LightBend™ Quad 2x2 Bypass SM Optical Switch

  • Low Optical Distortions
  • High Reliability
  • Fail-Safe Latching
  • Epoxy-Free Optical Path

Click 'Spec Sheet' for all available configurations/part#


The LB Series Quad 2×2 Bypass Fiberoptic switch integrated 4 simultaneously activated 2×2 Bypass switches in a single compact format. The device connects optical channels by redirecting incoming optical signals into selected output fibers. This is achieved using a patented opto-mechanical configuration and activated via an electrical control signal. Latching operation preserves the selected optical path after the drive signal has been removed. The switch has integrated electrical position sensors. This novel design significantly reduces moving part position sensitivity, offering unprecedented high stability as well as an unmatched low cost. The switch is bidirectional.

We offer tight-bend-fiber version, which reduces the minimum bending radius. This feature enables smaller overall foot print.


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LB Quad 2x2 Bypass SM Switch Min Typical Max Unit
Operation Wavelength Single Band 1260~1360 0r 1510~1620 nm
Dual Band   1260~1360 and 1510~1620
Broad Band        1260~1620
Insertion Loss [1], [2]   0.6 1.1 dB
Wavelength Dependent Loss   0.15 0.30 [3] dB
Polarization Dependent Loss     0.1 dB
Return Loss [1], [2] 55     dB
Cross Talk [1], [2] 55     dB
Switching Time   3 10 ms
Repeatability     ±0.02 dB
Durability         107 Cycle
Operating Voltage 4.5 5         6 VDC
Operating Current   30 60 mA
Switching Type Latching/Non-Latching  
Operating Temperature -5   70 oC
Storage Temperature -40   85 oC
Optical Power Handling                     300               500 mW
[1]. Within operating temperature and SOP. [2]. Excluding Connectors. [3]. Dual and Broad Band.