Ratiometric sensor for dissolved oxygen in seawater

Xavier Poteau; Brian D. MacCraith

doi:10.1117/12.464211

27 August 2003 Ratiometric sensor for dissolved oxygen in seawater

Xavier Poteau, Brian D. MacCraith

Proceedings Volume 4876, Opto-Ireland 2002: Optics and Photonics Technologies and Applications; (2003) https://doi.org/10.1117/12.464211
Event: OPTO Ireland, 2002, Galway, Ireland

Abstract

A dissolved oxygen sensor for marine application is reported which is based on a ratiometric approach to the fluorescence intensity quenching of the ruthenium dye [Ru(II)-tris(4, 7-diphenyl-1, 10-phenanthroline)]²⁺. Both the ruthenium complex and the coumarin derivative dye have been entrapped in a porous sol-gel film. The membrane shows good optical response on exposure to low levels of dissolved oxygen in seawater. The design and limitations of such an optode membrane are discussed.

Citation Download Citation

Xavier Poteau and Brian D. MacCraith "Ratiometric sensor for dissolved oxygen in seawater", Proc. SPIE 4876, Opto-Ireland 2002: Optics and Photonics Technologies and Applications, (27 August 2003); https://doi.org/10.1117/12.464211

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