Pure silica core high NA multimode fiber

Acrylate coated
Hermetic coating
High NA
High temperature acrylate coated
Multimode
Polyimide coated
Pure silica core
PSC HNA MM

High NA pure core multimode fiber, used in e.g. high temperature, hydrogen rich or radiation environments.

This multimode fiber is available with polyimide, standard acrylate, high temperature acrylate, carbon coating, and silicone+PFA.

Data sheet
Features: 
High operating temperature
High radiation resistance
Step index profile
Steel tube, PFA and nylon jacketing
Applications: 
DTS systems
Avionics
Fiber sensors
Oil and gas

Parameter

Specification

» GEOMETRICAL PROPERTIES

Numerical Aperture

0.275 +/- 0.02

Cladding diameter

125um +/- 1.0 um

Core diameter

62.5 um step index, pure silica core

Core/cladding concentricity error

< 2 %

Cladding non-concentricity

< 2 %

Coating diameter

155 +/- 5 um (polyimide)
240um +/- 10 um (acrylate)

Coating/cladding concentricity error

<5 um (polyimide)
< 10um (acrylate)

» MECHANICAL PROPERTIES

Fiber proof test level

100 kpsi (200 kpsi optional)

Operating temperature

-50 to +300 degrees C (polyimide)

» OPTICAL PROPERTIES

Attenuation

< 3.0 dB/km at 1310 nm
< 4.0 dB/km at 850 nm