0± 10.0
800/840/890-22Step index800.0 + 15.0840.0 + 15.0890.0 + 10.0
50/80/100-18Grade index50.0±2.080.0±2.0100.0±3.0
110/125/155-20Grade index100.0±3.0125.0±3.0155.0±5.0
230/250/280-20Grade index230.0 ±3.0250.0±4.0280.0±5.0
300/330/370-25Grade index300.0 ±5.0330.0 ±6.0370.0± 10.0
Applications

HTF’s are demanded in environments such as mining industry, aerospace, military, oil & gas industry and medical that requires a maximum protection of the fibre at very high temperatures.

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