Ningchao Zhang, Juan Ren, Peng Wang, Fusheng Liu. Radiation Spectral Characteristics of Sapphire Under Light-Gas Gun Impact Loading[J]. Acta Optica Sinica, 2018, 38(5): 0530002
- Acta Optica Sinica
- Vol. 38, Issue 5, 0530002 (2018)
Fig. 1. Structure schematic of spectrum measurement system
Fig. 2. Experimental signals from pyrometer at pressure of 48 GPa. (a) λ=809 nm; (b) λ=779 nm; (c) λ=650 nm; (d) λ=533 nm
Fig. 3. (a) Fitted temperature curve and (b) fitting error of sapphire at impact pressure of 48 GPa
Fig. 4. Experimental signal measured by spectrometer at pressure of 48 GPa
Fig. 5. Comparison between radiation temperatures and high pressure melt line
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Table 1. Calibrated spectral radiant luminance of the standard bromine tungsten lamp
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Table 2. Fitted shock pressure and temperatures
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