Photon avalanche upconversion in heavily thulium-doped ZBLAN fibre

Jacquier, B., Guy, S., Joubert, M.F., Shepherd, D.P. and Poignant, H. (1996) Photon avalanche upconversion in heavily thulium-doped ZBLAN fibre. In, SPIE International Symposium on Optical Science Engineering and Instrumentation, Denver, US,


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Photon avalanche mechanism results from a cross relaxation energy transfer induced build up of population in an intermediate metastable level without resonant Ground State Absorption (GSA). From this level a resonant absorption occurs to populate a higher level The main characteristics of such process is a power threshold which corresponds to a sudden increase of the fluorescence arising from the upper excited state as well as a slowing and a change of the rise shape of the transient signals.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Paper 2841-29
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Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions : University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 76846
Accepted Date and Publication Date:
1996Made publicly available
Date Deposited: 11 Mar 2010
Last Modified: 15 Oct 2016 22:05

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