Jiaqing Liu, Shunli Han, Xin Meng, Dexin Hu. Radiometric Calibration Method of 2-14 μm Infrared Spectroradiometer[J]. Acta Optica Sinica, 2019, 39(2): 0212003
- Acta Optica Sinica
- Vol. 39, Issue 2, 0212003 (2019)
Fig. 1. 6364D infrared spectroradiometer
Fig. 2. Principle of spectrum split based on LVF
Fig. 3. Response curve of a sandwich InSb/HgCdTe detector
Fig. 4. System configuration of infrared spectroradiometer
Fig. 5. Experimental setup for radiometric calibration
Fig. 6. Calibration error of two-point method
Fig. 7. System response. (a) At different environment temperatures; (b) at different measured target temperatures
Fig. 8. Radiometric calibration error of sub-region multi-point calibration method
Fig. 9. Radiometric calibration error of sub-region multi-point method and multi-blackbody non-linear fitting method
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Table 1. Specifications of 6364D infrared spectroradiometer
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Table 2. Noise equivalent temperature difference of the infrared spectroradiometer
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