Abstract

By measuring the photosensitivity of Ge-doped silica fibers over the 3.4–5.4-eV spectral range and from T=95 K to T=375 K, we demonstrate that different physical mechanisms take place depending on whether H2 is present. Without H2 the principal photosensitivity pathway involves excitation of a germanium oxygen-deficient center to its triplet state. In H2-loaded fibers the UV light excites the regular Ge—O bond, which then reacts with H2 to produce Si—OH or Ge—OH and a GeE center.

© 1999 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Ultraviolet-initiated reactions of H2 with germanosilicate fibers and H2 concentration dependence of the Bragg wavelength of a fiber grating

L. B. Fu, G. Tan, W. J. Xu, H. L. An, X. M. Cui, X. Z. Lin, and H. D. Liu
Opt. Lett. 25(8) 527-529 (2000)

Ultraviolet-enhanced photosensitivity in cerium-doped aluminosilicate fibers and glasses through high-pressure hydrogen loading

T. Taunay, P. Bernage, M. Douay, W. X. Xié, G. Martinelli, P. Niay, J. F. Bayon, E. Delevaque, and H. Poignant
J. Opt. Soc. Am. B 14(4) 912-925 (1997)

Ultraviolet-induced paramagnetic centers and absorption changes in singlemode Ge-doped optical fibers

Kader Médjahdi, Aziz Boukenter, Youcef Ouerdane, Fabrizio Messina, and Marco Cannas
Opt. Express 14(13) 5885-5894 (2006)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (3)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Equations (5)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription