LightBend™ Dual 1x1,1x2 MM Optical Switch

  • Low Optical Distortions
  • 8 Ports Integration
  • High Isolation
  • High Reliability
  • Fail-Safe Latching
  • Epoxy-Free Optical Path
  • Low Cost

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


The LB Dual 1×2 Multimode Fiberoptic switch is a highly integrated single device with 6 fiber ports. Based on an Photonwares’s pending patent, the switch is designed especially for protection and restoration applications. The switch is activated by a 5V pulse between two states and latching operation preserves the selected optical path after the drive signal has been removed. The switch has integrated electrical contact based position sensors. The proprietary simple design significantly reduces moving part position sensitivity, offering unprecedented high stability as well as 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 1x2 MM Fiber Optical Switch Min Typical Max Unit
Operating Wavelength                                                           850, 1310, 1410, 1550 nm
Insertion Loss [1] 0.6 0.9 dB
Wavelength Dependent Loss 0.25 dB
TDL  0.15 0.4 dB
PDL 0.1 dB
Return Loss[1],[2]                        35 dB
Cross Talk[1]                        35 dB
Switching Time 10 20 ms
Repeatability ±0.02 dB
Durability                                            107 Cycle
Operating Voltage                         4.5 5 6 VDC
Operating Current (Latching/Non-Latching) 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 mm
Package Dimension 30.0L x 30.0W X 8.5H
Notes:   [1]. Within operating temperature and with light source CPR <14 dB.   [2]. Excluding Connectors.