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Waveguiding properties of pulsed-laser deposition Ca4GdO(BO3)3 thin films |
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| Authors: | A. Essahlaoui A. Boudrioua J. C. Loulergue R. Chety E. Millon J. Perriere |
| Affiliation: | a Laboratoire Matériaux Optiques, Photonique et Systèmes (MOPS), Université de Metz et Supélec, 2, rue E. Belin, 57070 Metz, France b Laboratoire de Spectrométrie de Masse et de Chimie Laser (LSMCL), Université de Metz, 1 bd Arago, Technopole Metz 2000, 57078 Metz Cedex, France c Groupe de Physique des Solides (GPS), UMR CNRS 7588, Universités de Paris VI et VII, 2 Pl. Jussieu, Tour 23, 75251 Paris Cedex 5, France |
| Abstract: | Waveguiding properties of stoichiometric Ca4GdO(BO3)3 (GdCOB) thin films deposited on quartz substrates by the pulsed-laser deposition (PLD) technique are reported. The optical properties and the anisotropy of the obtained thin films are investigated using the prism-coupling technique. Refractive indices (nx=1.666, ny=1.673 and nz=1.680 at 632.8 nm) were, respectively, determined from the transverse electric (TE) and the transverse magnetic (TM) mode excitations. These values are found to be 3% lower than those of the bulk material, which is likely due to the structural and morphological features of the deposited GdCOB films. |
| Keywords: | Optical waveguides GdCOB PLD |
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