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WDM/CWDM/DWDM Filters
GROWSFIBER's WDM/CWDM/DWDM Filters are based on TFF technology and used to combine/separate optical signals in a range of network applications. The operating wavelength, fiber type, fiber length, and connector type can be customized.
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  • Low insertion loss
  • High isolation
  • Low polarization dependent loss
  • Compact design
  • Wide operating wavelength range: 1260nm-1620nm
  • High reliability and high stability
  • Telcordia GR-1209-CORE-2001compliant
  • Telcordia GR-1221-CORE-1999 compliant
  • ITU-T G.694.1 compliant (DWDM)
  • ITU-T G.694.2 compliant (CWDM)
  • RoHScompliant
  • Data Center Interconnect Network
  • Metro Optical Transport Network
  • Telecommunications Network

WDM Filters

Parameters Wavelengths Options
Operating Wavelength(nm) T13R15 T15R13 T13R1415 T14R1315 T15R1314 T1415R13 T1314R15
Pass Channel Wavelength(nm) 1310±40 1550±40 1310±40 1490±10 1550±10 1490±10
1550±10
1310±40
1490±10
Reflection Channel Wavelength (nm) 1550±40 1310±40 1490±10
1550±10
1310±40
1550±10
1310±40
1490±10
1310±40 1550±10
Pass Channel Insertion Loss(dB) <0.6
Reflection Channel Insertion Loss(dB) <0.4
Pass Channel Isolation (dB) >30
Reflection Channel Isolation (dB) >15
Directivity (dB) >50
Return Loss(dB) >45
Ripple (dB) <0.3
Polarization Dependent Loss (dB) <0.1
Polarization Mode Dispersion (ps) <0.1
Maximum Optical Power (mw) 300
Operating Temperature (°C) -5 to +75
Storage Temperature (°C) -40 to +85
Package (mm)(Φ×L) 250um bare fiber:5.5×34
0.9mmtube fiber:5.5×38

Note: All specifications are based on the devices without connectors, and guaranteed over wavelength, polarization and temperature. Fiber type is G657A1.

Ordering Information

Part Number Description
GFWFT3R5 WDM Filter, TX 1310nm, RX 1550nm
GFWFT5R3 WDM Filter, TX 1550nm, RX 1310nm
GFWFT3R45 WDM Filter, TX 1310nm, RX 1490nm&1550nm
GFWFT4R35 WDM Filter, TX 1490nm, RX 1310nm&1550nm
GFWFT5R34 WDM Filter, TX 1550nm, RX 1310nm&1490nm
GFWFT45R3 WDM Filter, TX 1490nm&1550nm, RX 1310nm
GFWFT34R5 WDM Filter, TX 1310nm&1490nm, RX 1550nm

Note: If there is a demand for orders that are different from those described above, please contact GrowsFiber. Customized options are shown as following:

CWDM Filters

Fiber Type 250um bare fiber, 0.9mm loose tube
Fiber Length 1.0m, 1.5m, 2.0m, 2.5m, …
Connector Type None, LC/UPC, LC/APC, SC/UPC, SC/APC, FC/UPC, FC/APC
Parameters CWDM Filter
Channel Space (nm) 20
Center Wavelength (nm) ITU Grid
Operating Wavelength (nm) 1260 to 1620
Channel Passband (nm) ITU±6.5
Pass Band Insertion Loss (dB) < 0.6
Reflection Band Insertion Loss (dB) < 0.4
Pass Band Isolation (dB) > 30
Reflection Band Isolation (dB) > 12
Directivity (dB) > 50
Return Loss (dB) > 45
Ripple (dB) < 0.3
Polarization Dependent Loss (dB) < 0.1
Polarization Mode Dispersion (ps) < 0.1
Maximum Optical Power (mw) 300
Operating Temperature (℃) -5 to +75
Storage Temperature (℃) -40 to +85
Package (mm)(Φ×L) 250um bare fiber: 5.5×34
0.9mm tube fiber: 5.5×38

Notes: All specifications are based on the devices without connectors, and guaranteed over wavelength, polarization and temperature. Fiber type is G657A1.

Ordering Information

Part Number Description
GFCWF27 CWDM Filter, 1270nm
GFCWF29 CWDM Filter, 1290nm
GFCWF61 CWDM Filter, 1610nm

Note: If there is a demand for orders that are different from those described above, please contact GrowsFiber. Customized options are shown as following:

Fiber Type 250um bare fiber, 0.9mm loose tube
Fiber Length 1.0m, 1.5m, 2.0m, 2.5m, …
Connector Type None, LC/UPC, LC/APC, SC/UPC, SC/APC, FC/UPC, FC/APC

DWDM Filters

Parameters DWDM Filter
Channel Space (GHz) 100 200
Center Wavelength (nm) ITU Grid
Center Wavelength Accuracy (nm) ±0.05 ±0.1
Channel Passband (@-0.5dB) (nm) 0.22 0.5
Pass Band Insertion Loss (dB) < 1.0 < 0.9
Reflection Band Insertion Loss (dB) < 0.4
Pass Band Isolation (dB) > 30
Reflection Band Isolation (dB) > 12
Directivity (dB) > 50
Return Loss (dB) > 45
Ripple (dB) < 0.3
Polarization Dependent Loss (dB) < 0.1
Polarization Mode Dispersion (ps) < 0.1
Maximum Optical Power (mw) 300
Operating Temperature (°C) -5 to +75
Storage Temperature (°C) -40 to +85
Package (mm)(Φ×L) 250um bare fiber: 5.5×34
0.9mm tube fiber: 5.5×38

Notes: All specifications are based on the devices without connectors, and guaranteed over wavelength, polarization and temperature. Fiber type is G657A1.

Ordering Information

Part Number Description
GFDWF15 DWDM Filter, C15
GFDWF16 DWDM Filter, C16
GFDWF64 DWDM Filter, C64

Note: If there is a demand for orders that are different from those described above, please contact GrowsFiber. Customized options are shown as following:

Channel Spacing 100GHz, 200GHz
Fiber Type 250um bare fiber, 0.9mm loose tube
Fiber Length 1.0m, 1.5m, 2.0m, 2.5m, …
Connector Type None, LC/UPC, LC/APC, SC/UPC, SC/APC, FC/UPC, FC/APC
WDM Filters Datasheet
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CWDM Filters Datasheet
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DWDM Filters Datasheet
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