Abstract
In order to understand luminous efficiency of the visible wavelength and the infrared wavelength range generated by hypervelocity impact natural dolomite plate, experimental measurement of the light flash created by hypervelocity impact natural dolomite plate were performed in the visible wavelength range by using the optical transient pyrometer measurement system and two-stage light gas gun loading system at the different impact velocity and the projectile incident angles of 45° and 60° (with the angle along the target plane), respectively. Based on the Planck's blackbody continuous radiation law in the visible wavelength range, luminous efficiency extrapolate to infrared wavelength range by combining with Matlab computer programming, the calculated results of the luminous efficiency showed that the luminous efficiency of the light flash created by hypervelocity impact natural dolomite plate in the infrared wavelength range was approximately 1∼1.5 times in the visible wavelength range.
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