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A method for producing a fluorophosphate glass having a refractive index n of deep e greater than 1,57, a down - value wye deep e less than 70 and a relatively high positive anomalous partial dispersion
A method for producing a fluorophosphate glass having a refractive index n of deep e greater than 1,57, a down - value wye deep e less than 70 and a relatively high positive anomalous partial dispersion
