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 At SPIE International Symposium on Optical Science Engineering and Instrumentation, United States.

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Description/Abstract

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
Venue - Dates: SPIE International Symposium on Optical Science Engineering and Instrumentation, United States, 1996-01-01
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ePrint ID: 76846
Date :
Date Event
1996e-pub ahead of print
Date Deposited: 11 Mar 2010
Last Modified: 18 Apr 2017 20:36
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/76846

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