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The laser power generated by patented beam coupling of fibre lasers was successfully demonstrated for the first time in the world.
Key elements of the optical system include the beam path design with its maximum optical precision and the uncompromising concentration on the essentials, the beam combiner system for extremely accurate beam coupling and superimposition, the beam splitter with continuous and loss-free splitting of the light spectrum and, last but not least, the extremely stable pinhole.
The bellows flexible coupling has the best torsional stiffness -- [greater than] 22,000 ounce-inches per radian -- followed by the slotted radial beam coupling at 16,000 ounce-inches per radian.