A dissolved oxygen sensor based on ruthenium fluorescence and u-shaped plastic optical fiber

Fenghong Chu; Haiwen Cai; Ronghui Qu; Zujie Fang

doi:10.1117/12.743249

21 November 2007 A dissolved oxygen sensor based on ruthenium fluorescence and u-shaped plastic optical fiber

Fenghong Chu, Haiwen Cai, Ronghui Qu, Zujie Fang

Proceedings Volume 6781, Passive Components and Fiber-based Devices IV; 678108 (2007) https://doi.org/10.1117/12.743249
Event: Asia-Pacific Optical Communications, 2007, Wuhan, China

Abstract

A dissolved oxygen sensor based on ruthenium(Ru) fluorescence and U-shape plastic optical fiber (POF) was described. Dichlorotris (1, 10-phenanthroline) ruthenium (II) was used as an oxygen indicator, which was coated on to the surface of a 1mm diameter U-shaped POF. Phase modulation technique is used to measure fluorescence lifetime. The phase difference between 100% and 0% dissolved oxygen is 1.78 degree. By using the nonlinear assumption, we also calculate that the there are only 20% thickness of the sensor material is affected by DO.

Citation Download Citation

Fenghong Chu, Haiwen Cai, Ronghui Qu, and Zujie Fang "A dissolved oxygen sensor based on ruthenium fluorescence and u-shaped plastic optical fiber", Proc. SPIE 6781, Passive Components and Fiber-based Devices IV, 678108 (21 November 2007); https://doi.org/10.1117/12.743249

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