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Conferences > BGPPM > 2022 > BW2A > BW2A.5

Inscription of Helical Bragg Gratings in Multimode Silica-based Fiber

V.V. Likhov, S.A. Vasiliev, G.K. Alagashev, and A.G. Okhrimchuk

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Abstract

Helical Bragg gratings have been inscribed in multimode silica-based fiber by a lenticular-shaped beam waist of the femtosecond laser. Modes with nonzero orbital angular momentum have been observed in reflection spectrum.

© 2022 The Author(s)

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