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Optics Letters

Optics Letters


  • Vol. 18, Iss. 11 — Jun. 1, 1993
  • pp: 870–872

Dynamic and orientational behavior of UV-induced luminescence bleaching in Ge-doped silica optical fiber

Michel Poirier, Simon Thibault, Jocelyn Lauzon, and Francois Ouellette  »View Author Affiliations

Optics Letters, Vol. 18, Issue 11, pp. 870-872 (1993)

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We report two experiments on UV light-induced bleaching of the 400-nm luminescence associated with the 240-nm absorption band in Ge-doped optical fiber. We have measured the dynamics of the bleaching for different UV intensities and show that it is well fitted by a stretched exponential function, which indicates a site-dependent bleaching rate. We have also shown that the bleaching is anisotropic, confirming a model in which the defects having a dipole moment aligned with the UV light polarization are preferentially excited and bleached.

© 1993 Optical Society of America

Original Manuscript: January 11, 1993
Published: June 1, 1993

Michel Poirier, Simon Thibault, Jocelyn Lauzon, and Francois Ouellette, "Dynamic and orientational behavior of UV-induced luminescence bleaching in Ge-doped silica optical fiber," Opt. Lett. 18, 870-872 (1993)

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