Waveguide luminescence and Raman spectroscopy: Characterization of an inhomogeneous film at different depths

被引：12

作者：

Ferrari, M ^{[1
]}

Montagna, M

Ronchin, S

Rossi, F

Righini, GC

机构：

[1] CNR, CeFSA, Ctr Fis Aggregati, I-38050 Trent, Italy

[2] Univ Trent, Dipartimento Fis, I-38050 Trent, Italy

[3] Univ Trent, INFM, I-38050 Trent, Italy

[4] CNR, IROE, Dipartimento Optoelettron & Foton, I-50127 Florence, Italy

来源：

APPLIED PHYSICS LETTERS | 1999年 / 75卷 / 11期

关键词：

D O I：

10.1063/1.124745

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In graded-index planar optical waveguides, different guided modes propagate in layers with different thickness. By comparison of spectra (Raman, luminescence) taken by waveguide excitation in different modes, it is possible to characterize the guide at different depths. The method has been applied to waveguides obtained by ion exchange of silver in a soda-lime substrate. Luminescence from silver ions and Raman scattering from the optical vibrations of the glass and from the acoustic vibrations of silver nanoclusters depend on the silver concentration, providing different spectra for excitation in different modes of the guide. (C) 1999 American Institute of Physics. [S0003-6951(99)01437-0].

引用

页码：1529 / 1531

页数：3

共 17 条

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