CAJ | 학술논문

与传统曲面复眼结构不同,提出了在曲面基底上设计非均一微透镜阵列的构想.整个透镜阵列呈环状对称分布,沿径向排列的各级透镜其焦距由所处位置决定,与基底到光探测阵列的距离相吻合.根据几何光学成像原理计算了各级透镜的设计参数并通过光线追迹加以验证.仿真结果表明,这种设计可对全视场在光探测阵列上聚焦,解决了传统曲面复眼边缘视场成像质量急剧下降的问题.同时还论证了采用光刻胶热熔法在曲面基底上制作非均一微透镜阵列的可行性.
여전통곡면복안결구불동,제출료재곡면기저상설계비균일미투경진렬적구상.정개투경진렬정배상대칭분포,연경향배렬적각급투경기초거유소처위치결정,여기저도광탐측진렬적거리상문합.근거궤하광학성상원리계산료각급투경적설계삼수병통과광선추적가이험증.방진결과표명,저충설계가대전시장재광탐측진렬상취초,해결료전통곡면복안변연시장성상질량급극하강적문제.동시환론증료채용광각효열용법재곡면기저상제작비균일미투경진렬적가행성.
Different from the conventional spherical compound eye imaging system, a novel optical design structure was proposed that the non-homogeneous microlens array was fabricated on the spherical substrate. The whole array was arranged as symmetrical circle pattern, and the focal length of microlenses arranged along the radius direction was decided by its position and equal to the distance between substrate and photo-detector. According to the imaging theory of geometrical optics, the design parameters of microlens array were computed and verified by ray tracing procedure. From the simulated results, we can get the conclusion that the optimal design structure of single-layer spherical compound eye can focus the whole field of vision on the photo-detector and improve the imaging quality of the edge field of vision obviously. Moreover, the fabrication technology of non-homogeneous microlens array on spherical substrate is discussed.