CrystaLatch™ 1x6 Optical Reflection Switch for LIDAR Sensor Applications

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



This family of fiber optical switches uniquely provides key function for sensor and LIDAR applications.  The CL Series 1×6 Series reflection switch directs a laser into a selected fiber among 6 output ports and at the same time collect the reflected signal into a dedicate sensor port. This magneto-optic proprietary configuration  minimizes optical signal loss by eliminating the need for additional circulator or coupler.  The switching is achieved using patented non-mechanical configurations with built-in circulator and activated via an electrical control signal. Moreover, it has latching function that preserves the selected optical path after the drive signal has been removed.

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, as well as -40 C 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 nm
Insertion Loss [2] 1.2 2.0 dB
Cross Talk [2] 40 50 dB
Return Loss [2] 50 55 dB
PDL (Except PM Series Switch) 0.15 0.25 dB
Directivity [3]
Extinction Ratio (PM Series Switch only)       18  25 dB
Polarization Mode Dispersion 0.2 ps
Switch Speed (Rise, Fall)  5 50 200 µs
Repetition Rate 2K Hz
Durability   1011 cycle
Optical Power Handling High Power Series Switch         3  5 W
Others        300 500 mW
Switch type           Solid-State Latching
Operating Temperature [4]        -5                                70       oC
Storage Temperature       -40                               85       oC
Fiber Type SMF-28 fiber, Panda PM fiber, or equivalent
Package Dimension             72L x 37W x 7.8H                     mm
[1]. Agiltron can achieve same SPEC at L band [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.