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- Based on Huygens-Fresnel diffraction integral theory, the propagation properties of Bessel beam were studied in this paper. 论文中,我们基于惠更斯-菲涅耳衍射积分理论研究了由轴棱锥产生的贝塞尔光束的传输特性,并且通过几何光学解析无衍射光束的聚焦特性。
- Abstract: Based on the diffraction integral theory, the quasi-focused characteristics of a laser beam with waviness modulation have been studied theoretically and numerically in the paper. 摘 要: 采用光波的衍射积分理论,对具有波纹调制激光束的准聚焦特性进行了理论分析。
- Diffraction integral theory 衍射积分理论
- A Collins.Lens-systems diffraction integral written in terms of matrixoptics[J].JOSA,1970,60:1168. 洪熙春;黄维刚;王绍民.;失调光学系统的衍射积分公式[J]
- We must integrate theory with practice. 我们必须把理论与实际结合起来。
- We should integrated theory with practice. 我们必须把理论与实践结合起来。
- Using convolution and fast Fourier transform(FFT) algorithm to calculate diffraction integral,the CGH is reconstructed by digital focus method. 通过卷积和快速傅立叶变换 (FFT)的方法计算衍射积分 ,以数字聚焦的方法进行再现。
- It is necessary to integrate theory with practice. 理论联系实际是重要的。
- When the present generally used Kirchhoff diffraction integral formula faces difficulties of limited condition,the former viewpoint is more accurate. 当目前通用的基耳霍夫衍射积分公式因限制条件不满足而碰到问题时,则以前种观点分析为准。
- Based on the nonparaxial vector Rayleigh-Sommerfeld far-field diffraction integral formula, a vector expression for describing the far field of a semiconductor laser is proposed. 研究发现:在傍轴区域标量表达式不会引起太大的误差;
- We should, most of all, integrate theory with practice. 我们尤其应该把理论与实践结合起来。
- By using the theory of diffracting integral, the optical field distribution of plane waves passing through an axicon is derived. 利用衍射积分理论,导出平面波通过轴棱锥后的光场分布。
- We should,most of all,integrate theory with practice. 我们尤其应该把理论与实践结合起来。
- He developed an integral theory on the type of party to be built and its guiding ideology and style of work. 毛泽东同志对于建立一个什么样的党,党的指导思想是什么,党的作风是什么,都有完整的一套。
- Further more, by use of a suitable integral transformation and the finite-part integral theory, a numer... 通过适当的积分变换,用有限部积分原理处理超奇异积分,建立该问题的相应数值算法。
- Based on the Fresnel diffraction integral, the analytical expression for the field distribution of converging spherical waves passing through an annular aperture is derived and some special cases are discussed. 摘要基于菲涅耳衍射积分公式,推导出了会聚球面波通过环形光阑后场分布的解析公式,并讨论了一些特殊情况。
- The Collins formula (1970) contacts the diffract integral of optical system complex with ABCD matrix and provides a mathematics tool for studying laser beams passing through paraxial ABCD optical system. 1970年Collins将复杂光学系统的衍射积分与ABCD矩阵元联系起来,推导出了Collins公式,为研究光束通过近轴ABCD光学系统的传输与变换提供了一个有效的工具。
- Propagation properties of Hermite-Gaussian beams through a misaligned first-order ABCD optical systems are studied using the generalized Huygens-Fresnel diffraction integral, augmented matrix and Wigner distribution function methods. 使用广义惠更斯 菲涅耳衍射积分 ,增广矩阵和Wigner分布函数方法 ,研究了厄米 高斯光束通过失调一阶ABCD光学系统的传输特性。
- Propagation properties of high-order Bessel-Gaussian beam through a misaligned first-order ABCD system have been studied by using the generalized Huygens-Fresnel diffraction integral and augmented matrix. 使用广义惠更斯-菲涅耳衍射积分和增广矩阵,研究了Bessel-Gaussian光束通过失调一阶ABCD系统的传输特性。
- Based on the general Huygens-Fresnel diffraction integral formula, the focal switch effect of Hermite-cosine-Gaussian beams passing through an astigmatic lens is investigated in detail. 应用惠更斯-菲涅耳衍射积分公式,研究了厄米-余弦-高斯光束通过像散透镜后的焦开关现象。