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机译:将具有椭圆锗硅酸盐包层的各向异性单模光导中的光学损耗降至最低
St. Petersburg State University of Information Technologies, Mechanics, and Optics, St. Petersburg, Russian Federation;
Scientific Research and Technological Institute of Optical Material Science, VNTs S. I. Vavilov State Optical Institute, St. Petersburg, Russian Federation;
St. Petersburg State University, St. Petersburg, Russian Federation;