| 铊玻璃自聚焦透镜边缘折射率分布的改进 |
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| 引用本文： | 周自刚,刘德森,刘晓东.铊玻璃自聚焦透镜边缘折射率分布的改进[J].光子学报,1999,28(10):943-946. |
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| 作者姓名： | 周自刚 刘德森 刘晓东 |
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| 作者单位： | 西南师范大学物理系,重庆,400715 |
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| 摘 要： | 本文用雅明干涉仪测定第一次离子交换后的径向折射率分布,边缘部分与理想分布有极大的偏差。在此基础上并进行了第二步高于交换,测定其边缘分布有进一步改进,同时,第二次成象比第一次有明显的改善。
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| 关 键 词： | 两步离子交换 自聚焦透镜 折射率分布 雅明干涉法 |
| 收稿时间： | 1999-06-25 |
| 修稿时间： | 1999-06-25 |
IMPROVEMENT OF THE EDGE INDEX DISTRIBUTION FOR Tl GLASS SELFOC LENS |
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| Zhou Zigang,Liu Desen,Liu Xiaodong.IMPROVEMENT OF THE EDGE INDEX DISTRIBUTION FOR Tl GLASS SELFOC LENS[J].Acta Photonica Sinica,1999,28(10):943-946. |
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| Authors: | Zhou Zigang Liu Desen Liu Xiaodong |
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| Institution: | Physics Department, South-west Normal University, Chongqing 400715 |
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| Abstract: | In this paper,the radial index distribution in the thallium glass sefloc lens manufactured byone-step ion exchange technique has been measured by Ya Ming interferometer instrument. The errorof the edge part is great between experimental and ideal index distribution with this method and itstechnical conditions constructed, a new way of exchanging ions in two steps has been proposed.Measurement shows that the index distribution of the edge part with this new method has been furtherimproved. And the image als0 is greatly improved. |
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| Keywords: | Selfoc lens Two-step ion-exchange Index distribution Ya Ming interferometer method |
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