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Proceedings Paper

DNA based thin solid films and its application to optical fiber temperature sensor
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Paper Abstract

Temperature dependent refractive index of DNA-cetyltrimethylammonium chloride (CTMA) thin-solid-film was measured 20 to 90℃ to obtain its thermo-optic coefficient of -3.6×10-4 (dn/dT). DNA- CTMA film has high thermosoptic coefficient than other polymers. The film was deposited on coreless silica fiber (CSF) to serve as a multimode interferometer optical fiber temperature sensor. It is immersed in a water that changed temperature from 40 to 90℃. It has sensitivity of 0.25nm/℃.

Paper Details

Date Published: 23 April 2017
PDF: 4 pages
Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 1032355 (23 April 2017); doi: 10.1117/12.2267456
Show Author Affiliations
Seongjin Hong, Yonsei Univ. (Korea, Republic of)
Woohyun Jung, Yonsei Univ. (Korea, Republic of)
Taeoh Kim, Yonsei Univ. (Korea, Republic of)
Kyunghwan Oh, Yonsei Univ. (Korea, Republic of)


Published in SPIE Proceedings Vol. 10323:
25th International Conference on Optical Fiber Sensors
Youngjoo Chung; Wei Jin; Byoungho Lee; John Canning; Kentaro Nakamura; Libo Yuan, Editor(s)

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