| 1. | Close - form equation for the transformation of hermit - gaussian beams through a optical system with hard - edged apertures 高斯光束通过硬边光阑光学系统变换的近解析传输公式 |
| 2. | Numerical simulation of the transformation of hermite - gaussian beams through a complicated optical system with multiple hard - edged apertures 高斯光束通过多个硬边光阑复杂光学系统变换的计算模拟 |
| 3. | The hard - edged aperture can be regarded as a special case treated here , while the other apertures can also be dealt with as a hard - edged aperture 硬边光阑的情况可作为其它光阑的特例得到,其它光阑也可视作硬边光阑来处理。 |
| 4. | So communing with himself , huck stepped out and glided along behind the men , cat - like , with bare feet , allowing them to keep just far enough ahead not to be invisible 哈克心里边合计着,边光着脚溜出去,像猫似的跟在那两人后头,离得不远不近,始终保持着能看见他们就行了。 |
| 5. | A simple and effective method is given to successfully simulate circular and different serrate type aperture ' s far - field diffraction and compared with the diffraction of hard - edged circular apertures 摘要采用一种简单有效的方法,模拟了光束经圆形孔径和不同齿形光阑的远场衍射分布,并与经圆孔硬边光阑的衍射作了比较。 |
| 6. | The window function of circular hard - edge apertures is simulated and optimized by the laguerre - gauss truncated series , and applied to study the diffraction of gaussian beams and 0 - order bessel - gaussian beams by the hard - edge aperture 摘要用拉盖尔高斯截断级数模拟了任意半径的圆孔硬边光阑窗口函数,并应用于研究高斯光束和零阶贝塞尔高斯光束通过硬边光阑的衍射。 |
| 7. | The main results achieved in this thesis can be summarized as follows : 1 . by means of the fourier series expansion , an approximate analytical propagation equation of flattened gaussian beams ( fgbs ) passing through an apertured paraxial abcd optical system is derived , and illustrated with numerical examples , when the transmissivity of the aperture is t ( x ) = cos ( x ) 用傅立叶级数展开法研究了平顶高斯光束通过有光阑限制的近轴abcd光学系统的传输特性,导出了光阑透射率为t ( x ) = cos ( x )时的近似解析传输公式,硬边光阑的情况可作为= 0的特例得到。 |
| 8. | Starting from the collins formula , a recurrence equation of hermite - cosine - gaussian ( hcg ) beams propagating through a paraxial abcd system with a hard - edged aperture is derived , from which the analytical propagation expressions for apertured hcg beams of any order can be derived by using the recursive algorithm 从collins公式出发,推导出了厄米?余弦?高斯光束通过有硬边光阑近轴abcd光学系统传输的递推公式。由递推公式,借助迭代算法,得出受光阑限制的任意阶厄米?余弦?高斯光束的解析传输公式。 |