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The cosh-Airy beam is a kind of nondiffracting beam that can be considered as a superposition of two Airy beams with different decay factors and the same propagation trajectory. In this study, we investigate the propagation of a cosh-Airy beam in a quadratic-index inhomogeneous medium and show the periodic phase transition of the cosh-Airy beam, which exhibits a beam transition from the Airy profile...
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