780-1550nm 1x2 / 2x2 PM Filter Coupler
Polarization-maintaining filter coupler for amplifier, sensing and fiber-instrument applications, available in 1x2 and 2x2 configurations with split ratios from 1/99 to 50/50.
Technical Specifications
Parameter
Specification
Unit
Center Wavelength
1550, 1310, 1064, 980, 850, 780
nm
Operating Range
±40 (1550/1310), ±20 (1064/980), ±10 (850/780)
nm
Configuration
1x2 or 2x2
-
Max. Additional Loss (1x2)
0.7 (1550/1310), 0.8 (1064/980/850/780)
dB
Max. Additional Loss (2x2)
1.0 (1550/1310), 1.2 (1064/980/850/780)
dB
Uniformity (50/50 only)
0.4 to 0.8
dB
Min. Extinction Ratio
≥ 20
dB
Min. Return Loss
≥ 50
dB
Max. Optical Power (CW)
300
mW
Max. Tensile Load
5
N
Fiber Type
PM Panda Fiber
-
Package Dimensions
dia. 5.5 x 35 mm
-
Operating Temperature
-5 to +70
°C
Storage Temperature
-40 to +85
°C
Technical Datasheet Note
For configuration selection and quotation, specify split ratio (1/99 to 50/50), operating wavelength, fiber type and connector options. Custom pigtails subject to engineering review.
For configuration selection and quotation, specify split ratio (1/99 to 50/50), operating wavelength, fiber type and connector options. Custom pigtails subject to engineering review.
Configuration and ordering notes
Configuration parameters include configuration (1x2 for splitting/tapping or 2x2 for bidirectional interferometry), operating wavelength band, required coupling ratio, and connector polish (FC/UPC or FC/APC).
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
Erbium-doped fiber amplifiers (EDFA), Raman fiber amplifiers, optical coherence tomography (OCT), fiber gyroscopes, and polarization-sensitive test instrumentation.
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.