Photoluminescence of LiF crystal colored by a focused electron beam

Photoluminescence of LiF crystal colored by a focused electron beam

The absorption, emission and excitation optical spectra of F 2 and F + 3 color centers generated in LiF through low energy (30 keV) electron beam irradiation were measured at room temperature by pumping with an Ar + laser the resulting thin colored layer. A quenching of the emission intensity of the...

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Veröffentlicht in:Optics communications 1992-11, Vol.94 (1), p.139-142
Hauptverfasser: Baldacchini, G., Cremona, M., Montereali, R.M., Scavarda do Carmo, L.C., Nunes, R.A., Paciornik, S., Somma, F., Kalinov, V.
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Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Physics
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container_end_page 142
container_issue 1
container_start_page 139
container_title Optics communications
container_volume 94
creator Baldacchini, G.
Cremona, M.
Montereali, R.M.
Scavarda do Carmo, L.C.
Nunes, R.A.
Paciornik, S.
Somma, F.
Kalinov, V.
description The absorption, emission and excitation optical spectra of F 2 and F + 3 color centers generated in LiF through low energy (30 keV) electron beam irradiation were measured at room temperature by pumping with an Ar + laser the resulting thin colored layer. A quenching of the emission intensity of the F + 3 centers versus the pump power was observed, with characteristics similar to bulk colored crystals. The analysis of the photoemission spectra showed a new band, which has been discovered previously also in bulk crystals colored and treated in different ways. The possibility of applications of the colored ribbon for miniaturized laser devices is commented.
doi_str_mv 10.1016/0030-4018(92)90422-N
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source ScienceDirect Journals (5 years ago - present)
subjects Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Physics
title Photoluminescence of LiF crystal colored by a focused electron beam
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