Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education/GuangDong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China.
Shenzhen Key Laboratory of Photonic Devices and Sensing Systems for Internet of Things, Guangdong and Hong Kong Joint Research Centre for Optical Fibre Sensors, Shenzhen University, Shenzhen 518060, China.
Sensors (Basel). 2021 Dec 1;21(23):8049. doi: 10.3390/s21238049.
Optical humidity sensors have evolved through decades of research and development, constantly adapting to new demands and challenges. The continuous growth is supported by the emergence of a variety of optical fibers and functional materials, in addition to the adaptation of different sensing mechanisms and optical techniques. This review attempts to cover the majority of optical humidity sensors reported to date, highlight trends in design and performance, and discuss the challenges of different applications.
光学湿度传感器经过几十年的研究和发展不断演变,不断适应新的需求和挑战。除了不同传感机制和光学技术的适应性外,各种光纤和功能材料的出现也为其持续发展提供了支持。本综述试图涵盖迄今为止报道的大多数光学湿度传感器,突出设计和性能方面的趋势,并讨论不同应用的挑战。