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为了突破元件加工工艺水平对多元件光学系统像质的限制,基于计算机辅助装调,研究了系统中元件装调姿态的优化过程。针对由两个元件组成的光学系统,利用相位屏方法,通过计算机的数值模拟,分析了非中心对称像差的光学元件之间波前像差的互补性。结果显示,经过元件装校姿态的优化调整,系统的光束质量由预期的4.916优化为1.187,显著地提高系统的最终光束质量。分析表明,这种方法可以推广到多元件系统的装调中,能进一步提高在传统计算机辅助装调后的系统光束质量。
In order to break through the limitation of image quality of multi-element optical system, the optimization process of component mounting attitude in the system was studied based on computer-aided tuning. For the optical system composed of two components, the complementarity of the wavefront aberration between the optical elements with non-centrosymmetric aberrations is analyzed by the computer simulation using the phase screen method. The results show that the beam quality of the system is optimized from the expected value of 4.916 to 1.187 after the optimization of the attitude of the components, which significantly improves the final beam quality of the system. The analysis shows that this method can be extended to the multi-component system, which can further improve the beam quality of the traditional computer-aided setup system.