???Schott N-BALF4
From Schott Optical Glass Catalogue of August 2010
?? ??Schott N-BALF4??? ? ?1.57731?0???. ??? ?? ??? ? ??? ?????. ??? ????? ? ?? ?? '??'? ???? ?? ??? ??? ? ????.
Refractive Index Reference - Generated using Sellmeier dispersion model with coefficents listed in Schott Glass Catalogue of August 2010
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