| 用反射投影法观察和测量透镜子午焦线和弧矢焦线以及像散差 |
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| 引用本文： | 唐志列,黄佐华,陈更生.用反射投影法观察和测量透镜子午焦线和弧矢焦线以及像散差[J].华南师范大学学报(自然科学版),2000,0(3):1-109. |
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| 作者姓名： | 唐志列 黄佐华 陈更生 |
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| 作者单位： | 华南师范大学物理学系,广州,510631 |
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| 摘 要： | 介绍一种观察和测量透镜子午焦线和弧矢焦线以及像散差的新方法，这种方法可以将透镜的子午焦线和弧矢焦线放大并直接投射到几米到十几米外的演示屏幕上，而且可以准确测量出透镜的像散差，同时还可以演示像散光束的传播规律，生动直观，效果很好。
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| 关 键 词： | 像散差 子午焦线 弧矢焦线 反射投影 |
| 修稿时间： | 2000-05-18 |
REFLECTING PROJECTION METHOD FOR OBSERVING AND MEASURING THE TANGENTIAL FOCAL LINE AND SAGITTAL FOCAL LINE AND ASTIGMATISM ABERRATION OF LENS |
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| TANG Zhi-lie,HUNAG Zhuo-hua,CHEN Geng-sheng.REFLECTING PROJECTION METHOD FOR OBSERVING AND MEASURING THE TANGENTIAL FOCAL LINE AND SAGITTAL FOCAL LINE AND ASTIGMATISM ABERRATION OF LENS[J].Journal of South China Normal University(Natural Science Edition),2000,0(3):1-109. |
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| Authors: | TANG Zhi-lie HUNAG Zhuo-hua CHEN Geng-sheng |
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| Abstract: | A new method so called reflecting projection method is used to observe and measure the tangential focal line, sagittal focal line and astigmatism aberration of lens. With this method, the tangential focal line and sagittal focal line of lens can be amplified and displayed on the screen, which is more easy to be observed, and the astigmatism aberration of lens can be more accurate to measure. Moreover the transmission principle of astigmatism beam can be displayed. |
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| Keywords: | astigmatism aberration tangential focal line sagittal facal line |
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