Frequently Asked Questions

A Faraday rotator is a device that changes the polarization state of light traveling through it.

The output polarization state is rotated by 45 degrees with respect to the input polarization.

The reflected light is rotated by another 45 degrees, resulting in a 90 degree rotation. In addition, the polarization handedness is reversed by the mirror.

They can be used in fiber lasers, interferometers, sensors, amplifiers, circulators, and OCT systems.

You should consider the center wavelength, insertion loss, return loss, polarization extinction ratio, rotation angle, and rotation tolerance.

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