First order design theory and applications of reversal parabolic gradient-index element
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Graphical Abstract
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Abstract
Based on geometrical optics and beam optics,the first-order design theory of the reversal parabolic gradient-index rod lens used as the imaging elements and laser beam transformation elements(e. g laser collimators,focusing lens,laser diode-fiber coupler)is established systematically in this paper by using matrix optics.
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