In this paper the method using energy constancy principle to design lens with continuous power(LCP) is introduced and the characteristics of the derived phase function of the lens is analyzed.
本文介绍了用能量守恒原理设计连续光焦度透镜的方法并分析其特点，提出三种可行的结构形式，给出了设计实例及模拟结果。
The aberration characteristics of the optical system of a single conic reflector and a two-lens null corrector are discussed.
讨论了由单一二次反射镜和放在其后的两透镜无光焦度校正板组成的光学系统的像差特性。
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