Mengting DAI, Tao GENG. Free space propagation characteristics of perfect vortex beam[J]. Optical Instruments, 2022, 44(5): 69
- Optical Instruments
- Vol. 44, Issue 5, 69 (2022)
Fig. 1. Experimental light path for generating PVB
Fig. 2. The normalized light intensity and phase distribution of PVBs with different topological chargesl with the parameter
and
unchanged
参数
，
保持不变，拓扑荷数l 不同的PVB的光强和相位分布
Fig. 3. The normalized radial intensity distribution calculated by equation（4）and equation（6） with
and
，
时，式（4）和式（6）计算的归一化径向光强分布
Fig. 4. The relationship between
and
of PVB with different topological loads when
时，不同拓扑荷数PVB的
与
的变化关系
Fig. 5. Radial light intensity distribution of PVB with parameters
,
and
on different sections
参数
，
，
的PVB在不同截面上的径向光强分布
Fig. 6. The ratio of the back ring width W z to the initial face ring width W 0 at
for PVB with different parameters
不同参数的PVB在
处的环后环宽度
与初始面环宽度
的比值
Fig. 7. The relationship between the propagation distance z and
of PVB with different topological chargesl when
and
，
时，不同拓扑荷数l 的PVB的传播距离z 与
的关系
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