| 题名: | Experiment and analysis of computer generated hologram for testing aspheric surface |
| 作者: | Li, Shijie1,2; Chen, Qiang1; Wu, Fan1
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| 出版日期: | 2014
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| 会议名称: | Proceedings of SPIE: 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment
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| 会议日期: | 2014
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| 学科分类: | Aspherics - Electron holography - Holograms - Manufacture - Optical testing
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| DOI: | 10.1117/12.2070684
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| 通讯作者: | Li, Shijie
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| 中文摘要: | When testing aspheric surface by computer generated hologram (CGH), there are some engineering problems in experiments. Within a lot of experiments, some unknown conditions appeared, and we analyzed two of them in detail and simulated them in Zemax. The unwanted diffraction orders maybe bring ghost image, and ring source is a simple method to eliminate it. The parallelism error of CGH substrate will bring a non-rotational symmetric error in test result, which is shown as coma. The size of the coma is related by parallelism error and the degree of the coma is related by the angle compared with the origin position. And a rotation method was presented to know the influence of parallelism error. After that, the projection distortion is expounded in detail and distortion calibration is successful to guide to enhance the precision of aspheric surface. These analysis results are very useful in practical engineering applications. © 2014 SPIE. |
| 英文摘要: | When testing aspheric surface by computer generated hologram (CGH), there are some engineering problems in experiments. Within a lot of experiments, some unknown conditions appeared, and we analyzed two of them in detail and simulated them in Zemax. The unwanted diffraction orders maybe bring ghost image, and ring source is a simple method to eliminate it. The parallelism error of CGH substrate will bring a non-rotational symmetric error in test result, which is shown as coma. The size of the coma is related by parallelism error and the degree of the coma is related by the angle compared with the origin position. And a rotation method was presented to know the influence of parallelism error. After that, the projection distortion is expounded in detail and distortion calibration is successful to guide to enhance the precision of aspheric surface. These analysis results are very useful in practical engineering applications. © 2014 SPIE. |
| 收录类别: | Ei
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| 语种: | 英语
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| 卷号: | 9282
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| ISSN号: | 0277786X
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| 文章类型: | 会议论文
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| 页码: | 928215
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| Citation statistics: |
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| 内容类型: | 会议论文
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| URI标识: | http://ir.ioe.ac.cn/handle/181551/7619
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| Appears in Collections: | 先光中心_会议论文
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| 2014-2129.pdf（1159KB） | 会议论文 | -- | 限制开放 | | View
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作者单位: | 1. Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, China
2. University of Chinese Academy of Sciences, Beijing, China
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| Recommended Citation: | |
Li, Shijie,Chen, Qiang,Wu, Fan. Experiment and analysis of computer generated hologram for testing aspheric surface[C]. 见:Proceedings of SPIE: 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment. 2014.
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