Abstract
A temperature-independent displacement sensor is demonstrated using a chirped fiber grating and a specially designed cantilever. The 3-dB bandwidth of the chirped grating changes linearly with displacement and is independent to the temperature. Linear displacement response of 37.063mV/mm was obtained. By measuring the reflected light from the chirp grating, the displacement can be monitored directly. The sensor has potentially low cost due to its simple structure.
| Original language | English |
|---|---|
| Article number | 169 |
| Pages (from-to) | 691-694 |
| Number of pages | 4 |
| Journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 5855 PART II |
| DOIs | |
| Publication status | Published - 13 Dec 2005 |
| Externally published | Yes |
| Event | 17th International Conference on Optical Fibre Sensors, OFS-17 - Bruges, Belgium Duration: 23 May 2005 → 27 May 2005 |
Keywords
- Chirped fiber gratings
- Fiber optic sensors
- Temperature-independent
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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