高斯光束的傅里叶变换

The Fourier Transform of Gaussian Beam

利用傅里叶变换的方法研究高斯光束经过圆孔衍射后的光场分布,基于光学衍射理论探究了高斯光束傅里叶变换的光学实现,得出高斯光束的准确的傅里叶变换可通过圆孔夫琅禾费衍射的光学系统来实现,并通过计算机模拟实验验证了结论的正确性.

The light field distribution of Gaussian beams through the circular aperture diffraction is studied by Fourier transform method. Based on the optical diffraction theory the optical implementation of Fourier transform in the Gaussian beam is explored. the result shows that the accurate Fourier transform of Gaussian beam can be implemented by the optical system,and this conclusion is validated by computer simulations.