| 用于液晶可调谐滤光片型多光谱成像仪的中继成像系统设计 |
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| 引用本文： | 付强,黄旻,景娟娟,相里斌. 用于液晶可调谐滤光片型多光谱成像仪的中继成像系统设计[J]. 光学学报, 2011, 0(10) |
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| 作者姓名： | 付强 黄旻 景娟娟 相里斌 |
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| 作者单位： | 中国科学院西安光学精密机械研究所;中国科学院研究生院;中国科学院光电研究院; |
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| 基金项目： | 国家963计划(2009CB724005)资助课题 |
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| 摘 要： | 液晶可调谐滤光片(LCTF)是多光谱成像中一种高效的分光元件,但其物理尺寸超出了一般商业镜头的法兰距,很难直接与商业镜头及工业相机结合进行多光谱成像。设计了一种工作在单位放大率下的中继成像系统,用以适应它们的接口关系。其工作波段为400～720nm,工作F数为4.5,利用完全对称的结构,自动校正彗差、畸变和垂轴色差,设计结果满足多光谱成像的使用要求。该系统结构紧凑,生产成本低,适用于液晶可调谐滤光片型便携式多光谱成像仪的模块化设计。
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| 关 键 词： | 光学设计 中继成像系统 像差平衡 多光谱成像 液晶可调谐滤光片 |
Relay Lens Design for an LCTF Multi-Spectral Imager |
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| Fu Qiang, Huang Min Jing Juanjuan, Xiangli Bin. Relay Lens Design for an LCTF Multi-Spectral Imager[J]. Acta Optica Sinica, 2011, 0(10) |
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| Authors: | Fu Qiang Huang Min Jing Juanjuan Xiangli Bin |
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| Affiliation: | Fu Qiang1,2 Huang Min3 Jing Juanjuan1,2 Xiangli Bin3 |
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| Abstract: | Liquid crystal tunable filter(LCTF) is a powerful dispersive element in multi-spectral imaging.Its physical size,however,exceeds the flange focal distance of general commercial off-the-shelf photographic lenses,which makes it difficult to combine with commercial lenses and cameras directly for multi-spectral imaging applications.A relay lens design working at unit magnification is proposed to accommodate the interface.The spectral range is from 400 nm to 720 nm,and the working F number is 4.5.With the symme... |
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| Keywords: | optical design relay lens aberration balance multi-spectral imaging liquid crystal tunable filter(LCTF) |
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