1x4 PM Optical Switch – Fiber-Fiber™

Ultra-Low Loss, Vibration Insensitive, SM, PM, MM, Bidirectional, High Optical Power
  • Low Optical Distortions
  • High Isolation
  • High Reliability
  • High Extinction
  • Low Cost

Click 'Spec Sheet' for available configurations/part#


The FF Series fiber optic switch connects optical channels by a MEMS platform and activated via an electrical relay. The advanced design significantly increase the performance, offering unprecedented low optical loss, broad wavelength operation with no coatings, extremely high extinction, high power handling, as well as an unmatched low cost.
Latching operation preserves the selected optical path after the driver signal has been removed. The switch is bidirectional and conveniently controllable by 5V TTL.


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FF PM 1×4 Switch Min Typical  Max Unit
  Wavelength 200                                                                               2500 nm
  Insertion Loss 1    0.6                                           1 dB
  Cross Talk     60                                           70 dB
  Wavelength Dependent Loss    0.05                                        0.1 dB
Polarization Extinction Ratio 23                                   25                                          28
Switching Speed                                         10                                          15 ms
Return Loss     55                                                                                         60 dB
Repeatability ± 0.02 dB
Durability 108 Cycles
Operating Optical Power2 1 1.2 W
Operating Voltage 4 5 7 VDC
Operating Current (Latching/Non-Latching) 30               70 mA  
Switching Type Latching / Non-Latching  
Operating Temperature -20 ~ 80          oC
Storage Temperature -40 ~ 85       oC


  1. SM 28 fiber, Excluding Connectors. For MM fiber with laser CPR<14.
  2. CW laser power, pulse operation power handling is high than 2W