MEMS High Crosstalk Multimode Fiber Switch

Features:
  • Hitless
  • High Crosstalk
  • High Reliability
  • ESD Tolerance

Click 'Spec Sheet' for all available configurations/part#
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SKU: MEMH, MEMS

The MEMS High Crosstalk Multimode Fiber Optical Switch offers unique performance attributes of exceptionally high crosstalk up to 70dB, high stability over a wide temperature range, compact size, long operation life, insensitive to moisture and ESD, high optical power, no short and long-term drifts, and high-reliability for over 25 years of continuous operation. It uses a patented thermal activated MEMS-mirror, moving-in and -out optical paths at a 45 degree angle to direct an incoming light into a selected output fiber without hitting other ports, by which the degradation of multi-fiber collimator due to the laser steering in long period is entirely eliminated.

The switches are Telcordia GR1221 qualified. The switch is conveniently controlled by directly applying a voltage to each mirror actuator.

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 MEMS High Crosstalk Switch      Min Typical Max Unit
Central Wavelength      1260               1550                       1620 nm
       700               850                          900
Insertion Loss [¹] 1×2       0.6 1.0 dB
1×3, 1×4       0.8 1.2 dB
Wavelength Dependent Loss      0.1 0.3 dB
  Cross Talk [¹]          50   80 dB
Return Loss [¹]          35 dB
Switching Time [2]                                 10 ms
Repeatability                                                       ±0.05 dB
Repetition Rate                                 10 Hz
Durability        109 Cycle
Switching Type Non-Latching  
Operating Temperature        -5   70 oC
Storage Temperature        -40   85 oC
Optical Power Handling (CW)         300 500 mW
Fiber Type                        50/125um or equivalent    

[1]. Exclude connectors. Measured using laser with CPR~14dB for 50/125um MM fiber. 0.3dB more in IL for 62.5/125 MM fiber.

[2]. Optical response only.  There is some electrical delay