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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2025.2
- 수록면
- 35 - 42 (8page)
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초록· 키워드
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Various methods are used to verify stray light, with most relying on ray tracing. Accurate stray- light analysis typically requires a large number of rays, resulting in significant time and computational demands. Although numerous studies have aimed to reduce analysis time, challenges persist. This pa- per introduces the corner-departure backward ray-tracing method, an efficient approach within nonse- quential ray-tracing techniques. In backward ray tracing, rays are traced from the detector back toward potential stray-light sources, enabling critical-path identification and effective elimination. Unlike con- ventional methods that uniformly trace rays across the detector, the corner-departure method selectively traces rays from critical points, such as the detector’s corners, thereby reducing the number of rays re- quired while maintaining accuracy. This approach is validated using a long-wavelength-infrared (LWIR) airborne payload in the 7.4–9.4 μm range, reducing analysis time by a factor of 26 while identifying all 11 critical paths as effectively as a conventional method. This research contributes to more efficient and computationally feasible stray-light analysis.
목차
Ⅰ. INTRODUCTION
Ⅱ. METHOD
Ⅲ. ANALYSIS
Ⅳ. RESULT
Ⅴ. DISCUSSION AND CONCLUSION
REFERENCES
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