JOURNAL OF LUMINESCENCE

George F Imbusch

JOURNAL OF LUMINESCENCE

George F Imbusch

Physics

Research output: Chapter in Book or Conference Publication/Proceeding › Conference Publication › peer-review

Abstract

For Cr3+ ions in crystalline hosts, in which the 4T2 level is at a lower energy than 2E, the variation in tau, the observed lifetime, should provide a measure of the variation in quantum efficiency. This is not the case for Cr3+ ions in glass; in glass the quantum efficiency falls with increasing temperature much more rapidly than the average lifetimes [tau]. We show that this is caused by the occurrence in glass of Cr3+ ions with distinctly different non-radiative rates. We investigate this effect to see if it can provide information about the distribution of non-radiative rates among the Cr3+ ions.

Original language	English (Ireland)
Title of host publication	THE RELATIONSHIP BETWEEN QUANTUM EFFICIENCY AND AVERAGE LIFETIME OF CR3+ IONS IN GLASS
Number of pages	4
Volume	58
Publication status	Published - 1 Jan 1994

Authors (Note for portal: view the doc link for the full list of authors)

Authors
FERNANDEZ, J,BALDA, R,ILLARRAMENDI, MA,IMBUSCH, GF

Cite this

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title = "JOURNAL OF LUMINESCENCE",

abstract = "For Cr3+ ions in crystalline hosts, in which the 4T2 level is at a lower energy than 2E, the variation in tau, the observed lifetime, should provide a measure of the variation in quantum efficiency. This is not the case for Cr3+ ions in glass; in glass the quantum efficiency falls with increasing temperature much more rapidly than the average lifetimes [tau]. We show that this is caused by the occurrence in glass of Cr3+ ions with distinctly different non-radiative rates. We investigate this effect to see if it can provide information about the distribution of non-radiative rates among the Cr3+ ions.",

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year = "1994",

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language = "English (Ireland)",

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booktitle = "THE RELATIONSHIP BETWEEN QUANTUM EFFICIENCY AND AVERAGE LIFETIME OF CR3+ IONS IN GLASS",

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N2 - For Cr3+ ions in crystalline hosts, in which the 4T2 level is at a lower energy than 2E, the variation in tau, the observed lifetime, should provide a measure of the variation in quantum efficiency. This is not the case for Cr3+ ions in glass; in glass the quantum efficiency falls with increasing temperature much more rapidly than the average lifetimes [tau]. We show that this is caused by the occurrence in glass of Cr3+ ions with distinctly different non-radiative rates. We investigate this effect to see if it can provide information about the distribution of non-radiative rates among the Cr3+ ions.

AB - For Cr3+ ions in crystalline hosts, in which the 4T2 level is at a lower energy than 2E, the variation in tau, the observed lifetime, should provide a measure of the variation in quantum efficiency. This is not the case for Cr3+ ions in glass; in glass the quantum efficiency falls with increasing temperature much more rapidly than the average lifetimes [tau]. We show that this is caused by the occurrence in glass of Cr3+ ions with distinctly different non-radiative rates. We investigate this effect to see if it can provide information about the distribution of non-radiative rates among the Cr3+ ions.

M3 - Conference Publication

VL - 58

BT - THE RELATIONSHIP BETWEEN QUANTUM EFFICIENCY AND AVERAGE LIFETIME OF CR3+ IONS IN GLASS

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