Optical transfer function of an optical system with a vortex phase mask in the presence of primary aberrations |
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Authors: | Rakesh Kumar Singh P. Senthilkumaran |
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Affiliation: | Department of Physics, Indian Institute of Technology Delhi, New Delhi 110016, India |
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Abstract: | The impact of primary aberrations on the optical transfer function of an optical system with a vortex phase mask has been investigated in detail. The optical transfer function of such a system becomes negative in a certain frequency range even in the absence of aberrations, a feature different from the case of an optical system in which center of the point spread function is bright. |
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Keywords: | Vortex Aberrations Optical transfer function |
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