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Further studies of radiation trapping in Er3+ doped chalcogenide glasses

Further studies of radiation trapping in Er3+ doped chalcogenide glasses
Further studies of radiation trapping in Er3+ doped chalcogenide glasses
Strong overlap of emission and absorption spectra of Er3+ doped glasses gives rise to effect of radiation trapping (RT) where the quanta are emitted, absorbed and re-emitted many times before leaving the volume of the material. We investigate the steady-state and transient PL of Er3+ ions embedded in gallium lanthanum sulphide-oxide glasses with partial substitution of sulfur by oxygen. We develop a technique for direct observation of RT and we show that RT combined with internal reflections leads to uniform spatial distributions of radiation and excited Er3+ ions inside of glass sample.
157-163
Koughia, Cyril
5e08988b-868a-4611-bbd1-69cba1fa869b
Craig, Chris
2328b42b-552e-4a82-941d-45449e952f10
Hewak, Daniel
87c80070-c101-4f7a-914f-4cc3131e3db0
Kasap, Safa
79213b1c-6188-4d7c-bd6f-f89bb6d20df8
Koughia, Cyril
5e08988b-868a-4611-bbd1-69cba1fa869b
Craig, Chris
2328b42b-552e-4a82-941d-45449e952f10
Hewak, Daniel
87c80070-c101-4f7a-914f-4cc3131e3db0
Kasap, Safa
79213b1c-6188-4d7c-bd6f-f89bb6d20df8

Koughia, Cyril, Craig, Chris, Hewak, Daniel and Kasap, Safa (2018) Further studies of radiation trapping in Er3+ doped chalcogenide glasses. Optical Materials, 87, 157-163. (doi:10.1016/j.optmat.2018.02.059).

Record type: Article

Abstract

Strong overlap of emission and absorption spectra of Er3+ doped glasses gives rise to effect of radiation trapping (RT) where the quanta are emitted, absorbed and re-emitted many times before leaving the volume of the material. We investigate the steady-state and transient PL of Er3+ ions embedded in gallium lanthanum sulphide-oxide glasses with partial substitution of sulfur by oxygen. We develop a technique for direct observation of RT and we show that RT combined with internal reflections leads to uniform spatial distributions of radiation and excited Er3+ ions inside of glass sample.

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Accepted/In Press date: 28 February 2018
e-pub ahead of print date: 13 March 2018
Additional Information: Author has provided AM on publisher template.

Identifiers

Local EPrints ID: 419962
URI: http://eprints.soton.ac.uk/id/eprint/419962
PURE UUID: e980f886-aff8-4314-b221-ecdb0c7df93f
ORCID for Chris Craig: ORCID iD orcid.org/0000-0001-6919-4294
ORCID for Daniel Hewak: ORCID iD orcid.org/0000-0002-2093-5773

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Date deposited: 24 Apr 2018 16:30
Last modified: 15 Sep 2021 04:55

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