The main methods for obtaining gradient optical elements are presented, among which ion-exchange diffusion occupies the dominant place. A new method for obtaining gradient optical media, based on the discovery of anion-halide transfer in solid glasses, is noted. Methods for measuring the profiles of the refractive index distribution implemented in practice are considered as an issue that occupies a special place in the technology of gradient optical elements and is one of the independent scientific problems. It is shown that in a number of cases, due to the size effect, it is advisable to correct the modes of ion-exchange processing empirically.
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? Kogan V. E., Shakhparonova TS New ways to obtain optical fibers with a refractive-reflective cladding from glass with any composition // Glass and Ceram. 2016. V. 73. N 1? 2.P. 6? eight.?
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