Bleaching effect of radiation-induced darkening in Yb3+-doped large mode area photonic crystal fiber based on deuterium and hydrogen loading
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We report the radiation-induced darkening (RD) effect caused by X-ray radiation and the bleaching effect caused by D2/H2/N2 loading in self-developed Yb3+-doped large mode-area photonic crystal fibers (LMA PCFs). The decrease in the slope efficiency caused by ... ...