| 凝视型长波红外折衍混合光学成像系统设计 |
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| 引用本文： | 张云翠,孙强,卢振武. 凝视型长波红外折衍混合光学成像系统设计[J]. 光子学报, 2007, 36(7): 1257-1259 |
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| 作者姓名： | 张云翠 孙强 卢振武 |
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| 作者单位： | 1. 中国科学院长春光学精密机械与物理研究所,长春,130033;中国科学院研究生院,北京,100039
2. 中国科学院长春光学精密机械与物理研究所,长春,130033 |
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| 基金项目： | 国家自然科学基金 , Collaboration Project Foundation of Yunnan Province with Chinese Academy of Sciences and Universities , the Foundation of State Key Laboratory of Applied Optics |
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| 摘 要： | 设计了一套折衍混合凝视红外热成像光学系统.该系统工作波段为8~12 μm, F数为1,全视场达12°, 总长140 mm,两个透镜均采用锗材料。衍射器件制作在第二片透镜的凸面上，可以采用金刚石车削技术进行加工．该系统成像质量接近衍射限并且相对折射系统更好地校正了色差.
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| 关 键 词： | 红外光学 凝视成像 衍射光学器件 |
| 文章编号： | 1004-4213（2007）07-1257-3 |
| 收稿时间： | 2006-01-16 |
| 修稿时间： | 2006-01-16 |
Design of Diffractive/Refractive LWIR Staring Imaging system |
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| ZHANG Yun-cui,SUN Qiang,LU Zhen-wu. Design of Diffractive/Refractive LWIR Staring Imaging system[J]. Acta Photonica Sinica, 2007, 36(7): 1257-1259 |
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| Authors: | ZHANG Yun-cui SUN Qiang LU Zhen-wu |
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| Affiliation: | 1 Changchun Institute of Optics, Fine Mechanics and Physics, Changchun 130033 ,China;2 Graduate University of Chinese Academy of Sciences,Beijing 100039,China |
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| Abstract: | A diffractive/refractive long wavelength infrared (LWIR) staring imaging system is designed to meet the commercial requirements. In this system the F-number is 1,waveband is 8～12 μm ,field of view is 12°, total track is 140 mm and the materials of the total two lenses are Germanium. The diffractive optical element (DOE) is fabricated on the convex of the second lens,and the DOE can be fabricated by diamond turning technology. The imaging quality is analysed that the Modulation Transfer Function (MTF) approaches the dilfraction limit and the chromatic aberration is better corrected compared with the refractive system. |
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| Keywords: | Infrared optics Staring imaging Diffractive optical element |
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