像方扫描技术研究

邓键, 李锐钢, 郑昌盛

邓键, 李锐钢, 郑昌盛. 像方扫描技术研究[J]. 应用光学, 2012, 33(2): 284-287.
引用本文: 邓键, 李锐钢, 郑昌盛. 像方扫描技术研究[J]. 应用光学, 2012, 33(2): 284-287.
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DENG Jian, LI Rui-gang, ZHENG Chang-sheng. Technology of image space scanning[J]. Journal of Applied Optics, 2012, 33(2): 284-287.
Citation: DENG Jian, LI Rui-gang, ZHENG Chang-sheng. Technology of image space scanning[J]. Journal of Applied Optics, 2012, 33(2): 284-287.
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像方扫描技术研究

  • 1.

    西南技术物理研究所,四川 成都 610041;

  • 2.

    长春光学精密机械与物理研究所 中国科学院光学系统先进制造技术重点实验室,吉林 长春 130031

详细信息
    通讯作者:

    邓键（1976-），男，重庆人，高级工程师，博士，主要从事光学系统的设计、装调和检测方面的研究工作。

  • 中图分类号: TN202

Technology of image space scanning

  • 1.

    Southwest Institute of Technical Physics,Cheng Du 610041,China;

  • 2.

    Key Laboratory of Optical System Advanced Manufacturing Technology,Changchun Institute ofOptics,Fine Mechanics and Physics,CAS,Changchun 130031,China

摘要

    摘要
  • 摘要: 基于显微摄影的成像原理，研究了像方扫描以扩大视场的途径，并建立了一个二次成像的设计模型，包括一个大视场的固定前置物镜组和一个运动轨迹为球面的中继透镜组。物镜组所成的一次像面优化了场曲，中继透镜组则根据该场曲进行运动，对一次像面不同区域成像，并采用光学被动消热差以保证不同温度的像质。该模型的相对孔径1∶3，波长3.7 m~4.8 m，焦距90 mm，瞬时凝视视场为4，扫描视场达24，采用7片透镜3个非球面，在全视场范围内具有接近衍射限的像质。
    Abstract: Based on the principle of photomicrography, image space scanning is studied to be as the method to expand the optical system-s field of view (FOV). An optical design model is introduced, which has secondary imaging structure, including a large FOV fixed front objective lens set and a spherical motion relay lens set. The field curvature of the first image plane of the front lens set is optimized, and the motion trochoid of the relay lens set is according to the curve radii. The relay lens set image the different fields of the first imaging plane and get the image space scanning. Optical passive athermaliztion technology is used to ensure the system imaging quality at different temperatures. The model relative aperture is 1∶3, the wavelength is 3.7m~4.8m ,the focal length is 90mm, the instantaneous staring FOV is 4, and the scan FOV is 24. The whole optical system has 7 lenses with 3 asphere surfaces, which is approximate to diffraction limit over the full FOV.
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    • 参考文献(1)
  • ［1］ZHAO Nan, CHANG Jun, SUN Zhihui, et al. Summarize of conformal optics［J］. SPIE,2008, 6624: 66241N1-66241N7.
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    JIAO Min-yin. General conditions for thermal compensation in optical systems［J］. Journal of Applied Optics, 2006, 27(3): 195-197.(in Chinese with an English abstract)
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  • 刊出日期:  2012-03-14

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