DO-sensing based on enhancement of cladding fluorescence in dye-doped plastic fiber

Gargi Vishnoi; Masayuki Morisawa; Shinzo Muto

doi:10.1117/12.323481

25 September 1998 DO-sensing based on enhancement of cladding fluorescence in dye-doped plastic fiber

Gargi Vishnoi, Masayuki Morisawa, Shinzo Muto

Proceedings Volume 3417, Photopolymer Device Physics, Chemistry, and Applications IV; (1998) https://doi.org/10.1117/12.323481
Event: Lasers and Materials in Industry and Opto-Contact Workshop, 1998, Quebec, Canada

Abstract

A new technique for the optical sensing of dissolved oxygen (DO) is proposed here. It is based on the enhancement in fluorescence yield of TPP dye at (lambda) equals 656 nm, when excited by He-Cd blue laser of (lambda) equals 441 nm in the presence of dissolved oxygen. The sensor head was fabricated by cladding the ARTON fiber core with the poly-4-methyl-1- pentene polymer matrix suitably doped with Tetraphenylporphine dye. This sensor head, when placed in a test chamber and end-pumped by He-Cd laser, generates the intense fluorescence at 656 nm. Its intensity was noticed to increase with increasing the amount of DO. A theoretical model of the sensor response was designed and is also discussed.

Citation Download Citation

Gargi Vishnoi, Masayuki Morisawa, and Shinzo Muto "DO-sensing based on enhancement of cladding fluorescence in dye-doped plastic fiber", Proc. SPIE 3417, Photopolymer Device Physics, Chemistry, and Applications IV, (25 September 1998); https://doi.org/10.1117/12.323481

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