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Photoinduced refractive-index changes in germanosilicate fibres

Hand, D.P. and Russell, P.St.J. (1990) Photoinduced refractive-index changes in germanosilicate fibres Optics Letters, 15, (2), pp. 102-104. (doi:10.1364/OL.15.000102).

Record type: Article

Abstract

Photoinduced guided index changes approaching in the range 488-784 nm, measured using a simple interferometric technique, are reported in germanosilicate single-mode optical fibers exposed to the 488-nm line of an Ar+ laser running multifrequency. The wavelength dependence and dynamics of the writing process are characterized, and the material dispersion of the induced Deltan(lambda) is shown to be weak. The effect is placed in the context of related research on color centers in these fibers, and two different mechanisms are proposed that lead to quantitative estimates in rough agreement with the measured Deltan values.

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Published date: 1990

Identifiers

Local EPrints ID: 78424
URI: http://eprints.soton.ac.uk/id/eprint/78424
ISSN: 0146-9592
PURE UUID: 53ad150b-b71c-4f88-b0be-e14abf7ec0c1

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:24

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Contributors

Author: D.P. Hand
Author: P.St.J. Russell

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