G.657.A2 Bend Insensitive Single Mode Optical Fiber
P/N: FIR-G657A2-BI-SM-OF|SKU: 11205
Total Price
$999.00 / unit
Production time varies based on product type, quantity, and customization level.
Below is a general estimate for most orders. For exact delivery time, please contact [email protected].
Shipping: FedEx / DHL / UPS Express · Tracking number provided after shipment
G.657.A2 Bend Insensitive Single Mode Optical Fiber
The Firsol G.657.A2 Bend-Insensitive Single-Mode Optical Fiber combines low macro-bending sensitivity with low water-peak performance. It is optimized for transmission across the O-E-S-C-L bands from 1260 nm to 1625 nm, making it suitable for broadband optical networks, FTTH systems, and compact fiber installations.
Compared with standard single-mode fiber, G.657.A2 fiber offers enhanced bend resistance for tighter routing environments. It supports L-band applications and helps reduce additional loss caused by small bending radii, making installation easier in splicing cassettes, fiber guidance ports, wall-mounted boxes, corner routing, and other space-limited indoor cabling applications.
Specifications
Characteristics | Conditions | Specified Values | Units | |
|---|---|---|---|---|
Optical Characteristics | ||||
Attenuation | 1310nm | ≤0.35 | [dB/km] | |
1383nm(after H2-aging) | ≤0.35 | [dB/km] | ||
1460nm | ≤0.25 | [dB/km] | ||
1490nm | ≤0.23 | [dB/km] | ||
1550nm | ≤0.21 | [dB/km] | ||
1625nm | ≤0.23 | [dB/km] | ||
Attenuation vs. Wavelength Max. α difference | 1285-1330nm, in reference to 1310nm | ≤0.03 | [dB/km] | |
1525-1575nm, in reference to 1550nm | ≤0.02 | [dB/km] | ||
Zero Dispersion Wavelength(λ0) | -- | 1300-1324 | [nm] | |
Zero Dispersion Slope(S0) | -- | ≤0.092 | [ps/(nm2·km)] | |
PMD | Maximum Individual Fibre | -- | ≤0.1 | [ps/√km] |
Link Design Value（M=20，Q=0.01%) | -- | ≤0.06 | [ps/√km] | |
Typical Value | -- | 0.04 | [ps/√km] | |
Cable Cutoff Wavelength (λCC) | -- | ≤1260 | [nm] | |
Mode Field Diameter（MFD） | 1310nm | 8.4-9.2 | [μm] | |
1550nm | 9.3-10.3 | [μm] | ||
Effective Group Index of Refraction（Neff ） | 1310nm | 1.466 | -- | |
1550nm | 1.467 | -- | ||
Point Discontinuities | 1310nm | ≤0.05 | [dB] | |
1550nm | ≤0.05 | [dB] | ||
Geometrical Characteristics | ||||
Cladding Diameter | -- | 125.0±0.7 | [μm] | |
Cladding Non-Circularity | -- | ≤0.7 | [%] | |
Coating Diameter | -- | 235-245 | [μm] | |
Coating-Cladding Concentricity Error | -- | ≤12.0 | [μm] | |
Coating Non-Circularity | -- | ≤6.0 | [%] | |
Core-Cladding Concentricity Error | -- | ≤0.5 | [μm] | |
Curl(radius) | -- | ≥4 | [m] | |
Delivery Length | -- | Up to 50.4 | [km/reel] | |
Environmental Characteristics | 1310nm, 1550nm & 1625nm | |||
Temperature Dependence Induced Attenuation | -60℃ to +85℃ | ≤0.05 | [dB/km] | |
Temperature-Humidity Cycling Induced Attenuation | -10°C to +85°C, 98% RH | ≤0.05 | [dB/km] | |
Watersoak Dependence Induced Attenuation | 23°C, for 30 days | ≤0.05 | [dB/km] | |
Damp Heat Dependence Induced Attenuation | 85°C and 85% RH, for 30 days | ≤0.05 | [dB/km] | |
Dry Heat Aging | 85℃, for 30 days | ≤0.05 | [dB/km] | |
Mechanical Specification | ||||
Proof Test | -- | ≥9.0 | [N] | |
-- | ≥1.0 | [%] | ||
-- | ≥100 | [kpsi] | ||
Macro-bend Induced Attenuation | 10 Turns Around a Mandrel of 15 mm Radius | 1550nm | ≤0.03 | [dB] |
10 Turns Around a Mandrel of 15 mm Radius | 1625nm | ≤0.1 | [dB] | |
1 Turn Around a Mandrel of 10 mm Radius | 1550nm | ≤0.1 | [dB] | |
1 Turn Around a Mandrel of 10 mm Radius | 1625nm | ≤0.2 | [dB] | |
1 Turn Around a Mandrel of 7.5 mm Radius | 1550nm | ≤0.5 | [dB] | |
1 Turn Around a Mandrel of 7.5 mm Radius | 1625nm | ≤1.0 | [dB] | |
Coating Strip Force | typical average force | 1.5 | [N] | |
peak force | 1.3-8.9 | [N] | ||
Dynamic Fatigue Parameter(nd) | -- | ≥20 | -- | |
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