Abstract
In this work, a thin-film consisting of 15 bilayers (estimated thickness: 210 nm) of titanium (IV) oxide and poly(sodium 4-styrenesulfonate) is simultaneously deposited onto two optical fiber structures: a single-mode—multimode—single-mode (SMS) device and a lossy mode resonance (LMR)-based device. The performance of both structures, as refractometers and relative humidity sensors, is studied and compared. In both cases, the sensitivity of the LMR-based device (955 nm/RIU and 3.54 nm/RH %, respectively) highly improves the one of the SMS (142 nm/RIU and 0.3 nm/RH %). These facts can be taken into account when developing sensors based on either SMS or LMR technologies.
| Original language | English |
|---|---|
| Pages (from-to) | 1633-1638 |
| Number of pages | 6 |
| Journal | Microsystem Technologies |
| Volume | 22 |
| Issue number | 7 |
| Early online date | 31 Dec 2015 |
| DOIs | |
| Publication status | Published - Jul 2016 |
Keywords
- Wavelength Shift
- Refractive Index Change
- Evanescent Field
- Electronic Sensor
- Resonant Phenomenon
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