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논문 기본 정보

자료유형
학술저널
저자정보
Huan Liu (Changchun University of Science and Technology) Hao Sun (Changchun University of Science and Technology) Chunyan Wang (Changchun University of Science and Technology)
저널정보
한국광학회 Current Optics and Photonics Current Optics and Photonics Vol.5 No.2
발행연도
2021.4
수록면
164 - 172 (9page)

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초록· 키워드

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In this paper a catadioptric laser-irradiation-precision test system is designed, to achieve a high-precision laser-irradiation-accuracy test. In this system, we adopt the method of imaging the entire target surface at a certain distance to realize the measurement of laser-irradiation precision. The method possesses the advantages of convenient operation, high sensitivity, and good stability. To meet the test accuracy requirement of 100 mm/km (0.01%), the coma, field curvature, and distortion over the entire field of view should be eliminated from the optical system’s design. Taking into account the whole length of the tube and the influence of stray light on the structure type, a catadioptric system with a hood added near the primary imaging surface is designed. After optimization using the ZEMAX software, the modulation transfer function (MTF) of the designed optical system is 0.6 at 30 lp/mm, the full-field-of-view distortion is better than 0.18%, and the energy concentration in the 10-μm-radius surrounding circle reaches about 90%. The illumination-accuracy test results show that the measurement accuracy of the radiation hit rate is better than 50 mm when the test distance is 1 km, which is better than the requirement of 100 mm/km for the laser-irradiation-accuracy test.

목차

Ⅰ. INTRODUCTION
Ⅱ. SYSTEM DESIGN
Ⅲ. PRINCIPLE OF HIT-ACCURACY TEST AND ERROR ANALYSIS
Ⅳ. EQUIPMENT CALIBRATION AND TEST RESULTS
Ⅴ. CONCLUSIONS
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