## Abstract In this article, a simple intensity‐modulated fiber optic sensor for liquid level measurement is presented. The sensor principle is based on frustrated total internal reflection effect caused by refractive index change of a medium surrounding an optical fiber. The end face of a step‐ind
All-plastic optical-fiber level sensor
✍ Scribed by M. Bottacini; N. Burani; M. Foroni; F. Poli; S. Selleri
- Publisher
- John Wiley and Sons
- Year
- 2005
- Tongue
- English
- Weight
- 155 KB
- Volume
- 46
- Category
- Article
- ISSN
- 0895-2477
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✦ Synopsis
An all-plastic optical-fiber level sensor for point measurement has been developed. The device detects the presence of various liquids by measuring the intensity variation of a green-light signal, back-reflected by a special tip-shaped fiber probe. The experimental setup is described in detail and some results and test measurements are discussed.
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