Compact water depth sensor with LPFG using the photoelastic effect and heat-shrinkable tube

Shinya Takama; Takamasa Kudomi; Masaharu Ohashi; Yuji Miyoshi

doi:10.1117/12.904346

29 November 2011 Compact water depth sensor with LPFG using the photoelastic effect and heat-shrinkable tube

Shinya Takama, Takamasa Kudomi, Masaharu Ohashi, Yuji Miyoshi

Proceedings Volume 8307, Passive Components and Fiber-Based Devices VIII; 83070P (2011) https://doi.org/10.1117/12.904346
Event: SPIE/OSA/IEEE Asia Communications and Photonics, 2011, Shanghai, China

Abstract

We propose a compact water depth sensor with a long period fiber grating (LPFG) using a heat-shrinkable tube. The pressure property of the LPFG is investigated experimentally to confirm the feasibility of the water depth sensor. Moreover, the water depth in the 2m long water-filled pipe is successfully estimated by the proposed water sensors.

Citation Download Citation

Shinya Takama, Takamasa Kudomi, Masaharu Ohashi, and Yuji Miyoshi "Compact water depth sensor with LPFG using the photoelastic effect and heat-shrinkable tube", Proc. SPIE 8307, Passive Components and Fiber-Based Devices VIII, 83070P (29 November 2011); https://doi.org/10.1117/12.904346

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