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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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.
|Subjects:||Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
|Divisions:||University Structure - Pre August 2011 > Optoelectronics Research Centre
|Date Deposited:||11 Mar 2010|
|Last Modified:||27 Mar 2014 18:58|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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