This presentation analyses the azimuthal decomposition of optical modes. Decomposition of azimuthal modes need two steps, namely generation and decomposition. An azimuthally-varying phase (bounded by a ring-slit) placed in the spatial frequency domain produces a higher-order Bessel beam.
Reference:
Dudley, A.L., Litvin, I, Roux, F.S. and Forbes, A. Azimuthal decomposition of optical modes. 57th Annual Conference of the South African Institute of Physics (SAIP2012), Pretoria University, Pretoria, South Africa, 9-13 July 2012
Dudley, A. L., Litvin, I., Roux, F., & Forbes, A. (2012). Azimuthal decomposition of optical modes. SAIP. http://hdl.handle.net/10204/6116
Dudley, Angela L, I Litvin, FS Roux, and A Forbes. "Azimuthal decomposition of optical modes." (2012): http://hdl.handle.net/10204/6116
Dudley AL, Litvin I, Roux F, Forbes A, Azimuthal decomposition of optical modes; SAIP; 2012. http://hdl.handle.net/10204/6116 .
