All-Band Fused Fiber Coupler (AWFC, 1260-1650nm)
All-Band Fused Single-Mode Fiber Coupler (AWFC) covering the entire O, E, S, C, L, and U optical communication bands (1260nm to 1650nm). Built with flattened spectral response to support CWDM and broadband multi-wavelength optical networks without requiring band-specific splitters.
Technical Specifications
Parameter
Specification
Unit
Operating Wavelength Range
1260 to 1650 (All Bands: O, E, S, C, L, U)
nm
Port Configuration
1x2 / 2x2
-
Coupling Ratio Options
01/99, 05/95, 10/90, 20/80, 50/50
%
Max. Insertion Loss (50/50)
3.8 (A Grade), 4.2 (P Grade)
dB
Max. Excess Loss
0.20 (A Grade), 0.30 (P Grade)
dB
Max. Polarization Dependent Loss
0.15
dB
Min. Directivity
55
dB
Min. Return Loss
55
dB
Max. Optical Power (CW)
1000
mW
Fiber Type
Corning SMF-28e+ (Low Water Peak Fiber)
-
Operating Temperature
-40 to +85
°C
Package Dimensions
dia. 3.0 x 40 mm / dia. 3.0 x 54 mm / dia. 3.0 x 60 mm
mm
Technical Datasheet Note
Low water peak fiber eliminates attenuation peak at 1383nm (E-band). Connectors add 0.3 dB insertion loss.
Low water peak fiber eliminates attenuation peak at 1383nm (E-band). Connectors add 0.3 dB insertion loss.
Configuration and ordering notes
This coupler family covers broadband wavelength splitting. The listed operating range, splitting ratio and fiber configuration define the selected model.
Selection Guidance: Review extinction ratio formulas, axis alignment, and splicing tolerances in our PM Fiber Components & Extinction Ratio Guide ↗ or Fiber Polarizer Selection Guide ↗.
Key Applications
CWDM access networks; Broadband PON networks; Full-spectrum test and measurement equipment; Distributed fiber sensing.
Package Drawing
Need an exact configuration?
A quotation review can begin with the application, quantity and available component information. Wavelength, optical power, fiber and termination details can be clarified with engineering.