激光多焦点阵列以兼具更高的光场操控自由度和焦斑单元高空间分辨率的特点，被广泛应用在光学诱捕以及飞秒激光微纳制造等领域。然而由于阵列中焦斑的纵向分辨率弱于横向分辨率，在激光加工应用中限制了其对各向同性结构的加工能力。因此，本文提出一种基于柱矢量光调控生成纵向超分辨准球形多焦点阵列的方法。利用对柱矢量光的两组基径向偏振光和角向偏振光分别进行聚焦调控，结合环形衰减调制可形成纵向超分辨焦斑，再将两种偏振光场以适当的振幅比例在焦区叠加，从而合成准球形多焦点阵列。实验结果表明，10×10的多焦点阵列中各焦斑尺寸均一，具有近球形光强分布。其中，阵列中所有焦点的纵向半高全宽的平均值为0.76λ、标准差为0.005λ，横向半高全宽的平均值为0.76λ、标准差为0.019λ。该具有高尺寸均一性的准球形多焦点阵列可为激光微纳加工精准制备微纳器件提供新的途径。

Light beams carrying orbital angular momentum (OAM) have inspired various advanced applications, and such abundant practical applications in turn demand complex generation and manipulation of optical vortices. Here, we propose a multifocal graphene vortex generator, which can produce broadband angular momentum cascade containing continuous integer non-diffracting vortex modes. Our device naturally embodies a continuous spiral slit vortex generator and a zone plate, which enables the generation of high-quality continuous vortex modes with deep depths of foci. Meanwhile, the generated vortex modes can be simultaneously tuned through incident wavelength and position of the focal plane. The elegant structure of the device largely improves the design efficiency and can be fabricated by laser nanofabrication in a single step. Moreover, the outstanding property of graphene may enable new possibilities in enormous practical applications, even in some harsh environments, such as aerospace.