CrystaLatch™ 1x3, 1×4 PM Fiber Optical Switch

  • High Speed
  • Non-Mechanical
  • High Reliability
  • Fail-Safe Latching
  • Low Insertion Loss
  • Rugged
  • Compact
  • Cost Effective
  • Direct Low Voltage Drive

Click 'Spec Sheet' for available configurations/part#


The CL Series bidirectional 1×4 solid-state fiber optical switch connects optical channels by redirecting an incoming optical signal into a selected output fiber. This is achieved using patented non-mechanical configurations and activated via an electrical control signal. Latching operation preserves the selected optical path after the drive signal has been removed. These switches are true bidirectional allowing light propagating in both directions simultaneously, a critical feature for sensing applications. Photonwares non-mechanical CL fiber optic  switch features low insertion loss, fast response time, high extinction ratio, and extremely high reliability and repeatability. It is designed to meet the most demanding switching requirements of continuous operation without wear-out, longevity without fail, and live operation under vibration/shock. Electronic driver is available for this series of switches.


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CL 1x4 Series Switch Min Typical Max Unit
Operation Wavelength [1] 1520 1550 1580 nm
1295 1310 1325 nm
Insertion Loss [2] 1.2 1.7 dB
Cross Talk [2] Bidirectional Series 35 50 dB
Unidirectional Series 40 50 dB
Return Loss [2] 50 55 dB
PDL (SM Series Switch only) 0.15 0.25 dB
Extinction Ratio (PM Series Switch only)       18  25 dB
Polarization Mode Dispersion 0.2 ps
Switch Speed (Rise, Fall) 50 200 µs
Repetition Rate 2K Hz
Durability   1011 cycle
Optic Power Handling Standard         300  500 mW
High Power Series 3 5 W
Switch type           Solid-State Latching
Operating Temperature        -5                                70       oC
Storage Temperature       -40                               85       oC
Fiber Type SMF-28, Panda PM, or equivalent
Package Dimension         53.5L x 38.3W x 8.5H               mm


[1]. Agiltron can achieve same SPEC at L band

[2]. Measured without connectors.