Double-clad Fiber - Fiber For Amplifiers and Fiber Lasers - Alternative Structures

Alternative Structures

For good cladding shapes the filling factor, defined above, approaches unity; the following enhancement is possible at various kinds of tapering of the cladding; non-conventional shapes of such cladding are suggested.

Planar waveguides with an active gain medium take an intermediate position between conventional solid-state lasers and double-clad fiber lasers. The planar waveguide may confine a multi-mode pump and a high-quality signal beam, allowing efficient coupling of the pump, and diffraction-limited output.

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Activation Function - Functions - Alternative Structures
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