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| Coad | 666395 | Type | Single-Mode Fiber Faraday Mirror | |
| Wavelength(nm) | 1950 | Connector Type | FC/UPC | |
| Fiber Model | SM1950, 900 µm Loose Hytrel® Tube | Fiber Length（m） | 1 | |
| Central Wavelength | - | Bandwidth | ±15nm | |
| Operating Temperature | -5 - 70°C | Storage Temperature | -40 - 85°C | |
| Operating Mode | - | Splitting Ratio | - | |
| Extinction Ratio | - | Insertion Loss | ≤0.9dB | |
| Return Loss | - | Excess Loss | - | |
| Polarization-Dependent Loss | ≤0.1dB | Polarization Mode Dispersion | - | |
| Directionality | - | Package Size | 5.5 x 35.0mm | |
| Uniformity | - | Isolation | - | |
| Maximum Optical Power | 300mW | Maximum Tension | 5N | |
| Minimum Crosstalk | - | Rotation Angle | 90 ± 3 ° | |
| Port Configuration | - | |||
The LBTEK single-mode fiber Faraday reflector is primarily fabricated using the Faraday magneto-optic effect. The input light enters through the fiber, is collimated into a parallel beam by a fiber collimator, and then passes through the Faraday rotator, which rotates the polarization state by 45°. After reflection from the mirror, the light retraces its path and passes through the Faraday rotator again. Due to the Faraday magneto-optic effect, the reflected light’s polarization rotates in the same direction as the incident light, resulting in a total rotation of 90°. The reflected light is then coupled back into the original fiber via the collimator. This device is mainly used in fiber amplifiers, fiber lasers, fiber sensors, and other applications.
LBTEK provides various customization options, including wavelength, fiber type, rotation angle, and connector type. The single-mode fiber Faraday reflector consists mainly of a fiber collimator, Faraday rotation crystal, magnetic ring, and planar mirror (typically a reflective filter). It features low insertion loss, minimal rotation angle error, and excellent environmental stability and reliability, effectively minimizing parameter variations in the fiber caused by thermal or mechanical perturbations.
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