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  • Bragg Gratings, Photosensitivity, and Poling in Glass Fibers and Waveguides: Applications and Fundamentals
  • Technical Digest Series (Optica Publishing Group, 1997),
  • paper JSuE.18
  • https://doi.org/10.1364/BGPPF.1997.JSuE.18

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

Open Access Open Access

Abstract

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.

© 1997 Optical Society of America

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