DESIGN OF INFRARED HYBRID REFRACTIVE DIFFRACTIVE LENSES

被引:66
|
作者
WOOD, AP
机构
[1] Precision Optical Engineering, Hitchin, SG4 OTP
来源
APPLIED OPTICS | 1992年 / 31卷 / 13期
关键词
D O I
10.1364/AO.31.002253
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Hybrid refractive-diffractive elements offer a similar level of aberration control to the conventional doublet with approximately half the volume of material. The design principles of infrared elements are discussed. It is shown that, in order to match the performance of the conventional doublet, a general meniscus hybrid with an aspheric surface is required. The potential advantages are illustrated to good effect by a series of design examples, including a Petzval objective for the 3-5-mu-m band.
引用
收藏
页码:2253 / 2258
页数:6
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