We investigate disclinations in the orientation of space-variant polarization patterns produced by collinear non-factorizable superpositions of high-order spatial modes and polarization. Asymmetric disclination patterns were formed by superpositions of spatial modes with asymmetric optical vortices. They give rise to monstar patterns of high order that can have a negative or positive disclination index. This has led to an examination of what constitutes a monstar. We present theoretical as well as experimental results.
Behzad Khajavi and Enrique J. Galvez, "Monstar disclinations in high-order singular optical beams (Conference Presentation)," Proc. SPIE 10120, Complex Light and Optical Forces XI, 1012011 (Presented at SPIE OPTO: February 02, 2017; Published: 28 April 2017); https://doi.org/10.1117/12.2253236.5397967374001.
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