| Numéro |
J. Phys. Colloques
Volume 48, Numéro C7, Décembre 1987
1st International Laser M2P Conference
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|---|---|---|
| Page(s) | C7-513 - C7-515 | |
| DOI | https://doi.org/10.1051/jphyscol:19877122 | |
1st International Laser M2P Conference
J. Phys. Colloques 48 (1987) C7-513-C7-515
DOI: 10.1051/jphyscol:19877122
1 CNRS-UA 442, Université Claude Bernard Lyon I, F-69622 Villeurbanne Cedex, France
2 Physics Department, Oklahoma State University, Stillwater, OK 74074-0444, U.S.A.
J. Phys. Colloques 48 (1987) C7-513-C7-515
DOI: 10.1051/jphyscol:19877122
LASER INDUCED REFRACTIVE INDEX GRATINGS IN EU3+ GLASSES
F. DURVILLE1, E. BEHRENS2 and R. POWELL21 CNRS-UA 442, Université Claude Bernard Lyon I, F-69622 Villeurbanne Cedex, France
2 Physics Department, Oklahoma State University, Stillwater, OK 74074-0444, U.S.A.
Abstract
Four wave mixing techniques are used to induce refractive-index gratings in Eu-doped glasses. When the Eu3+ ions are resonantly excited, superimposed transient and permanent gratings are formed. The former is characteristic of population grating, while the latter is attributed to local structural modifications of the glass host induced by high energy "phonons" localized around the Eu3+ ions. The result suggest the use of such gratings for de-multiplexing applications.