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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 19, Iss. 12 — Jun. 15, 1994
  • pp: 874–876

Photodarkening in Tb3+-doped phosphosilicate and germanosilicate optical fibers

G. R. Atkins and A. L. G. Carter  »View Author Affiliations


Optics Letters, Vol. 19, Issue 12, pp. 874-876 (1994)
http://dx.doi.org/10.1364/OL.19.000874


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Abstract

The presence of Tb3+ is found to sensitize greatly phosphosilicate and germanosilicate optical fibers to photodarkening when they are exposed to 488-nm light. The darkening is a three-photon process and may involve the photoionization of Tb3+ to Tb4+. This sensitivity raises the possibility of side writing refractive-index gratings into silica-based optical fibers with 488-nm light.

© 1994 Optical Society of America

History
Original Manuscript: October 4, 1993
Published: June 15, 1994

Citation
G. R. Atkins and A. L. G. Carter, "Photodarkening in Tb3+-doped phosphosilicate and germanosilicate optical fibers," Opt. Lett. 19, 874-876 (1994)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-19-12-874

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