Within recent years, niobium oxide has been widely used as a raw material for lanthanum borate glasses, which are typical optical glasses having high refractive indices and a relatively low value of optical dispersion. These types of glasses have been highly developed in recent decades and are now used extensively for camera lens systems, objective lenses of optical microscope, etc... (AU)
Technical Paper (PDF 185.88 KB)
Desing System
Processes
Technical Paper
Niobium oxide in optical glass manufacture
International Symposium Niobium'81
1981
Ichimura, Takeo
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