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Optical fiber light paths
OPTICAL FIBER / MULTIMODE

Multimode optical fiber.

Multimode optical fiber on reels: compare OM1, OM3 and OM4 core geometry, attenuation and bandwidth. Review the complete link requirements.

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3 fiber models

OM1 optical fiber reel with model label, illustrative image
Multimode

OM1

Fiber on reels

Multimode fiber for established networks

Core diameter
62.5 ± 2.5 μm
Attenuation · 850 nm
≤ 2.7 dB/km
OFL bandwidth · 850 nm
≥ 200 MHz·km
LAN & network extensions
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OM3 optical fiber reel with model label, illustrative image
Multimode

OM3

Fiber on reels

Laser-optimized multimode fiber

Core diameter
50.0 ± 2.5 μm
Attenuation · 850 nm
≤ 2.4 dB/km
Effective bandwidth · 850 nm
≥ 2000 MHz·km
Data centers & LAN
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OM4 optical fiber reel with model label, illustrative image
Multimode

OM4

Fiber on reels

OM4 multimode fiber for data center links

Core diameter
50.0 ± 2.5 μm
Attenuation · 850 nm
≤ 2.4 dB/km
Effective bandwidth · 850 nm
≥ 4700 MHz·km
High-bandwidth data centers
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Supplier reference values. Images are illustrative. Confirm the offered grade, coating and batch documentation with your quotation.