Method for computer-aided alignment of complex optical system

Xiaofei Yang; ChangYuan Han; Jingchi Yu

doi:10.1117/12.676512

23 February 2006 Method for computer-aided alignment of complex optical system

Xiaofei Yang, ChangYuan Han, Jingchi Yu

Proceedings Volume 6150, 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 61503X (2006) https://doi.org/10.1117/12.676512
Event: 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies, 2005, Xian, China

Abstract

For making complex optical system meet the design requirement, such as the space camera used in remote sensing and UVX lithophotography, especially for off-axis all-reflecting optical system, alignment technology is so necessary. In this paper, a method is presented. Based on the ideas of linearity instead of non-linearity and difference quotient instead of differential quotient, a mathematical model for computer-aided alignment is proposed. This model included the characteristics of the optical system, wavefront difference of its exit pupil and its misalignment of the misaligned optical system. Then comparing self-compiled software with alignment package of CODE V, as a result, this self-compiled software is much more valid than alignment package of CODE V. For a large aperture, long focal length and off-axis three-mirror optical system, computer-aided alignment is successful. Finally, the wavefront error of the middle field is 0.094 waves RMS and the wavefront error of +0.7 field is 0.106 waves RMS and the wavefront error of -0.7 field is 0.125 waves RMS at π=632.8nm are obtained.

Citation Download Citation

Xiaofei Yang, ChangYuan Han, and Jingchi Yu "Method for computer-aided alignment of complex optical system", Proc. SPIE 6150, 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 61503X (23 February 2006); https://doi.org/10.1117/12.676512

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