High Temperature Fibre (HTF)-YOFC | Smart Link Better Life

High Temperature Fibre (HTF)

Data transmission, high power laser delivery and sensors require special reliability at demanding environment conditions. A special challenge is the 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 for medium and high temperature environment requirements with the temperature up to 300 ℃.

Applications

Mining industry
Aerospace
Oil/gas industry
Medical

Characteristics

Excellent high temperature stability
Excellent optical and geometrical properties
Customized profile and sizes

Typical Products

1. Special Polymer Coated High Temperature Fibre

Operation temperature: long term, -65 ℃ to +150 ℃ ;intermittent, up to 200 ℃
Cladding diameter range from 200μm to 660μm, customized NA and coating diameter

Coating diameter (125μm cladding fibres): 245 ± 10μm
Coating diameter (200 - 660μm cladding fibres): NA: Customized

2. Optimized Polyimide Coated High Temperature Fibre
Operation temperature: in long term, -65 ℃ to +300 ℃ ; intermittent, up to 350 ℃

Coating diameter (125μm cladding fibres): 155 ± 5μm
Coating diameter ( ≤ 220μm cladding fibres): NA: Customized

Specifications

Specifications-1

Fibre Type	HT 9/125-14/250(150)	HT 9/125-14/155(300)
Part No.	HT1210-A	HT1510-B
Optical Properties
Mode Field Diameter@1310nm (μm)	9.2 ± 0.4	9.2 ± 0.4
Mode Field Diameter@1550nm (μm)	10.4 ± 0.8	10.4 ± 0.8
Fibre Cut-oﬀ Wavelength (nm)	≤ 1300	≤ 1300
Attenuation@1310nm (dB/km)	≤ 0.4	≤ 1.0
Attenuation@1550nm (dB/km)	≤ 0.25	≤ 0.8
Geometrical Properties
Cladding Diameter (μm)	125.0 ± 1.0	125.0 ± 2.0
Coating Diameter (μm)	245.0 ± 10.0	155.0 ± 5.0
Cladding Non-circularity (%)	≤ 1.0	≤ 1.0
Core/Cladding Concentricity Error (μm)	≤ 0.8	≤ 0.8
Coating/ Cladding Concentricity (μm)	≤ 12.0	--
Mechanical Properties
Proof Test (kpsi)	100	75
Operating Temperature (℃)	-65 to +150 Short Term +200	-65 to +300 Short Term +350
Coating Type	Special Polymer	Polyimide

Specifications-2

Fibre Type	HTG 50/125- 20/250(150)	HTG 62.5/125- 27/250(150)	HT 50/125- 20/155(300)	HT 62.5/125- 27/155(300)
Part No.	HT2312-B	HT2215-A	HT2512-B	HT2515-B
Optical Properties
Attenuation@850 nm (dB/km)*	≤ 3.0	≤ 3.0	≤ 4.0	≤ 4.0
Attenuation@1300 nm (dB/km)*	≤ 1.0	≤ 1.0	≤ 2.0	≤ 2.0
Bandwidth@850 (MHz·km)	≥ 150	≥ 150	≥ 150	≥ 150
Bandwidth@1300nm (MHz·km)	≥ 300	≥ 300	≥ 300	≥ 300
NA	0.200 ± 0.015	0.275 ± 0.015	0.200 ± 0.015	0.275 ± 0.015
Geometrical Properties
Core Diameter (μm)	50.0 ± 2.5	62.5 ± 2.5	50.0 ± 3.0	62.5 ± 3.0
Cladding Diameter (μm)	125.0 ± 1.0	125.0 ± 1.0	125.0 ± 2.0	125.0 ± 2.0
Coating Diameter (μm)	245.0 ± 10.0	245.0 ± 10.0	155.0 ± 5.0	155.0 ± 5.0
Cladding Non-circularity (%)	≤ 1	≤ 1	≤ 1	≤ 1
Core/Cladding Concentricity (μm)	≤ 1.5	≤ 1.5	≤ 1.5	≤ 1.5
Cladding/Coating Concentricity (μm)	≤ 12.0	≤ 12.0	--	--
Mechanical Properties
Proof Test (kpsi)	100	100	75	75
Operating Temperature (℃)	-65 to +150 Short term +200		-65 to +300 Short term +350
Coating Type	Special Polymer		Polyimide

For attenuation measurement, the fibre is wound with near zero tension onto a greater than 36cm diameter measurement spool.
Customized products are available upon customer request, such as different geometrical parameters, bandwidth, NA, higher proof test level, etc.

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High Temperature Fibre (HTF)

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