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Multi-mode FBT Coupler Blockless Type
MM

Multi-mode FBT Coupler Blockless Type

-Low insertion loss, Low PDL and High reliability

-High return loss and Good repeatability

-Wide wavelength range

-Excellent channel-to-channel uniformity

  • Specifications
  • Ordering Information


TypeMultimode Standard Fiber Couplers
Coupling Ratio (%)50/50
GradePS
Excess Loss (Typical) (dB)0.5(0.8)*0.7(1.0)*
Max.Insertion Loss (dB)3.5 (4.0)*3.7 (4.2)*
Uniformity (Max.) (dB)0.60.8
Directivity (Min.) (dB)35
Operating Wavelength (nm)600-1600
Central Wavelength (nm)850 or 1310 or 1550
Operating Temperature (°C)-40 - +85
Fiber TypeCorning multimode 50/125, 62.5/125, 100/140 fiber
Fiber Pigtail Length (m)1m or custom length
Port Configuration1x2 or 2x2
Dimensions (mm)Package M, A, B, C


TypeMultimode1X3,1X4 TrueFusion Couplers
Port Configuration1x31x4
GradePP
Max. Insertion Loss (dB)6.0 (6.5)*7.2 (7.6)*
Uniformity (Max.) (dB)1.21.2
Directivity (Min.) (dB)35
Operating Wavelength (nm)600-1600
Central Wavelength (nm)850 or 1310
Operating Temperature (°C)-40 - +85
Fiber TypeCorning multimode 50/125, 62.5/125, 100/140 fiber
Fiber Pigtail Length (m)1m or custom length
Dimensions (mm)Package A, B, C


TypeMultimode Tree/ Star Couplers
Configuration Typen x 4 (n= 1, 2, 4)n x 8 (n = 1, 2, 8)n x 16 (n = 1, 2, 16)
Max. Insertion Loss (dB)7.0/7.6*10.5/11.0*14.0/15.0*
Uniformity (Max.) (dB)1.52.02.5
Directivity (Min.) (dB)40dB
Operating Wavelength (nm)600-1600
Central Wavelength (nm)850 or 1310
Operating Temperature (°C)-40 - +85
Fiber TypeCorning multimode 50/125, 62.5/125 fiber, 100/140 fiber
Fiber Pigtail Length (m)1m or custom length
Dimensions (mm)Package A, B, S, DPackage DPackage E

Note:

1. All parameters are for device without connectors.

2. Special specifications can be customized according to customer requirements

3. For 50/125 um, 62.5/125 um fiber operating is at 850nm.

4. Measured under the stable mode condition with LED light source.


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