贝塞尔高斯光束 Bessel-Gaussian beam
零阶贝塞尔-高斯光束 zero-order bessel-gaussian beam
贝塞尔-高斯脉冲光束 bessel-gauss pulsed beams
对无衍射光束———贝塞尔高斯光束通过硬边光阑时的功率损耗作了研究，给出了普适的损耗公式。
The losses Bessel-Gaussian beams, a kind of non-diffracting beam, propagating through a hard aperture are studied, and a general formula is derived.
本文通过计算指出环状分布的光束经透镜后可在焦平面产生适用于激光打孔的贝塞尔·高斯光束，这是一种高效、简单实用的方法。
Our calculations show that the Bessel-Gauss beam can be produced in the focused plane of the ring apertured Gaussian beam, this method is efficient and simple.
使用复解析信号法研究了束宽与频率无关的超短脉冲贝塞尔·高斯光束在自由空间的传输特性。
Using a complex analytical signal representation, the free-space propagation properties of ultrashort pulsed Bessel-Gauss beams whose waist width is independent of frequency are studied.
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