LightBend™ Dual Full 2x2 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 Dual Full 2×2 multimode OptoMechanical Fiberoptic switch connects optical channels by redirecting incoming optical signals into selected output fibers. This is achieved using a patent pending optomechanical 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. Electronic driver is available for this series of switches. 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 Dual Full 2x2 MM Fiber Optical Switch Min Typical Max Unit
Operating Wavelength  Single mode:     1260~ 1360 and/or 1510~ 1610 nm
 Multimode:         810 ~ 890 and/or 1260/1360
Insertion Loss [1] 0.6 1.0 (1.2)[3] dB
PDL (Single Mode) 0.1 dB
Return Loss [1]  Single mode:     50 dB
 Multimode:       35
Cross Talk [1]  Single mode:     50 dB
 Multimode:        35
Switching Time                                            10 ms
Repeatability ±0.05 dB
Repetition Rate 20 Hz
Durability 109 Cycle
Switching Type Latching
Operating Temperature -5 70 oC
Storage Temperature -40 85 oC
Optical Power Handling 300 500 mW
Package Dimension 10L x 6.6 W x 4.6H mm
Return Loss [1]  Single mode:     SMF-28 or equivalent
 Multimode:       MM50/125, MM62.5/125 or equivalent
Notes:   [1]. Exclude connectors.   [2]. Multimode IL measure @ Light Source CPR<14 dB.   [3]. Dual band, and Dual 1x2, Full 2x2, Dual Full 2x2.