Faraday rotator CL-ROT-785-2.5
A Faraday rotator is a magneto-optic device based on the Faraday magneto-optic effect. When a beam enters in the forward direction, the rotator rotates its linear polarization by θ. After the beam is reflected back into the rotator, its polarization rotates again in the same direction as on the forward pass. The outgoing polarization is therefore rotated by 2θ relative to the incident polarization. This effectively reduces interference between incident and reflected light, reducing its effect on the system. Faraday rotators are widely used in laser systems, including erbium-doped fiber amplifiers, optical switches and optical modulators, to help prevent optical damage or system instability caused by harmful reflected light.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Center Wavelength | 785nm |
| Clear Aperture Dimension | 2.5mm |
| Optical rotation angle [@25℃] | 45°±1° |
| Extinction ratio | >30dB |
| Transmittance | ＞95% |
| Damage Threshold [@10ns] | 10J/cm² |
Datasheet
Supplier Information
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