光学学报, 2018, 38 (11): 1122002, 网络出版: 2019-05-09   

宽波段光学系统三级光谱的校正方法 下载: 675次

Calibration Method of Tertiary Spectrum for Broadband Optical Systems
作者单位
长春理工大学光电工程学院, 吉林 长春 130022
摘要
提出了一种子波段缝合光学玻璃组合的选择方法,通过最小二乘法求解复消色差方程,得到了能有效校正三级光谱的最优化玻璃组合。基于该组合设计了一个宽波段长焦距光学系统,该系统的波长范围为0.45~1.014 μm,焦距为400 mm,F数为6,全视场角为10°。系统共有3种光学玻璃,7片球面透镜,调制传递函数(MTF)接近衍射极限。研究结果表明,所提方法可以在复消色差光学系统中实现三级光谱残差的校正。
Abstract
A selection method for the sub-band stitching optical glass combination is proposed. The apochromatic equation is solved by the least square method, and the optimal glass combination which can effectively correct the tertiary spectrum is obtained. A broadband long-focus optical system is designed based on this optical glass combination with a wavelength range of 0.45-1.014 μm, a focal length of 400 mm, an F number of 6, and a full field of view of 10°. This system consists of three kinds of optical glasses and seven spherical lenses, and the modulation transfer function (MTF) of this system is closed to the diffraction limit. The research results show that the calibration of the tertiary-spectral residuals in the apochromatic optical system can be achieved with this proposed method.

王靖锋, 崔庆丰. 宽波段光学系统三级光谱的校正方法[J]. 光学学报, 2018, 38(11): 1122002. Jingfeng Wang, Qingfeng Cui. Calibration Method of Tertiary Spectrum for Broadband Optical Systems[J]. Acta Optica Sinica, 2018, 38(11): 1122002.

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