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从理论上对光阑扩束均匀光源的传输一定距离后的光场分布进行了分析。数值分析了光阑的通光半径、传输距离、光束半径,对光束均匀性的影响,当光阑的通光半径小于光束半径的1/3时,输出光束的均匀性较好。
The distribution of the light field after a certain distance is transmitted theoretically from the uniform light source of the expanding beam of the diaphragm is analyzed. Numerical analysis of the diaphragm through the light radius, transmission distance, beam radius, the beam uniformity, when the diaphragm aperture is less than the beam radius of 1/3, the output beam uniformity is better.