多价稀土离子掺杂铝硅酸盐玻璃光纤的光敏性

Bragg Gratings, Photosensitivity, and Poling in Glass Fibers and Waveguides: Applications and Fundamentals Pub Date : 1900-01-01 DOI:10.1364/bgppf.1997.jsue.18

K. Oh, U. Paek, T. Morse

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引用次数: 0

摘要

采用气溶胶输送技术将多价稀土离子Sm+2/Sm+3注入到铝硅酸盐玻璃纤维中。三价和二价离子的共掺杂已在光谱上得到证实。在1瓦的多线连续氩离子激光照射下，光纤的光致折射率变化为7.6 × 10−5。同时还观察到Sm+2吸收带的漂白现象。Sm+2的光电离被认为是光敏性的主要原因。

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Photosensitivity in multi-valent rare earth ion doped aluminosilicate glass optical fiber

Multivalent rare earth ion, Sm+2/Sm+3 was incorporated into aluminosilicate glass fiber using an aerosol delivery technique. Co-doping of trivalent and divalent states of the ions has been spectroscopically confirmed. Irradiated by multi-line CW Ar ion laser of 1 Watt, the fiber showed photoinduced refractive change of 7.6 × 10−5. Bleaching of Sm+2 absorption band was also observed. Photoionization of Sm+2 is believed to be a main cause of the photosensitivity.

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Bragg Gratings, Photosensitivity, and Poling in Glass Fibers and Waveguides: Applications and Fundamentals

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