We expect to use an op-tical element to replace the whole optical system as a compact solution.We also compare the results with the system which is constructed by geo-metrical optics model.

• 目标为使用绕射元件达到长条状光束和均化能量的效果，预期使用单一元件取代整个光学系统达到简化系统的目的，同时也与几何光学所建构之系统进行比较与效能评估。