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Cross-section of the spiral-shaped cladding (blue), the chunk (red) at the spiral in navoidable, as the spiral in not a closed curve, and 3 segments of a ray (green), which increase its angular momentum until to reach the chunk. The core (not shown in the figure), placed in vicinity of the chink, will be efficiently pumped by all the rays. This makes the spiral-shapes cladding better, than all other chaotic fibers.

The deformation is exaggerated; it has no need to be larger than the size of the core, which can be very small compared to the size of the cladding.

dima 06:42, 18 March 2007 (UTC)

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