20W High Power WDM / Optical Filter
High-power thin-film optical filter WDM handling up to 20W CW optical power, available in 1064/980, 1550/980, 1550/1064, 1550/1480, and 2000/1550 nm channel pairs with high isolation (≥25-30 dB).
Technical Specifications
Parameter
Specification
Unit
Wavelength Combinations
1064/980, 1550/980, 1550/1064, 1550/1480, 2000/1550
nm
Pass Band
1020-1080 / 1520-1580 / 1535-1565 / 1950-2050
nm
Reflect Band
960-990 / 1020-1080 / 1480±10 / 1570±10
nm
Max. Pass Insertion Loss
0.7 - 0.8
dB
Max. Reflect Insertion Loss
0.5 - 0.8
dB
Min. Pass Isolation
25 - 30
dB
Min. Reflect Isolation
12 - 15
dB
Max. Channel Flatness
0.4
dB
Min. Extinction Ratio @ 23°C (PM)
18
dB
Min. Return Loss
50
dB
Max. Optical Power (CW)
1, 3, 5, 10, 20 or specified
W
Thermal Stability (Wavelength)
0.003
nm/°C
Thermal Stability (Insertion Loss)
0.005
dB/°C
Package Dimensions
dia. 5.5 x 35 mm (<=5W) / 70 x 12 x 8 mm (<=20W)
mm
Operating Temperature
0 to +70
°C
Storage Temperature
-40 to +85
°C
Technical Datasheet Note
With connectors, handling power is limited to 1W; IL increases by 0.3 dB, RL decreases by 5 dB and ER decreases by 2 dB.
With connectors, handling power is limited to 1W; IL increases by 0.3 dB, RL decreases by 5 dB and ER decreases by 2 dB.
Configuration and ordering notes
Filter-based WDM review covers channel bandwidth, isolation, wavelength pairing and power conditions. The specification table defines the listed ratings.
Selection Guidance: Compare TFF vs FBT multiplexing and ASE suppression in our WDM & Optical Filters for EDFA Guide ↗ or PM WDM Selection Guide ↗.
Key Applications
CATV systems; High-power WDM modules; EPON / GPON networks; High-power fiber laser multiplexing.
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.