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    Article

    Clean waveguides in lithium niobate thin film formed by He ion implantation

    We report on the fabrication of channel waveguides by He ion implantation in a single-crystal LiNbO3 film bonded to a SiO2/LiNbO3 substrate. The planar waveguides were also formed under the same conditions to sho...

    Shao-Mei Zhang, Yun-Peng Jiang, Yang Jiao in Applied Physics B (2017)

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    Article

    Studies of recombination X-ray-laser gain and gain-medium uniformity

    The time evolution of the uniformity of the line-shaped X-ray-laser gain medium and the spatial characteristics of the recombination X-ray-laser gains of the Li-like ions are studied using long (∼900 ps) and s...

    Zhi-zhan Xu, Zheng-quan Zhang, Pin-zhong Fan, in Applied Physics B (1993)