GR-62.5/125-27HTA

62.5 µm Multimode Radiation Resistant Fiber with High Temperature Acrylate

Nufern's specialty multi-mode fibers are ideal for a variety of diverse applications. They are capable of withstanding extreme environments and large temperature swings. Features include step index and graded index configurations, numerical apertures from 0.06 to 0.45 and core sizes from 10 μm to 700 μm. All fibers are available with a high temperature acrylate, silicone, or polyimide coating.

Optical Specifications

Operating Wavelength

800 – 1350 nm

Core NA

0.275 ± 0.015

Bandwidth

≥ 160 MHz-km @ 850 nm
≥ 500 MHz-km @ 1300 nm

Core Attenuation

≤ 0.90 dB/km @ 1300 nm
≤ 3.50 dB/km @ 850 nm

Geometrical & Mechanical Specifications

Cladding Diameter

125.0 ± 2.0 µm

Core Diameter

62.5 ± 3.0 µm

Coating Diameter

245.0 ± 15.0 µm

Core/Clad Offset

≤ 3.00 μm

Core Index Profile

Graded Index

Coating Material

High Temperature Acrylate

Operating Temperature Range

-55 to 125 °C

Prooftest Level

≥ 100 kpsi (0.7 GN/m²)

Comments

Bend Radius: Long-Term ≥ 25 mm
Bend Radius: Short-Term ≥ 12 mm
Coating Requirements: Dual Layer, High Temperature Acrylate
Radiation Requirements: Radiation Resistant
Refractive Index Profile: Graded Index

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Features & Benefits

Operate over wide frequency range — One fiber serves broad applications
Exceptional uniformity and core/clad concentricity — Minimize fiber induced signal artifacts
Higher proof test levels — Longest life expectancy
Tight diameter control — Lowest cost deployment

Typical Applications

Airframe, spacecraft, missile and UAV optical interconnects
Large bandwidth tactical cables
Robust duty in extreme military and classified environments

Nufern’s optical fiber products, including rare-earth doped, gyro, polarization-maintaining, radiation resistant, photosensitive, multimode and single mode, and any other optical fiber product including custom optical fibers, may be covered by one or more of the following pending or issued U.S. Patents, each of which is owned by or licensed by Nufern:

6,779,364; 6,832,026; 6,904,214; 6,950,586; 7,003,206; 7,050,686; 7,062,137; 7,110,647; 7,116,887; 7,167,621; 7,317,857; 7,371,019; 7,386,210; 7,400,812; 7,483,610; 7,634,164; 7,724,422; 5,949,941 (licensed from Furukawa Electric Co. of North America).

Moreover, use of Nufern’s optical fiber products, including modifications thereof, combinations with other products, or certain specific uses can necessitate additional customer licensing, particularly with respect to U.S. Patent nos. 5,818,630 (IMRA America, Inc.) and 6,496,301 (The United States of America as represented by the Secretary of the Navy). See the terms and conditions specific to your purchase.

Learn More

Call us at: 860-408-5000

Toll-free: 866-466-0214

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Optical Fibers