Tilted bilayer membranes as simple transmission quarter-wave retardation plates

被引:9
作者
Azzam, RMA [1 ]
Mahmoud, FA
机构
[1] Univ New Orleans, Dept Elect Engn, New Orleans, LA 70148 USA
[2] Adaptec Inc, Milpitas, CA 95035 USA
来源
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 2001年 / 18卷 / 02期
关键词
D O I
10.1364/JOSAA.18.000421
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A tilted bilayer membrane, which consists of two thin films of transparent optically isotropic materials of different refractive indices, can function as a transmission quarter-wave retarder (QWR) at a high angle of incidence. A specific design using a cryolite-Si membrane in the infrared is presented, and its tolerances to small shifts of wavelength, incidence angle, and film thickness errors are discussed. Some designs provide a dual QWR in transmission and reflection. Such devices provide simple linear-to-circular land circular-to-linear) polarization transformers. Bilayer eighth-wave retarders without diattenuation are also introduced. (C) 2001 Optical Society of America OCIS codes: 120.2130, 230.0230, 240.0310, 260.5430.
引用
收藏
页码:421 / 425
页数:5
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