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Proceedings Paper

Sensing property of thin film optical waveguide sensor based on PVC copolymer
Author(s): Kyungho Kim; Haruyuki Minamitani; Kunihiro Matsumoto; Shin-Won Kang
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Paper Abstract

In this report, an active PVC thin film waveguide sensor which can select a specific ion and measure its concentrations is proposed. In order to investigate the applicability of this sensor, we measured calcium ion. The waveguide layer was fabricated with plasticized poly (vinyl chloride) (PVC) co-polymer matrix containing a neutral ionophore for calcium dioctyl phthalate, and chromoionophore, which plays important roles both in incident light propagation and in selective ion sensing. For this purpose, we applied the sensor to the sample solution whose CaCl2 was gradually altered. In this study, we found that this thin film waveguide possessed good light propagation. In addition, it showed enough chemical reaction to Ca2+ to select Ca2+ and to measure its concentration. These findings suggested that the proposed active PVC optical thin film waveguide sensor was very effective in selecting Ca2+ and measuring its concentration. Also, it will be expected that this sensor is applicable to various ions other than Ca2+.

Paper Details

Date Published: 12 January 1998
PDF: 9 pages
Proc. SPIE 3278, Integrated Optic Devices II, (12 January 1998); doi: 10.1117/12.298202
Show Author Affiliations
Kyungho Kim, Keio Univ. (Japan)
Haruyuki Minamitani, Keio Univ. (Japan)
Kunihiro Matsumoto, Keio Univ. (Japan)
Shin-Won Kang, Kyungpook National Univ. (South Korea)

Published in SPIE Proceedings Vol. 3278:
Integrated Optic Devices II
Giancarlo C. Righini; S. Iraj Najafi; Bahram Jalali, Editor(s)

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