CrystaLatch™ 1×8 High Power 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 CrystaLatchTM 1×8 Series 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. The all-solid-state CL 1×8 fiber optic switch features low insertion loss, high extinction ratio, high channel isolation, and extremely high reliability and repeatability. It is designed to meet the most demanding switching requirements of continuous operation without failure, longevity, operation under shock/vibration environment and large temperature variations, and fast response time.

The switch also has build-in Circulator and isolator functions. An electronic driver is available for this series of switches.


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CL Series 1×8 Switch Min Typical Max Unit
Operation Wavelength [1] 1520 1550 1580 nm
1295 1310 1325 nm
Insertion Loss [2] 1.2 2.2 dB
Cross Talk [2] Bidirectional Series  35 45 dB
Unidirectional Series  40 50 dB
Return Loss [2]  50 55 dB
PDL (SMF Series only)       0.15 0.35 dB
Extinction Ratio (PMF Series only)  18        25 dB
Polarization Mode Dispersion (SMF Series only) 0.2 ps
Switch Speed (Rise, Fall)        50 200 µs
Repetition Rate        2K Hz
Durability  1011 cycle
Optical Power Handling Standard        300 500 mW
High Power Series 2 [3] W
Switch type Solid-State Latching  
Operating Temperature [3] -5 70 [4] oC
Storage Temperature -40 85 oC
Fiber Type   SMF-28, Panda PM, or equivalent
Package Dimension   70.6L x 38.3W x 8.5H mm

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

[2]. Measured without connectors.

[3]. Continuous operation, for pulse operation call.

[4]. The premium versions with the operating temperature larger than -5~+70oC are available, please see the ordering information.