Spun First Heat Sensitive Optical Fiber for Key Sensitive Devices Fiber Current Transformer/T-OF044

Spun optic fiber is mainly used in key sensitive devices such as optic fiber current transformer, which has the ability of maintaining circular polarization and resisting environmental.

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Spun first heat sensitive optic fiber is mainly used in key sensitive devices. Which has the ability of maintaining circular polarization and resisting environmental.

Product Characteristics:

*Good geometric and optical properties;
*With minimal phase difference, circular polarization transmission can be maintained over long distances;
*Insensitive to temperature and stress;

 

First heat sensitive fiber Specifications:

Properties Unit Product Indicator
Product type / T-OF044 T-OF045 T-OF046
           Optical properties
Structure type nm Elliptical core type Panda type Bow tie type
Working wavelength nm 1310 1310 1310
Cutoff wavelength nm 1100~1290 1100~1290 1100~1290
Mode field diameter μm 6.5±1.0 6.5±1.0 6.5±1.0
Attenuation dB/km ≤2.0 ≤2.0 ≤2.0
Helical distance mm 2.0~5.0 2.0~5.0 2.0~5.0
Beat length mm ≤10.0(before spinning) ≤10.0(before spinning) ≤10.0(before spinning)
Geometric properties
Cladding diameter μm 125.0±1.0 125.0±1.0 125.0±1.0
Coating type / Double-layer UV-curable acrylic resin Double-layer UV-curable acrylic resin Double-layer UV-curable acrylic resin
Coating diameter μm 245.0±5.0 245.0±5.0 245.0±5.0
Cladding out-of-roundness / ≤2.0% ≤2.0% ≤2.0%
Core-cladding concentricity μm ≤1.0 ≤1.0 ≤1.0
Optic fiber twist turns/m ≤1.0 ≤1.0 ≤1.0
Environmental and mechanical properties
Operating temperature ºC -55~+85 -55~+85 -55~+85
Screening tension kpsi 100 100 100

 

Customized Information:

The type of and the spiral distance of first heat sensitive fiber can be customized according to customer requirements.
Low birefringence fiber can be customized according to customer requirements.

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