【摘要】 本文提出了用两个孔径(单环和双环孔径)装置进行激光散斑干涉照相的方法,得到了光强分布比较均匀的衍射晕和较好的杨氏条纹照片.更多还原

【Abstract】 This paper puts forward a method of taking a laser speckle pattern interferential photograph recorded by two apertures (an annular and biannular aperture). It gives more homogeneous diffraction halo of distribution of light intensity and better Young’s fringes image.更多还原