62.5-125-175 µm High-Temperature Aluminum-Coated Graded-Index Multimode Fiber

62.5-125-175 µm High-Temperature Aluminum-Coated Graded-Index Multimode Fiber

The MP-Al62.5/125-MMF is a graded-index multimode fiber with a 62.5 μm core diameter and an aluminum metal coating. It is suitable for UV/VIS optical systems and features a large core size, excellent environmental resistance, and high mechanical strength. It is widely used in industrial laser systems, vacuum systems, and light transmission in harsh environments.

Product features：High‑purity aluminum metal coating；Graded‑index multimode fiber；High‑purity germanium‑doped silica core；Operating wavelength coverage from 800 to 1600 nm；Excellent corrosion resistance；Suitable for harsh industrial environments

Part Number：MP-Al62.5/125-MMF

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Main parameters
General Parameters
Optional Configurations
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Main parameters

Core parameters

Core/Cladding Diameter Operating Wavelength Operating Temperature

62.5/125 μm 800–1600 nm −269°C ～ +400°C

Dimension Drawing

General Parameters

Optical Performance

Parameter	Specification
Fiber Type	Graded-index multimode fiber
Core Material	Germanium-doped silica
Cladding Material	Pure silica
Coating Material	Aluminum
Core Diameter	62.5 ±2 μm
Cladding Diameter	125 ±2 μm
Coating Diameter	175 ±10 μm
Operating Wavelength	800–1600 nm
Numerical Aperture (NA)	0.27 ±0.02
Attenuation @ 850 nm	≤24 dB/km
Attenuation @ 1300 nm	≤20 dB/km
Refractive Index @ 850 nm	1.491
Refractive Index @ 1300 nm	1.486
Bandwidth @ 850 nm	≥500 MHz·km
Bandwidth @ 1300 nm	≥500 MHz·km

Mechanical Performance

Proof Test	≥100 kpsi
Median Tensile Strength	≥5.3 GPa
Corrosion Parameter	≥100
Young's Modulus	71.7 GPa
Operating Temperature	−269°C ～ +400°C
Short‑term Minimum Bend Radius	≥200 × fiber radius
Long‑term Minimum Bend Radius	≥400 × fiber radius

Optional Configurations

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Product title: 62.5-125-175 µm High-Temperature Aluminum-Coated Graded-Index Multimode Fiber

Product link: https://www.idealphotonics.com/product/detail/1742.html

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