Cost-effective fork diffraction gratings printed on slide film enable simple laser-pointer generation of orbital angular momentum vortex beams for classroom use.
Generation of optical phase singularities by computer-generated holograms,
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Democratising Optical Orbital Angular Momentum: a Set of Cost-Effective Tools
Cost-effective fork diffraction gratings printed on slide film enable simple laser-pointer generation of orbital angular momentum vortex beams for classroom use.