Propagation dynamics of off-axis noncanonical vortices in a collimated Gaussian beam<xref rid="cpb_28_3_034205fn1" ref-type="fn">*</xref><fn id="cpb_28_3_034205fn1"><label>*</label><p>Project supported by the Fundamental Research Funds for the Central Universities, China (Grant No. 2017B14914), China Postdoctoral Science Foundation (Grant No. 2016M601586), and the National Natural Science Foundation of China (Grant Nos. 11874140 and 11404092).</p></fn>

Propagation dynamics of off-axis noncanonical vortices in a collimated Gaussian beam**

Project supported by the Fundamental Research Funds for the Central Universities, China (Grant No. 2017B14914), China Postdoctoral Science Foundation (Grant No. 2016M601586), and the National Natural Science Foundation of China (Grant Nos. 11874140 and 11404092).

Yin Cheng^{1, 2, †}, Kan Xuefen¹, Dai Hailang², Shan Minglei¹, Han Qingbang¹, Cao Zhuangqi²

The x_max/y_max of optical vortices in a symmetrical Gaussian beam is determined solely by the amplitude of parameter Ã. The parameters in arbitrary units are (x_1,0,y_1,0) = (0,0.8), Ã = 1.5e^iϕ_A, and w₀ = 1.