| 一种校正三级球差的二元全息图投影显示屏幕系统 |
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| 引用本文： | 徐昆贤. 一种校正三级球差的二元全息图投影显示屏幕系统[J]. 中国激光, 1981, 8(12): 26-30 |
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| 作者姓名： | 徐昆贤 |
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| 作者单位： | 上海市激光技术研究所 |
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| 摘 要： | 本文使用点源发散光束记录全息屏幕,在记录时不必使用大孔径光学系统,经理论计算表明,使用这种二元全息图能达到消三级球差的目的,因此提高了屏幕系统的成象分辨率.
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| 收稿时间： | 1981-01-23 |
A two-element holographic projection display screen for correction of the third-order spherical aberration |
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| Abstract: | Divergent beams from point source have been used for recording of holographic screen. As a consequence, large-aperture optics necessary in recording such screen can be avoided. Theoretical computations have proved that it is possible to eliminate the third-order spherical aberration by using two-element holograms and the imaging resolution of the screen system has been improved. |
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