Debye representation of dispersive focused waves.
Debye representation of dispersive focused waves.
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色散聚焦波的德拜表示。
DOI：
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发表时间：
2006
影响因子：
1.9
通讯作者：
C. Zapata
中科院分区：
文献类型：
--
作者：
C. Zapata
我们报道了一种基于矩阵的衍射积分，它计算了近轴区域中任何衍射限制轴对称复杂系统的焦场。这个绕射公式是适用于宽带问题的德拜积分的推广。菲涅耳数被重新表述，以保证当该参数大大超过单位时，焦区完全在德拜近似的有效区域内。对几个例子进行了详细分析，其中一个例子展示了空间色散的焦平面内补偿。这种简单的形式为分析和设计具有任意角度色散的聚焦光束打开了大门。
We report a matrix-based diffraction integral that evaluates the focal field of any diffraction-limited axisymmetric complex system in the paraxial regime. This diffraction formula is a generalization of the Debye integral, here accommodated to broadband problems. The Fresnel number is reformulated to guarantee that the focal region is entirely within the region of validity of the Debye approximation when this parameter largely exceeds unity. Several examples are examined in detail, one of them exhibiting in-focal-plane compensation of the spatial dispersion. This simple formalism opens the door for the analysis and design of focused beams with arbitrary angular dispersion.
影响因子：
3.6
作者：
Zeng, SQ;Lv, X;Luo, QM
通讯作者：
Luo, QM