论文标题
可调的自相似于贝塞尔的任意顺序的光束
Tunable self-similar Bessel-like beams of arbitrary order
论文作者
论文摘要
我们预测，任意整数秩序的贝塞尔状光束会表现出可调的自相似行为（在合适的拉伸转换下采用不变的形式）。具体而言，通过在真实空间中的输入平面上进行工程，我们表明可以生成具有空心芯的完全可控半径和在繁殖过程中最大强度的高阶涡旋贝塞尔样光束。另外，使用类似的方法，我们表明还可以生成具有可控束宽度和最大强度的贝塞尔样梁的零序。我们的数值结果与我们的理论预测非常吻合。
We predict that Bessel-like beams of arbitrary integer order can exhibit a tunable self-similar behavior (that take an invariant form under suitable stretching transformations). Specifically, by engineering the amplitude and the phase on the input plane in real space, we show that it is possible to generate higher-order vortex Bessel-like beams with fully controllable radius of the hollow core and maximum intensity during propagation. In addition, using a similar approach, we show that it is also possible to generate zeroth order Bessel-like beams with controllable beam width and maximum intensity. Our numerical results are in excellent agreement with our theoretical predictions.
