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 Type HT 9/125-14/250 HT 9/125-14/155 OHT 9/125-14/155
Part No. HT1210-A HT1510-A HT1510-B
Optical Properties
Mode Field Diameter@1310nm (um) 9.2 ± 0.4 9.2 ± 0.4 9.2 ± 0.4
Mode Field Diameter@1550nm (um) 10.4 ±0.8 10.4 ±0.8 10.4 ±0.8
Fibre Cut-off Wavelength (nm) 1180 ~ 1330 1180 ~ 1330 1180 ~ 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± 1.0 125.0±2.0 125.0±2.0
Coating Diameter (um) 245.0 ± 10.0 155.0±5.0 155.0 ± 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) 100 100 100
Operating Temperature Range (°C) -65 to +150,Short term +200 -65 to +200,Short term +250 -65 to +300,Short term +350
Coating Material Special Polymer Polymer Polymer

High Temperature Fibre (HTF)

Part No. HTG 50/125-20/250 HTG 62.5/125-27/250 HTG 50/125-20/155 HTG 62.5/125-27/155 OHTG 50/125-20/155 OHTG 62.5/125-27/155
Optical Properties HT2312-B HT2215-A HT2512-A HT2515-A HT2512-B HT2515-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 Aperture 0.200±0.015 0.275±0.015 0.200±0.015 0.275±0.015 0.200±0.015 0.275±0.015
Geometrical Properties
Core Diameter (um) 50 ±2.5 62.5 ±2.5 50 ±3 62.5 ±3 50 ±3 62.5±3
Ciadding Diameter (um) 125 ±2 125 ±2 125 ±2 125 ±2 125 ±2 125 ±2
Coating Diameter (um) 245 ± 10 245 ± 10 155 ±5 155±5 155 ±5 155 ±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) 100 100 100 100 100 100
Operating Temperature Range (°C) -65 to +150Short term+ 200 -65 to +200Short term +250 -65 to+300Short term +350
Coating Material Special Polymer Polyimide Polyimide

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

Fibre Type RIP Type Core (um) Cladding (um ) Coating (um )
50/125/155-12 Step index 50.0±2.0 125.0±3.0 155.0±5.0
60/125/155-14 Step index 60.0±2.0 125.0±3.0 155.0±5.0
100/140/170-22 Step index 100.0±3.0 140.0±3.0 170.0±5.0
100/120/150-22 Step index 100.0±3.0 120.0±3.0 150.0±5.0
200/240/275-22 Step index 200.0 ±4.0 240.0±4.0 275.0±5.0
200/220/240-22 Step index 200.0 ±4.0 220.0±4.0 240.0±5.0
300/330/370-22 Step index 300.0 ±6.0 330.0 ±7.0 370.0± 10.0
400/440/480-22 Step index 400.0 ±8.0 440.0 ±9.0 480.0± 10.0
600/660/710-22 Step index 600.0± 10.0 660.0± 10.0 710.0± 10.0
800/840/890-22 Step index 800.0 + 15.0 840.0 + 15.0 890.0 + 10.0
50/80/100-18 Grade index 50.0±2.0 80.0±2.0 100.0±3.0
110/125/155-20 Grade index 100.0±3.0 125.0±3.0 155.0±5.0
230/250/280-20 Grade index 230.0 ±3.0 250.0±4.0 280.0±5.0
300/330/370-25 Grade index 300.0 ±5.0 330.0 ±6.0 370.0± 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.