LOOKING THROUGH WALLS AND AROUND CORNERS

被引:242
作者
FREUND, I
机构
[1] Department of Physics, Bar-Ilan University, Ramat-Gan
来源
PHYSICA A | 1990年 / 168卷 / 01期
关键词
D O I
10.1016/0378-4371(90)90357-X
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
It is shown theoretically that under appropriate conditions a visually opaque, multiply scattering optical barrier can be made to serve as a thin lens which produces a near perfect, real, paraxial image of objects lying behind the barrier. Preliminary experimental results are described which verify the validity of the underlying assumptions. The barrier can also be made to serve as various other types of optical instruments, such as mirrors, polarizers, optical Fourier analyzers, theodolites, etc. Thus it is now clear that multiply scattering media should no longer be considered barriers to optical propagation, but are more properly to be regarded as potential high-precision optical instruments. © 1990.
引用
收藏
页码:49 / 65
页数:17
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