CrystaLatch™ 1×5, 1×6 PM High Power Reflection Optical Switch

  • High Speed
  • Low Insertion Loss
  • Non-Mechanical
  • Ultra-High Reliability
  • Fail-Safe Latching
  • Direct Low Voltage Drive
  • Compact
  • Vibration Tolerance
  • Low Cost



The CL 1×5 or 1×6 Series reflection switch connects optical channels by redirecting an incoming optical signal into a selected output fiber at the same time collect the reflected signal into a dedicate sensor port. This proprietary configuration is designed for sensor and LIDAR application, minimizing optical loss and eliminating the need for additional circulator or coupler.  The switching 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.

This series of reflective switches are designed to meet the most demands of continuous operation without wear-out, longevity without fail, and live operation under vibration/shock, as well as -40 0C operation. Electronic driver is available for this series of switches.


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CL 1x6 Reflection Series Switch Min Typical Max Unit
Operation Wavelength [1] 1520 1550 1580 nm
1295 1310 1325
Insertion Loss [2] 1.2 2.0 dB
Cross Talk [2] 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
Directivity [3]         45 50 dB
PMD (SM Series Switch only) 0.2 ps
Switch Speed (Rise, Fall)  5 50 200 µs
Repetition Rate 2K Hz
Durability   1011 cycle
Optical Power


High Power Series Switch         3  5 W
Others        300 500 mW
Switch type Latching
Operating Temperature [4] -5                              70       oC
Storage Temperature -40                             85       oC
Fiber Type SMF-28, Panda PM, or equivalent
Package Dimension 72L x 37W x 7.8H mm

[1]. Same specs switches at L band are available, please contact us.

[2]. Measured without connectors.

[3]. Defined as the optical power at the sensor port when light is launched into the input.

[4]. Operating temperature -40~85°C version is available as special.