All-Fiber Polarization Maintaining Coupler


  • Optical transmission systems
  • Optical fiber sensors
  • EDFA and Raman amplifier


  • Low Loss
  • High Power handling
  • Low cost
  • Good Extinction Ratio



Wavelength nm1300,1480 and 1550
Fiber configuration 1x2,2x2 and 1x3
Polarization Axis Slow axis or Fast axis
Extinction Ratio(cross talk) dB Typical 20, Max 23
Wavelength Dependent loss dB 0.1 (through) and 0.3 (cross)
Coupling Ratio 1, 5, and 50%
Insertion Loss > 0.7
Operating temp . -5°C to 85°C
Polarization Cross talk Max: 25dB
Return loss >55
Storage temp. -40°C
Fiber type PM Panda fiber
Pigtail option 1m fiber standard, 900um optional

LxWxH mm
Pigtail ~1m fiber or cable options

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