| Title: | A high sensitivity and wide dynamic range fiber-optic sensor for low-concentration VOC gas detection |
| Address: | "School of Electronics Engineering, Kyungpook National University, 1370 Sankyuk-dong, Bukgu, Daegu 702-701, Korea. rajibur@ee.knu.ac.kr. School of Electronics Engineering, Kyungpook National University, 1370 Sankyuk-dong, Bukgu, Daegu 702-701, Korea. swkang@knu.ac.kr" |
| ISSN/ISBN: | 1424-8220 (Electronic) 1424-8220 (Linking) |
| Abstract: | "In this paper, we propose a volatile organic compound (VOC) gas sensing system with high sensitivity and a wide dynamic range that is based on the principle of the heterodyne frequency modulation method. According to this method, the time period of the sensing signal shift when Nile Red containing a VOC-sensitive membrane of a fiber-optic sensing element comes into contact with a VOC. This sensing membrane produces strong, fast and reversible signals when exposed to VOC gases. The response and recovery times of the proposed sensing system were less than 35 s, and good reproducibility and accuracy were obtained" |
| Keywords: | Equipment Design Equipment Failure Analysis Fiber Optic Technology/*instrumentation Gases/*analysis/chemistry Microchemistry/*instrumentation Refractometry/*instrumentation Reproducibility of Results Sensitivity and Specificity Volatile Organic Compounds/; |
| Notes: | "MedlineKhan, Md Rajibur Rahaman Kang, Shin-Won eng Research Support, Non-U.S. Gov't Switzerland 2014/12/10 Sensors (Basel). 2014 Dec 5; 14(12):23321-36. doi: 10.3390/s141223321" |
