Shanghai Gengyun Industrial Co., Ltd
OM1(62.5/125μ m) Multimode fiber and fiber, also known as gradient fiber, gradient refractive index fiber, is the fiber with gradient refractive index or gradient distribution of the fiber core area in the cross section (such as parabolic shape). The purpose of adopting the gradient refractive index fiber is to reduce the pattern dispersion of the multimode fiber.This fiber has small dispersion and bandwidth is 1~2 orders of magnitude larger than that of mutant fiber, which is suitable for medium distance fiber communication system.
Product Characteristics
* Using a proprietary double-layer UV-cured acrylate coating.
* Excellent microbending resistance.
* om1 multimode fiber used for tight sleeve optical cable performance is superior.
* Stable performance under multiple environmental conditions.
*Superior geometric consistency,Low attenuation
*At 850nm and 1300nm wavelengths with high bandwidth.
*Manufactured using the PCVD process.
*An extremely accurate refractive index profile.
Application of OM1 Multimode Fiber
*Local area network application.
*Video, audio, and data services.
*Gigabit Ethernet suitable for laser or LED light sources.
Technology Parameters
| Features | Conditions | Data | Unit |
| Geometrical Features | |||
| Core Diameter | — | 50±2.5 | [μm] |
| Core out-of-roundness | — | ≤5.0 | [%] |
| Cladding diameter | — | 125.0±1.0 | [μm] |
| Non-circularity of cladding | — | ≤1.0 | [%] |
| Coating diameter | — | 245±7 | [μm] |
| Coating / cladding concentricity | — | ≤10.0 | [μm] |
| Non-circularity of coating | — | ≤6.0 | [%] |
| Core layer / cladding concentricity | — | ≤1.5 | [μm] |
| Fiber length | — | Maximum17.6 | [km/disk] |
Optical characteristics |
|||
| Damping | 850nm | ≤2.7 | [dB/km] |
| 1300nm | ≤0.6 | [dB/km] | |
| Full injection bandwidth | 850nm | ≥200 | [MHz·km] |
| 1300nm | ≥500 | [MHz·km] | |
| Full injection bandwidth | — | 0.275±0.015 | — |
| Group index | 850nm | 1.496 | — |
| 1300nm | 1.491 | — | |
| Zero dispersion wavelength | — | 1320~1365 | [nm] |
| Zero dispersion slope | 1320nm≤ λ0 ≤1348nm | ≤0.11 | [ps/(nm2·km)] |
| 1348nm≤ λ0 ≤1365nm | ≤0.001(1458-λ0 ) | [ps/(nm2·km)] | |
| Macro bend loss | — | — | — |
| 100 laps, with radius 37.5mm | 850nm | ≤0.50 | [dB] |
| 1300nm | ≤0.50 | [dB] | |
Backscattering characteristics of 1300 nm |
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| Steps (average of bidirectional measurements) | — | ≤0.10 | [dB] |
| Irregularities and point discontinuity in the length direction | — | ≤0.10 | [dB] |
| Inhomogeneity of attenuation | — | ≤0.10 | [dB/km] |
Environmental characteristics of 850 nm and 1300 nm |
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| Additional attenuation of the temperature cycle | -60ºC~ 85ºC | ≤0.10 | [dB/km] |
| Additional attenuation of the temperature-humidity cycle | -10ºC ~85ºC,4%~98% relative humidity | ≤0.10 | [dB/km] |
| Immersion additional attenuation | 23ºC, 30 days | ≤0.10 | [dB/km] |
| Dry heat additional attenuation | 85ºC,30days | ≤0.10 | [dB/km] |
| Heat and heat attach attenuation | 85ºC and 85% relative humidity,30days | ≤0.10 | [dB/km] |
mechanical properties |
|||
| Screening tension | — | ≥9.0 | [N] |
| — | ≥1.0 | [%] | |
| — | ≥100 | [kpsi] | |
| Coating stripping force | Typical average stripping force | 1.5 | [N] |
| Peak force | ≥1.3,≤8.9 | [N] | |
| Dynamic fatigue parameter (nd, typical value) | — | 20 | — |