Ipg Photonics Corporation

Vladimir Sergueev

Valentin Gapontsev

Mikhail Vyatkin

Ilya Zaytsev

Dan Myasnikov

An optical active fiber is configured with an asymmetrically-shaped core having at least one long axis and a shortest axis which extends transversely to the long axis. The outmost cladding of the active fiber is configured with a marking indicating the orientation of the short axis. The marking allows for bending the fiber so that the shortest axis extends along and lies in the plane of the bend thereby minimizing distortion of a mode which is guided by the asymmetrically-shaped core as light propagates along the bend.

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Burbach, Germany

Vladimir Sergueev