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http://dx.doi.org/10.3807/KJOP.2005.16.3.191

Fabrication and Characteristics of the Fiber Device Based on Long-period Fiber Gratings at the Locations Under Applied Pressure  

Lee, Nam-Kwon (School of Electrical Engineering and Computer Science, Kyungpook National University)
Song, Jae-Won (School of Electrical Engineering and Computer Science, Kyungpook National University)
Park, Jae-Hee (Department of Electronics Engineering, Keimyung University)
Publication Information
Korean Journal of Optics and Photonics / v.16, no.3, 2005 , pp. 191-195 More about this Journal
Abstract
An optical fiber device is fabricated that is formed LPFGs only where pressure is applied, and the characteristics of the device are investigated. The fabricated device is composed of a 60cm-long metallic rod, with long period gratings of $720\;{\mu}m$ on the upper side and a rubber cover. In this device, gratings are only formed when pressure was applied to a spot, to which pressure was applied, and the formed gratings had the same transmission property regardless of spot, to which pressure was applied. We measured the optical transmission property of the fabricated device and found its usability as an optical fiber load sensor to measure weight.
Keywords
Long period grating; Load sensor;
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