These fibres are designed to operate efficiently at both 1310 and 1550 nm, and the higher NA enhances bend performance. Various coatings and buffer sizes are offered to meet environmental requirements and size constraints.
Unit of Measure

Optical Properties


N/A Single-mode

Operating Wavelength

N/A 1550 nm

Cutoff Wavelength

N/A ≤ 1290 nm

Mode Field Diameter

N/A @ 1310 nm, 5.1 ± 1.0 µm@ 1550 nm, 5.8 ± 1.0 µm


N/A @ 1310 nm, ≤ 1.2 dB/km@ 1550 nm, ≤ 0.9 dB/km

Numerical Aperture (Nominal)

N/A 0.21

Dimensions/Geometric Properties

Core Diameter (Nominal)

N/A 4.6 µm

Clad Diameter

N/A 125 ± 2 µm

Coating/Buffer Diameter

N/A 155 ± 5 µm

Clad Non-Circularity

N/A ≤ 2.0%

Core/Clad Offset

N/A ≤ 1.0 µm

Coating/Buffer Descriptions

Coating Material


Operating Temperature

N/A -65 to +300 ºC

Mechanical and Testing Data

Short-Term Bend Radius

N/A ≥ 10 mm

Long-Term Bend Radius

N/A ≥ 17 mm

Proof Test Level

N/A ≥ 100 kpsi0.689 GPa

Ordering Information

Product Description Code

N/A SMB-G1310H

Order From Location

1.888.438.9936 toll-free in the United States and Canada
1.860.678.0371 from outside the U.S.A.
55 Darling Drive
Avon, CT 06001, USA

Order By Item #

N/A BF06160-02


N/A OFS polyimide optical fibers are known to operate in environments up to 300 °C. Performance is application dependent. Contact our Technical Sales department to discuss your specific application requirements. 1-860-678-6636

Typical Applications

N/A High Temperature Environments High-Application-Stress and Tight-Coil Applications Oil and Gas Applications


N/A Buffer Color Buffer Diameter Buffer Material Cabling Metalization Proof Test Termination