Abstract
The paper presents the theoretical and experimental results involving the influence of refractive index profile on the interaction of modes with the absorption sensitive film. The attenuation distribution of modes in planar waveguides with absorption cover depends on the shape of refractive index profile. In particular, the character of this distribution depends on the location of turning points of particular modes. In the structures with gradient refractive index profiles, the dependence of modes attenuation on their order can be a non-monotonic function.
| Original language | English |
|---|---|
| Article number | 32 |
| Pages (from-to) | 181-185 |
| Number of pages | 5 |
| Journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 5576 |
| DOIs | |
| Publication status | Published - 2004 |
| Event | Lightguides and their Applications II, TAL 2003 - Krasnobrod, Poland Duration: 9 Oct 2003 → 11 Oct 2003 |
Keywords
- Evanescent wave spectroscopy
- Ion exchange
- Modal attenuation
- Optical planar sensor
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Computer Science Applications
- Applied Mathematics
- Electrical and Electronic Engineering
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