期刊
MICROMACHINES
卷 9, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/mi9110541
关键词
photonic crystal cavity; photonic crystal nanobeam cavity; optical sensor; refractive index sensor; nanoparticle sensor; optomechanical sensor; temperature sensor
类别
资金
- National Research Foundation (NRF) [NRF-CRP15-2015-02]
In recent years, there has been growing interest in optical sensors based on microcavities due to their advantages of size reduction and enhanced sensing capability. In this paper, we aim to give a comprehensive review of the field of photonic crystal nanobeam cavity-based sensors. The sensing principles and development of applications, such as refractive index sensing, nanoparticle sensing, optomechanical sensing, and temperature sensing, are summarized and highlighted. From the studies reported, it is demonstrated that photonic crystal nanobeam cavities, which provide excellent light confinement capability, ultra-small size, flexible on-chip design, and easy integration, offer promising platforms for a range of sensing applications.
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