This work was supported by the National Natural Science Foundation of China(Grant No.62271101);the Fundamental Research Funds for Central Universities(Grant No.DUT21ZD212).
In this paper,a cost-effective and miniaturized instrument is proposed,which is based on a tunable modulated grating Y-branch(MG-Y)laser for rapid temperature measurement using a Fabry-Perot interferometer(FPI)sensor....