780-1550nm 20W High Power PM Filter Coupler
High power polarization-maintaining filter coupler capable of handling up to 20W CW optical power, engineered for fiber lasers, high-power EDFA and Raman amplifier monitoring.
Technical Specifications
Parameter
Specification
Unit
Center Wavelength
780, 850, 980, 1064, 1310, 1550
nm
Operating Bandwidth
±20 (1310/1550), ±10 (780-1064)
nm
Configuration
1x2 or 2x2
-
Max. Excess Loss
≤ 0.8
dB
Min. Extinction Ratio
≥ 20 (≥ 18 for 780/850nm)
dB
Split Ratio Options
1/99, 2/98, 5/95, 10/90, 50/50
-
Min. Return Loss
≥ 50
dB
Max. Optical Power (CW)
5, 10, 20
W
Max. Peak Power (Pulse)
10
kW
Max. Tensile Load
5
N
Fiber Type
PM Panda Fiber (PM980, PM1064, PM1550)
-
Package Dimensions
dia. 5.5 x 35 mm (<=5W) / 70 x 12 x 8 mm (<=20W)
-
Operating Temperature
+10 to +50
°C
Technical Datasheet Note
High power handling requires clean fiber end faces and proper heatsinking. Splicing into system optical paths is recommended over mechanical connectors.
High power handling requires clean fiber end faces and proper heatsinking. Splicing into system optical paths is recommended over mechanical connectors.
Configuration and ordering notes
Configuration parameters include operating power level (5W, 10W, or 20W CW), center wavelength, tapping ratio (typically 1% or 2% for laser power monitoring), and fiber jacket.
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
High-power fiber laser seed tapping, MOPA amplifier power monitoring, Raman laser feedback control, and high-power coherent LIDAR transmitters.
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.