| 摘要 |
A method and system for generating holographic diffraction patterns is disclosed. The method includes the steps of defining at least one geometrical shape; generating at least one line segment to represent the at least one geometrical shape; calculating a line diffraction pattern on a hologram plane, including calculating the Fresnel diffraction equation for an impulse representing the at least one line segment with a line width control term and a line length control term; and adding vectorially, where there are two or more line segments, the line diffraction patterns to form the holographic diffraction pattern. The method enables generation of two and three-dimensional shapes through the use of the line width and line length control terms and identifying where any lines cross so that the diffraction pattern can be suitably corrected. |
