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Part no - 07421-01

AllWave® FLEX Max Bend-Insensitive Mid-Temp Optical Fiber

AllWave FLEX Max Fiber minimizes bending loss, especially in applications where fiber bend radius may be unmanaged. In challenging conditions, this fiber protects the network against excessive loss from inadvertent bends and from cable flexing, pulling and crushing. AllWave FLEX Max Fiber’s bend performance also enables complex routing within even the most compact cabinet and enclosure designs.

The excellent macrobend performance of AllWave FLEX Max Fiber protects the fiber in high power applications such as those in central offices. This capability allows providers to reliably achieve significantly smaller bend diameters with up to 100 times lower loss than conventional single-mode fiber.

Features And Benefits

Bend-insensitive design down to 5mm bend radius
Compatible with standard telecommunications fibers
Tight geometric control for lowest insertion losses
Mid temperature coating compatible with solder reflow processing

Applications

Photonics Integrated Circuits
Co-Packaged Optics

Product Description

As optics and electronics are moving towards co-packaged solutions, there is a need for optical fibers compatible with solder reflow processing. At peak temperatures exceeding 250 °C, conventional acrylate coatings will rapidly degrade. The Lightera mid-temp coated fiber offers a solution to solder reflow exposure, while preserving excellent mechanical and optical performance as well as reliability after reflow-soldering.

Product Specifications

Product Specifications
Physical Characteristics
Coating Material	Mid-Temp Dual Coat
Cladding Diameter	125 ± 1 µm
Clad Non-Circularity	≤ 1.0%
Core/Clad Concentricity Error	≤ 0.5 µm
Secondary Coating Diameter	245 ± 10 µm
Overall Coat Concentricity Error	≤ 10 µm
Optical Characteristics
Maximum Attenuation at 1550 nm	≤ 0.3 dB/km
Maximum Attenuation at 1625 nm	≤ 0.3 dB/km
Cut-off Wavelength (λcc)	≤1260 nm
Group Refractive Index at 1550 nm	1.468
Mode Field Diameter at 1550 nm	9.2 – 10.4 µm

Macrobending Attenuation
	Wavelength	Induced Attenuation
1 turn on a 5 mm radius mandrel	1550 nm 1625 nm	≤ 0.10 dB ≤ 0.25 dB
10 turns on a 10 mm radius mandrel	1550 nm 1625 nm	≤ 0.2 dB ≤ 0.6 dB
10 turns on a 15 mm radius mandrel	1550 nm 1625 nm	≤ 0.05 dB ≤ 0.1 dB
Mechanical and Environmental
Operating Temperature	-45 to +130 °C
Tensile Proof Test	200 kpsi (1.38 GPa)
Coating Strip Force	Range: 1 N ≤ CSF ≤ 3 N
Dynamic Fatigue Parameter	n_d ≥ 20
Postexposure Optical Characteristics
		6 Reflow Cycles	6 Reflow Cycles + Damp Heat at 85 °C and 85% RH for 2000 Hours
Maximum Attenuation at 1550 nm		≤ 0.3 dB/km	≤ 0.3 dB/km
Maximum Attenuation at 1625 nm		≤ 0.3 d/km	≤ 0.3 dB/km
Macrobending Attenuation:
	Wavelength	Induced Attenuation	Induced Attenuation
1 turns on a 5 mm radius mandrel	1550 nm 1625 nm	≤ 0.10 dB ≤ 0.25 dB	≤ 0.10 dB ≤ 0.25 dB
10 turns on a 10 mm radius mandrel	1550 nm 1625 nm	≤ 0.25 dB ≤ 0.7 dB	≤ 0.3 dB ≤ 0.75 dB
10 turns on a 15 mm radius mandrel	1550 nm 1625 nm	≤ 0.05 dB ≤ 0.1 dB	≤ 0.05 dB ≤ 0.15 dB
Macrobending Attenuation:
Postexposure Mechanical Characteristics

Coating Diameter Change		≤ 5%	≤ 5%
Postexposure Mechanical
Dynamic Tensile Strength (Medium)		> 700 kpsi (4.83 GPa)
Dynamic Fatigue Parameter		n_d ≥ 20
Part Number	F88035

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Contact Information

For additional information please contact your sales representative. You can also visit our website at www.lightera.com or call 1-888-FIBERHELP (1-888-342-3743) USA or 1-770-798-5555 outside the USA. For a full list of our certifications, visit our website.

Trademark Notice and Disclaimer

Lightera reserves the right to make changes to the product(s) described in this document at any time without notice. This document is for informational purposes only and is not intended to modify or supplement any Lightera warranties or specifications relating to any of its products or services.