Kim Y S, Kim B Y, Lee Y W
Agency for Defence Development, Taejon, South Korea.
Appl Opt. 2001 Jul 1;40(19):3215-9. doi: 10.1364/ao.40.003215.
Null lenses are designed for testing the oblate elliptical surface that is the third mirror of the off-axis three-mirror anastigmatic camera used for remote sensing. Modifying the conventional autostigmatic and autocollimation types of null lenses yields a mixed-type design that has a small annular flat mirror and high sensitivity. Detailed analyses of the sensitivity of the mixed-type null lens system with changes in each surface parameter are described.
零透镜是为测试扁椭圆面而设计的，该扁椭圆面是用于遥感的离轴三镜消像散相机的第三面镜。对传统的自准直和自聚焦型零透镜进行改进，得到了一种具有小型环形平面镜且灵敏度高的混合型设计。文中描述了对混合型零透镜系统灵敏度随各表面参数变化的详细分析。
