This optical fiber with a NA of 0.16 operates efficiently at 820 nm. 

Unit of Measure

Optical Properties


N/A Single-Mode

Operating Wavelength

N/A 820 nm

Cutoff Wavelength

N/A 770 ± 40 nm

Mode Field Diameter

N/A @ 820 nm, 4.1 ± 1.0 µm


N/A @ 820 nm, ≤ 5 dB/km

Numerical Aperture (Nominal)

N/A 0.16

Dimensions/Geometric Properties

Core Diameter (Nominal)

N/A 3.7 µm

Clad Diameter

N/A 80 ± 2 µm

Coating/Buffer Diameter

N/A 135 ± 5 µm

Clad Non-Circularity

N/A ≤ 2.0%

Core/Clad Offset

N/A ≤ 1.0 µm

Coating/Buffer Descriptions

Coating Material

N/A Single UV Acrylate

Operating Temperature

N/A -40 to +85 ºC

Mechanical and Testing Data

Short-Term Bend Radius

N/A ≥ 7 mm

Long-Term Bend Radius

N/A ≥ 11 mm

Proof Test Level

N/A ≥ 200 kpsi1.38 GPa

How To Order:

Product Description Code

N/A SMM-D0820A

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 CF04246-03

Typical Applications

N/A Gyroscopes Integrated Photonic Devices and Components Laser Diode Pigtails Small Packaging Sensors


N/A Buffer Color Buffer Material Buffer Size Cutoff Wavelength Metalization Proof Test Termination