Evanescent-wave spectroscopic fiber optic pH sensor
β Scribed by C. Egami; K. Takeda; M. Isai; M. Ogita
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 475 KB
- Volume
- 122
- Category
- Article
- ISSN
- 0030-4018
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π SIMILAR VOLUMES
## Abstract A fiber optic sensor with double pass evanescent field absorption from an unclad Uβbent multimode optical fiber is presented. One end of the fiber is polished to form an angledβtip, whereas the other end is flat polished. Evanescent field absorption in the bending region undergoes furth
An evaluation of the feasibility of a fiber-optic pH sensor has been carried out. The pH sensor is composed of an optode connected to the transmitter-receiver apparatus (Optolec H) through a 1OOm long fiber. Three diodes of carefully chosen wavelengths are located in the Opt&c H and emit through a b