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Proceedings Paper

Real-time optical fiber sensing of phytoplankton for studies in size distribution, concentration, and biomass
Author(s): Robert Kai-Yiu Chan; Ce Chen; S. K. Cheng
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Paper Abstract

An optical fiber laser-doppler system has ben developed to detect both the laser-induced- fluorescence (LIF) signal and the laser doppler signal of phytoplankton traversing through a measurement volume. From the two measurement, the size distribution, concentration, biomass, and the amount of chlorophyll present can be determined. Our apparatus have demonstrated successfully that it can resolve distinctly the size distribution of two species of phytoplankton (Chlorella and Scenedesmus). For phytoplankton, these two species do not have mark differences in size, one being less than 10 micrometers while the other is approximately 25 micrometers , and yet our measurement gave very satisfactory results. The result obtained clearly indicates that our optical system can produce accurate and liable size measurement and is suitable to be further develop into a practical in situ field instrument.

Paper Details

Date Published: 29 September 1995
PDF: 9 pages
Proc. SPIE 2508, Chemical, Biochemical, and Environmental Fiber Sensors VII, (29 September 1995); doi: 10.1117/12.221757
Show Author Affiliations
Robert Kai-Yiu Chan, Hong Kong Baptist Univ. (Hong Kong)
Ce Chen, Hong Kong Baptist Univ. (Hong Kong)
S. K. Cheng, Hong Kong Baptist Univ. (Hong Kong)


Published in SPIE Proceedings Vol. 2508:
Chemical, Biochemical, and Environmental Fiber Sensors VII
Annamaria V. Scheggi, Editor(s)

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