Abstract
Light-induced thermoelastic spectroscopy (LITES) is a promising optical approach for gas sensing, which uses a quartz tuning fork (QTF) as a photothermal detector, instead of a commercial photodetector. Since the QTF has the advantages of low cost, small size, high resonance frequency, high-quality factor (Q-factor), and a wide spectral response range, and the LITES sensor has received extensive attention and obtained great development. This review paper summarizes and discusses the advances of the QTF-based, state-of-the-art LITES gas sensing technique in recent years and presents the development prospects of LITES sensor in the future.
Funder
National Natural Science Foundation of China
Fundamental Research Funds for the Central Universities
NSFC-RS Exchange Programme
Science Fund for Creative Research Groups of the Nature Science Foundation of Hubei
Royal Society International Exchanges 2020 Cost Share of United Kingdom
Science, Technology and Innovation Commission of Shenzhen Municipality
Subject
General Earth and Planetary Sciences
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