Polarization Maintaining (PM) 1×2, 2×2 Fiber Optic Coupler

  • Low Insertion Loss
  • 480nm to 2200nm
  • Extinction Ratio 18-26
  • Compact Package
  • High Reliability & Stability
  • Cost Effective

Click 'Spec Sheet' for available configurations/part#


Photonwares’s 1×2, 2×2 Polarization Maintaining (PM) fiber optic coupler is used for monitoring or splitting optical signals in Polarization Maintaining fiber. The component is available in any coupling ratio from 1% to 50%. Employing Photonwares’s proven advanced micro-optic design, it features low insertion loss, epoxy-free optical path, high extinction ratio, compact package, high reliability, and high stability. These high-quality components have excellent characteristics, making them an ideal choice for application in fiber amplifier systems, pump lasers, and optical fiber sensors.


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  Parameter Min Max Unit
Operating Wavelength1 780~1550nm nm
Excess Loss 2 0.3 0.8 dB
Extinction Ratio 2 (ER) 18 22 dB
Directivity >   55 dB
Return Loss 2 >   55 dB
Polarization Alignment Slow Axis or Fast Axis
Optical Power Handling < 3 W
Operating Temperature Range -40 ~ 85     oC
Storage Temperature -50 ~ 85    oC
Fiber Type Panda PM Fiber
Package Dimension Ø4x 40;Ø4x 54;98x16x9 mm


1 Other wavelength available

2 Excluding connectors