28 October 2014 Plastic optical fiber level measurement sensor based on side holes
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Abstract
Plastic optical fiber level measurement sensor based on in-line side holes is investigated theoretically and experimentally. The sensor consists of a plastic optical fiber with in-line side holes spaced about 5 cm apart. The 0.9 diameter in-line side holes were fabricated by micro-drilling. An analytical expression of the sensor transmittance was obtained using a simple ray optics approach. The measurements of the sensor transmittance were performed with a 55 cm height Mass cylinder. Both results show that the sensor transmittance increases as the number of side holes filled with water increases. The research results indicate that the plastic optical fiber based on in-line side holes can be used for water level measurement.
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Young June Park, Young June Park, Jong-Dug Shin, Jong-Dug Shin, Jaehee Park, Jaehee Park, "Plastic optical fiber level measurement sensor based on side holes", Proc. SPIE 9241, Sensors, Systems, and Next-Generation Satellites XVIII, 924123 (28 October 2014); doi: 10.1117/12.2067120; https://doi.org/10.1117/12.2067120
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