Optical fiber transducers using Fabry-Perot resonators
✍ Scribed by F. Maystre; R. Dändliker
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 321 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0924-4247
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A new design of a ¨ortex-shedding flowmeter with a ( ) fiber-optic Fabry᎐Perot interferometer FFPI as the sensing element is described here to measure the liquid flow ¨elocity in a pipe. The flow ¨elocity is determined by measuring the frequency at which the reflected optical power from the FFPI is
## Abstract A novel optical fiber Fabry‐Perot filter (FFPF) based on two microlenses is proposed and demonstrated. The microlens is produced by forming a droplet with UV‐curing adhesive on the mirror of the filter. An FFPF with a finesse of 65 was obtained in the experiment. The advantages of the h