1×4 Broad Wavelength MEMS Optical Switch – Fiber-Fiber™

Ultra-Low Loss, Vibration Insensitive, SM, PM, MM, Bidirectional, High Optical Power
  • Low Optical Distortions
  • High Isolation
  • High Reliability
  • Fail-Safe Latching
  • Epoxy-Free Optical Path
  • Low Cost

Click 'Spec Sheet' for available configurations/part#


The FF Series fiber optic switch connects optical channels by a micro-mechanical fiber to fiber auto-alignment 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, 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 has integrated electrical position sensors. The switch is bidirectional and conveniently controllable by 5V TTL.

Using no lens, the FF Series switch can accommodate all type of fibers, including SM. MM, PM, double cladding, bendable, large core, small core.


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FF 1×4 Min Typical  Max Unit
  Wavelength 500                                2000 nm
  Insertion Loss 1    0.6                                             1 dB
  Wavelength Dependent Loss    0.05                                           0.1 dB
Polarization Dependent Loss                                       0.1 dB
Polarization Extinction Ratio2 22                                 25                                       27
Return Loss     55 dB
Cross Talk                                       50 dB
Switching Time     15          20 ms
Repeatability ± 0.02 dB
Durability 107 Cycles
Operating Optical Power2 0.5 1 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. For PM fiber only
  3. For MM fiber with laser CPR<14