Remote detection of high temperature target spectral radiation by large aperture grating spectrometer

Chao Qiu; Hongsheng Sun; Jiapeng Wang; Wanglin Yang; Jidong Du; Xu Zhang

doi:10.1117/12.2627413

27 March 2022 Remote detection of high temperature target spectral radiation by large aperture grating spectrometer

Chao Qiu, Hongsheng Sun, Jiapeng Wang, Wanglin Yang, Jidong Du, Xu Zhang

Proceedings Volume 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications; 12169D2 (2022) https://doi.org/10.1117/12.2627413
Event: Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 2021, Kunming, China

Abstract

In response to the demand for remote detection of high-temperature target spectral radiation, a detection method using a large-aperture grating spectrometer is proposed and a detection system is developed. The detection system is mainly composed of a large aperture Cassegrain optical lens, a 380nm~1000nm grating spectrometer, a1000nm~2450nm grating spectrometer, the long-wave infrared imaging aiming detection components, and the spectroscopic optical components. The detection system is placed in a two-axis turntable and the long-wave infrared imaging targeting detection component is used to aim at a remote high-temperature target. After the target spectral radiation is collected by the large-aperture Cassegrain optical lens, it reaches respectively the 380nm~1000nm grating spectrometer and the 1000nm~2450nm grating spectrometer through the spectroscopic optical components. A standard blackbody of 1000℃ is used to test the performance of the detection system. The test results show that the detection accuracy of spectral radiance is within 5% at most spectral points. The remote high-temperature target spectral radiation detection method proposed in this paper can provide technical support for remote target detection, analysis, and recognition.

Citation Download Citation

Chao Qiu, Hongsheng Sun, Jiapeng Wang, Wanglin Yang, Jidong Du, and Xu Zhang "Remote detection of high temperature target spectral radiation by large aperture grating spectrometer", Proc. SPIE 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 12169D2 (27 March 2022); https://doi.org/10.1117/12.2627413

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KEYWORDS

Spectroscopy

Target detection

Imaging systems

Calibration

Infrared imaging

Spectroscopes

Optical design

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