Research on high temperature field detection method based on energy spectrum model

Xuanda Liu; Xiaojian Hao; Bing Xue

doi:10.1117/12.2575744

10 October 2020 Research on high temperature field detection method based on energy spectrum model

Xuanda Liu, Xiaojian Hao, Bing Xue

Proceedings Volume 11549, Advanced Optical Imaging Technologies III; 115491Q (2020) https://doi.org/10.1117/12.2575744
Event: SPIE/COS Photonics Asia, 2020, Online Only

Conference Poster

Abstract

The non-contact temperature measurement method has been widely used in the field of temperature measurement. Based on element energy spectrum excitation and Laser induced breakdown spectroscopy (LIBS) mechanism, through the analysis of the intrinsic physical properties of the object under test, the excitation characteristic spectrum of heated internal elements in high temperature field was explored, in order to select effective detection wavelength of non-contact detection module, and designed a narrow-band filter module to compress the detection band. The accuracy of optical detection model can be improved. By preparing and analyzing samples of various elements, K and Cu were selected as external doping elements, the characteristic wavelength of K and Cu can be used as an effective detection wavelength, the CMOS camera was used to detect the burner flame under the different wavelengths and obtained the flame image. The experimental results validate the feasibility of the method.

Conference Presentation

Citation Download Citation

Xuanda Liu, Xiaojian Hao, and Bing Xue "Research on high temperature field detection method based on energy spectrum model", Proc. SPIE 11549, Advanced Optical Imaging Technologies III, 115491Q (10 October 2020); https://doi.org/10.1117/12.2575744

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