The refractive index (nd) of H-ZLaF70GT is 1.90366, and the dispersion coefficient (υd) is 31.32. Through process optimization, the transmittance of the glass is further improved on the basis of H-ZLa...
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The refractive index(nd) of H-PK71 is 1.56907, and the dispersion coefficient(υd) is 71.30. The material is the glass with special dispersion. Comparing to the other products in the same series, it ha...
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The refractive index (nd) of H-ZF56 is 1.85478, and the dispersion coefficient (υd) is 24.80. It has anomalous dispersion characteristics, and has a higher refractive index in the same kind of anomalo...
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