Optically induced creation, transformation and organisation of defects and color centers in optical fibres


Russell, Phillip St.J., Hand, Duncan P., Chow, Yuk T. and Poyntz-Wright, L.J. (1991) Optically induced creation, transformation and organisation of defects and color centers in optical fibres. In, Ouellette, Francois (ed.) International Workshop on Photoinduced Self-Organization Effects in Optical Fiber. Bellingham, US, The International Society for Optical Engineering, 47-54. (Proceedings of SPIE, 1516). (doi:10.1117/12.51160).

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Description/Abstract

Over the past five years, a colour-centre model for the dynamics of the absorption induced in germanosilicate fibres upon exposure to blue/green light has been under development at Southampton. This model is introduced and its predictions used for the first time to test our proposed Kramers-Kronig mechanism for the concurrent refractive index changes induced in the visible and the infra-red. It is found that the predicted colour-centre population changes in the UV are to explain these refractive index changes. A possible alternative model, based on density changes in the glass triggered by colour-centre formation, is assessed experimentally and analytically. The implications of this result to photonically driven self-organisation in fibres is briefly assessed, and reference made to recent experimental results.

Item Type: Book Section
ISBNs: 9780819406439
Related URLs:
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: University Structure - Pre August 2011 > Optoelectronics Research Centre
Faculty of Physical Sciences and Engineering > Optoelectronics Research Centre
ePrint ID: 77408
Date Deposited: 11 Mar 2010
Last Modified: 27 Mar 2014 18:57
URI: http://eprints.soton.ac.uk/id/eprint/77408

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