LightBend™ Quad 1x2 MM 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 1×2 multimode Fiberoptic switch integrated 4 simultaneously activated 1×2 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 from normal 15 mm to 7 mm. This feature enables smaller overall foot print.


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LB Quad 1x2 MM Fiber Optical Switch Min Typical Max Unit
Operating Wavelength                                                           850, 1310, 1410, 1550 nm
Insertion Loss [1] 0.6 1.1 dB
Wavelength Dependent Loss 0.30 dB
TDL  0.15 0.4 dB
PDL 0.1 dB
Return Loss[1],[2]                        35 dB
Cross Talk[1]                        35 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
 Voltage Pulse Width (Latching)  20 dB
Switching Type Latching or Non-Latching
Operating Temperature 0 70 oC
Optical Power Handling 300  500**** mW
Storage Temperature -40 85 oC
 Fiber Type                                                    MM62.5/125 or MM50/125
Package Dimension 28.0L x 27.0W x 8.0H  mm
Notes:   [1]. Insertion loss excludes connector.   [2]. Light source CPR<14dB.   [3]. Our device is designed and optimized for certain laser launch condition which is characterized as CPR value. In general, if application exceeds the specified CPR value, optical performance will become worse. * Continuous operation, for pulse operation call