Web-based refractive index monitoring system, employing LPG-FBG hybrid optical sensors

Osanori Koyama; Tsubasa Kanamori; Katsunori Kawanishi; Yutaka Katsuyama

doi:10.1117/12.974909

7 November 2012 Web-based refractive index monitoring system, employing LPG-FBG hybrid optical sensors

Osanori Koyama, Tsubasa Kanamori, Katsunori Kawanishi, Yutaka Katsuyama

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 8421B8 (2012) https://doi.org/10.1117/12.974909
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

A new approach to refractive index sensing for biological solutions has been investigated for a web-based monitoring system. The system was implemented such that the refractive index was monitored by an LPG-FBG hybrid sensor. The point was how the enhanced sensitivity range of LPG could be used. For the purpose, equations were newly derived, based on a nonlinear relationship between values of the refractive index and the resonant wavelength. The values calculated by the equations were in good agreement with experimental values monitored by the system, enabling the system to use the enhanced sensitivity range.

Citation Download Citation

Osanori Koyama, Tsubasa Kanamori, Katsunori Kawanishi, and Yutaka Katsuyama "Web-based refractive index monitoring system, employing LPG-FBG hybrid optical sensors", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 8421B8 (7 November 2012); https://doi.org/10.1117/12.974909

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