Design of optical system for high energy particle detection in nuclear reactor

This paper, a high-energy particle detection optical system is designed to solve the high-energy ion beam in the nuclear reactor magnetic field and bombardment of some regions of ZnS scintillator, the region will emit fluorescence, through fluorescence detection and imaging, so as to analyze the relevant physical characteristics of high-energy particles. The high-energy particle detection optical system includes object surface, imaging group, relay mirror group, protection mirror group, correction mirror group, and detector assembly, spectral range of 400 nm to 550 nm, field angle of 40 degrees, pupil diameter of 10mm, system F number of 4, and total system length of 2085mm. Except for the detector assembly, 13 lenses and 1 protective window were used. The high-energy particle detection optical system designed in this paper has the advantages of easy processing, easy loading and tuning, small lens aperture, and good imaging quality.