期刊
OPTICS LETTERS
卷 43, 期 14, 页码 3409-3412出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.43.003409
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资金
- National Natural Science Foundation of China (NSFC) [61575128, 61425007, 61635007]
- Natural Science Foundation of Guangdong Province [2015A030313541, 2015B010105007, 2014A030308007]
- Science and Technology Innovation Commission of Shenzhen [KQJSCX20170727101953680, JCYJ20160520163134575, JCYJ20160523113602609, JCYJ20160307143501276]
- Development and Reform Commission of Shenzhen Municipality Foundation
We demonstrate the microprinting of a novel suspended polymer fiber Bragg grating for high-sensitivity temperature measurements. The proposed sensor was developed using a femtosecond laser-induced multiphoton polymerization technique. The grating was cured in a single-groove silica tube spliced between two single-mode fibers. Its transmission spectrum, mode field, and temperature response were thoroughly investigated. A sensitivity of -220 pm/degrees C was achieved over a temperature range of 24 degrees C to 40 degrees C, which is meaningful in biosensing applications. This all-in-fiber polymer Bragg grating exhibits high temperature sensitivity, excellent mechanical strength, and ultrahigh integration. As such, a temperature sensing element of this type would be a beneficial tool for biological measurements. (C) 2018 Optical Society of America
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