SYNTHESIS OF WIDE-FIELD DIFFRACTIVE WAVE-GUIDE LENSES

被引：2
|
作者：
HUTTUNEN, J
TUTUNEN, J
机构：
[1] Helsinki University of Technology, Department of Technical Physics
来源：
OPTICS COMMUNICATIONS | 1994年 / 111卷 / 5-6期
基金：
芬兰科学院;
关键词：
D O I：
10.1016/0030-4018(94)90517-7
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A synthesis algorithm is presented for wide-field diffractive focusing lenses in waveguides. Analytic optimization of the phase transformation is used to widen the angular field, and the efficiency is improved by parametric optimization of the local grating profile. If the effective-index modulation is DELTAn(eff) almost-equal-to 0.1, a curved F:5 singlet in contact with the pupil can achieve a diffraction-limited angular field of approximately +/ 3-degrees, whereas a planar lens in a telecentric configuration can achieve approximately +/- 8-degrees.
引用
收藏
页码：445 / 450
页数：6
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