Evidence of microscopic-scale modifications in optical glasses supporting second harmonic generation
Evidence of microscopic-scale modifications in optical glasses supporting second harmonic generation
We explore the extent of changes in dynamic correlations of vitreous SiO2 induced by treatments required to enable frequency doubling of infrared light (poling) by means of inelastic neutron scattering. These appear as an excess of modes in certain regions of the frequency spectrum as well as a narrowing of the 100 meV peak. Such alterations are better ascribed to a change in ordering of the material than to the emergence of "defect" modes, absent in the native sample.
257-262
Cabrillo, C.
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Cuello, G.J.
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García-Fernández, P.
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Bermejo, F.J.
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Pruneri, V.
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Samoggia, F.
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Kazansky, P.G.
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9 November 1998
Cabrillo, C.
011502de-1453-46f1-85fd-4119841309d7
Cuello, G.J.
afebbf48-957d-402d-a825-4af6179cb171
García-Fernández, P.
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Bermejo, F.J.
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Pruneri, V.
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Samoggia, F.
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Kazansky, P.G.
a5d123ec-8ea8-408c-8963-4a6d921fd76c
Cabrillo, C., Cuello, G.J., García-Fernández, P., Bermejo, F.J., Pruneri, V., Samoggia, F. and Kazansky, P.G.
(1998)
Evidence of microscopic-scale modifications in optical glasses supporting second harmonic generation.
Physics Letters A, 248 (2-4), .
(doi:10.1016/S0375-9601(98)00669-0).
Abstract
We explore the extent of changes in dynamic correlations of vitreous SiO2 induced by treatments required to enable frequency doubling of infrared light (poling) by means of inelastic neutron scattering. These appear as an excess of modes in certain regions of the frequency spectrum as well as a narrowing of the 100 meV peak. Such alterations are better ascribed to a change in ordering of the material than to the emergence of "defect" modes, absent in the native sample.
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1738
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Published date: 9 November 1998
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Local EPrints ID: 77838
URI: http://eprints.soton.ac.uk/id/eprint/77838
ISSN: 0375-9601
PURE UUID: 8d19a636-9740-4517-a7b3-0c1d442e24ef
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Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 00:00
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Author:
C. Cabrillo
Author:
G.J. Cuello
Author:
P. García-Fernández
Author:
F.J. Bermejo
Author:
V. Pruneri
Author:
F. Samoggia
Author:
P.G. Kazansky
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