PSW-002 Product
PSW-002

Polarization Switch

The PSW-002 is a solid-state polarization switch that can quickly and repeatably rotate the SOP of incoming light by a fixed angle, either 45 or 90 degrees.

Product Description

The PSW-002 uses a magneto-optic rotator to switch the output polarization state between two output states separated by a relative angle of 45° or 90°. Both single mode and PM fiber pigtailed versions are available. With the PM option, the device functions as a TE to TM converter, switching the SOP between being aligned with the slow and fast axes of the PM fiber, or between the slow axis and 45 degrees from the slow axis. With the SM option, the device simply rotates the polarization ellipse either 45 or 90 degrees.

  • Key Features
    • Digitally switched SOP
    • Switching speed 100µs
    • No moving parts
    • Compact
  • Specifications
    Wavelength range 1550±30nm or 1310±30nm
    Polarization rotation (at λc , 23°C) 45±0.5° or 90±0.5°
    Polarization rotation
    (all wavelengths, all temperatures in range)
    45±5° or 90±5°
    Rotation angle temperature dependence −0.1 degree / °C for 45° version
    −0.2 degree / °C for 90° version
    SOP switching speed 100µs typical
    Switching Current < 130 mA
    Switching Voltage 2.5 V
    Latching Current ~ 80 mA
    Latching Voltage 1.5 to 2 V

    For full specifications, please download the data sheet.

  • Documentation

Solutions and Applications

The PSW-002 is a small module suitable for OEM integration wherever polarization switching is required. Applications include polarization diversified detectors and sensors, polarization sensitive OCT, polarization metrology, polarization sensitive OTDR and OFDR, and PMD monitoring.

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