2.0um PM Coupler


  • Low Insertion Loss

  • High Return Loss


Parameters Unit  Values
Port Type   1X2 2X2
Center Wavelength nm 2000
Operating Wavelength Range nm 50
Max. Excess Loss  dB 1.2 1.5
Max. Uniformity (only for 50/50) dB 0.8 1.0
Tap Ratio (Port 2/4)    10.3%, 20.6%, 51.2%, 10%, and 50% 
Min. Return Loss dB 50
Min. Extinction Ratio (only for F type) dB 20 18
Min. Extinction Ratio (only for B type) dB 18 16
Max. Optical Power (CW) mW 500 (only for Splitter)
Max. Tensile Load N 5
Fiber Type   PM 1550 or PM 1950 Fiber on Port 1 & Port 3
Operating Temperature -5 to +70
Storage Temperature  -40 to +85

* Above specifications are for devices without the connectors

* For devices with connectors, IL will be 0.3dB higher, RL will be 5dB lower, and ER will be 2dB lower

*The PM fiber and the connector key are aligned to the slow axis. And for F type, fast axis is blocked


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