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Linearly Polarized Fiber Lasers with PM FBG Reflectors

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Linearly Polarized Fiber Lasers with PM FBG Reflectors

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Linearly polarized fiber lasers are required in many applications such as sensing, nonlinear frequency conversion, and for coherent or polarization beam combining. To obtain linearly polarized fiber lasers, a polarizer can be used at the output or inside the fiber laser cavity to select a single polarization. But this technique presents several disadvantages such as increased cost, higher insertion losses, power limitations, and reliability issues.

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