Journal
OPTICS EXPRESS
Volume 25, Issue 9, Pages 9823-9833Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.25.009823
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Funding
- National Natural Science Foundation of China (NSFC) [61505069, 61675092, 61405075, 61475066, 61177075, 61275046]
- National Major Project of China [22104001, 22117001]
- Natural Science Foundation of Guangdong Province [2016A030310098, 2016A030313079, 2014A030313377, 2014A030310205, 2015A030313320, 2013B090600045]
- Guangdong Natural Science Funds for Distinguish Young Scholar [2015A030306046]
- Planned Science & Technology Project of Guangzhou [201607010134, 201605131216303, 201506010046]
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In this paper, a side-polished fiber (SPF) coated with molybdenum diselenide (MoSe2) is proposed, and its characteristic of relative humidity (RH) sensing is investigated. It is found in the experiment that an enhancement in RH sensitivity (0.321 dB/%RH) can be achieved in a very wide RH range of 32%RH to 73%RH for the proposed MoSe2 coated SPF (MoSe2CSPF). It is also shown that the MoSe2CSPF has a rapid response of 1s and recovery time of 4s, which makes the sensor capable of monitoring human breath. The experimental results suggest MoSe2 has a promising potential in photonics applications such as all-fiber optic humidity sensing networks. (C) 2017 Optical Society of America
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