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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...
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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...