IR-induced photodarkening in Tm-doped fluoride fibres


Barber, P.R., Paschotta, R., Tropper, A.C. and Hanna, D.C. (1995) IR-induced photodarkening in Tm-doped fluoride fibres. Optics Letters, 20, (21), 2195-2197. (doi:10.1364/OL.20.002195).

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Description/Abstract

We have observed a new type of infrared-induced photodarkening in high-numerical-aperture fluoride fibers doped with 3000 and 10,000 parts in 10^6 by weight of Tm. The loss induced in the visible region by 1140-nm radiation is very strong (as high as 25 dB in a 50-cm piece) and broadband it can be removed by irradiation with the same pump wavelength at lower powers.

Item Type: Article
ISSNs: 0146-9592 (print)
Related URLs:
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 78381
Date Deposited: 11 Mar 2010
Last Modified: 27 Mar 2014 18:58
URI: http://eprints.soton.ac.uk/id/eprint/78381

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