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本文设计了一个简单的光电系统,测量了不同尺寸的双环光阑的光学传递函数,从中选出了最佳光阑,提高了散斑图衍射晕的质量,也避免了复杂的计算。计算和照片验证了测量的可靠性。
In this paper, a simple optoelectronic system is designed. The optical transfer function of the birefringent rings with different sizes is measured. The optimal aperture is selected to improve the quality of the speckle diffraction halo and to avoid complicated calculations. Calculations and photographs verify the reliability of the measurements.